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In this section:

Table of Contents
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Additional pages:

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Overview

The Use the Packet Service Profile screen enables you to create or edit a Packet Service Profile. Each Packet Service Profile is configured for a pair of gateways and includes entries for up to four audio/video encoding methods. The pair of gateways can be originating and destination gateways in the same gateway group, or can be originating and destination gateways in an inter-gateway group.

Excerpt Include
Supported Codecs and Transcoding
Supported Codecs and Transcoding
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For egress call legs over IP trunk groups, you can use the Trunk Group screen to assign a packet service profile to an egress IP trunk group.

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Transparency_Profile_Note
Transparency_Profile_Note

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PageWithExcerptPacket Service Profile - CLI

Granular Control of HD Codec Offer or Answer

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PageWithExcerptPacket Service Profile - CLI

To View Packet Service

Profile

Profiles

On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Packet Service Profile. The Packet Service Profile window is displayed.

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1System Provisioning - Packet Service Profile

To

Edit

Create a Packet Service Profile

To edit any of the Packet Service Profiles in the list, click the radio button next to the specific Packet Service Profile name.

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1System Provisioning Packet Service Profile Highlighted

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The Edit Selected Packet

create a new Packet Service Profile:

  1. Click New Packet Service Profile. The Create New Packet Service Profile window is displayed

below

  1. where you can name and set an initial set of options for the profile using the window shown in the following figure.

    Caption
    0Figure
    1
System Provisioning -
  1. Create New Packet Service Profile
Edit
  1. Window

    Image Modified

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

  1. For information on the fields, see this table.
  2. Click Save.
  3. You can then configure many additional options in the profile using the windows positioned below the Packet Service Profile window in the EMA navigation hierarchy. Select the Packet Service Profile by name at the top of each subordinate window to continue configuring that profile. Refer to the following pages for information on using these windows to continue configuring a new Packet Service profile.
    Children Display

To Edit a

To Create

Packet Service Profile

To create a new edit an existing Packet Service Profile, click New Packet Service Profile tab on the Packet Service Profile List panel.

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1System Provisioning - Packet Service Profile Fields

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The Create New Packet Service Profile window is displayed.

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1System Provisioning - Packet Service Profile Create Window

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The following fields are displayed:

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0Table
1System Provision - Packet Service Profile Parameters

 

:

  1. Click the radio button next to the profile you want to edit. The Edit Selected Packet Service Profile window opens. You can edit the set of options that are shown when a profile is created. 
  2. Click Save.
  3. You can edit additional options in the profile using the windows positioned below the Packet Service Profile window in the EMA navigation hierarchy. Refer to the pages listed above for information on using these windows to continue editing a Packet Service profile.

To Copy a Packet Service Profile

To copy an existing Packet Service Profile as the basis for a new profile,

  1. Click the radio button next to the profile you want to copy.
  2. Click Copy Packet Service Profile. The Copy Selected Packet Service Profile window opens. As shown in the following figure, you can specify a  name for the copy and edit the full set of profile options.
  3. Use the tables following figure to configure the profile copy, as needed, and then click Save. 
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1System Provisioning - Packet Service Profile Copy Window

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The following fields are displayed:

Anchor
Common table - Create and Copy Screens
Common table - Create and Copy Screens

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0Table
1System Provision - Packet Service Profile Parameters

 

Parameter

Description

Fields common to the Create New and Copy Windows

Name

The packet service profile entry ID used to identify a particular packet service profile entry.

Silence Factor

The silence factor is the percentage of call time for which silence is expected. It is used to reduce expected call bandwidth.

The default value is 40.

Type of Service

Specifies the type of service (TOS) parameter to be provided in the IP header for voice packets. It is the decimal number that is included as

Parameter

Description

Name

The packet service profile entry ID used to identify a particular packet service profile entry.

Silence Factor

The silence factor is the percentage of call time for which silence is expected. It is used to reduce expected call bandwidth.

The default value is 40.

Type of Service

Specifies the type of service (TOS) parameter to be provided in the IP header for voice packets. It is the decimal number that is included as is in the 8-bit TOS field of the IP header. Note that this number should be four times the DSCP value that you want to set in the high order 6 bits of the 8-bit TOS field.

The default value is 0.

Voice Initial Playout Buffer Delay

Specifies a numeric value, in milliseconds (ms), for the voice initial playout buffer delay required to absorb the maximum expected packet jitter across the network, in the range of 1 ms to 50 ms in increments of 1 ms.

The default value is 10 ms.

Peer Absence Action

Specifies the action to be taken when loss of bearer plane connectivity is detected on the channel. Possible actions are: • None—No

  • None—No action taken.
• Trap—Generate
  • Trap—Generate an SNMP trap.
•
  • Trap and
Disconnect—Generate
  • Disconnect—Generate an SNMP trap and disconnect the call.

Requires the RTCP check box to be selected, which enables RTCP on the channel. The default setting is None.

AaL1 Payload Size

Specifies the ATM Adaption Layer Type 1 (AAL-1) payload size. For G.711, the possible values are 40, 44, or 47 bytes.
The default value is 47 bytes.

Preferred RTP Payload Type for DTMF Relay

Specifies the preferred RTP payload type in the RTP header of audio packets for this encoding. (default = 128). This parameter is only used for 8 kHz clock rate. DTMF payload type of each subsequent clock rate (16 kHz, 24 kHz, etc.) is incremented by 1.

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titleNOTE:

Using the default value of "128" for Preferred Rtp Payload Type For Dtmf Relay implies that that the preferred DTMF value (from the system configurable) is used for this profile.

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titleNOTE:

Refer to the Interwork Dtmf Without Transcoding parameter parameter on the Packet Service Profile - Flags page for valid values to use with this parameter when the Interwork Dtmf Without Transcoding parameter is enabled.

If Interwork Dtmf Without Transcoding is enabled, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred If the Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using the "set system dspPad rtpDtmfRelay" option because DSPs are not used for the call.

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titleNOTE:

The

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uses the Preferred RTP Payload Type For DTMF Relay configuration as the payload type for 8 kHz DTMF when not used by any other codec.

For wideband (16 kHz) DTMF, the

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uses the next available payload type (to the configured Preferred RTP Payload Type For DTMF Relay value).

Media Packet COS

Applies a Class of Service (COS) marking to be set in the User Priority field of the Ethernet VLAN tag header on media packets transmitted on a call leg that uses this packet service profile. Has an effect only if the network interface supports 802.1Q tagged Ethernet frames. The default value zero corresponds to best effort. The value range is 0-7.

Honor Remote Precedence

Specifies whether the audio encoding priority order of the local packet service profile takes precedence over the remote peer's audio encoding priority order when creating the priority order of the audio encodings that are common to both.

Possible choices are: • disabled—When selected, Disabled makes

  • Disabled (default) — the local audio encoding priority order take precedence. Disabled also makes the local
Secure
  • secure RTP/RTCP settings and crypto suite priority order take precedence.
• enabled—When selected,
  • Enabled
makes
  • — the remote peer's audio encoding priority order take precedence. For ingress call legs, Enabled also makes the remote peer's
Secure
  • secure RTP/RTCP settings and crypto suite priority order take precedence
. The default setting is Disabled
  • .

Send Route PSPPrecedence

Specifies the audio encoding order preference in outgoing messages only.
• disabled—When selected, Disable The options are:

  • Disabled (default) —disable the audio encoding order preference.
• enabled—When selected, Enable
  • Enabled — enable the audio encoding order preference.

To Copy Packet Service Profile

To copy any of the created Packet Service Profiles and to make any minor changes, click the radio button next to the specific Packet Service Profile to highlight the row.

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1System Provisioning Packet Service Profile Highlighted

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Click Copy Packet Service Profile tab on the Packet Service Profile List panel.

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1System Provisioning - Packet Service Profile Fields

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The Copy Selected Packet Service Profile window is displayed along with the field details which can be edited.

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1System Provisioning - Packet Service Profile Copy Window

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The following fields are displayed:

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0Table
1System Provision - Packet Service Profile Parameters

 

Parameter

Description

Name

The packet service profile entry ID used to identify a particular packet service profile entry.

Silence Factor

The silence factor is the percentage of call time for which silence is expected. It is used to reduce expected call bandwidth.

The default value is 40.

Type of Service

Specifies the type of service (TOS) parameter to be provided in the IP header for voice packets. It is the decimal number that is included as is in the 8-bit TOS field of the IP header. Note that this number should be four times the DSCP value that you want to set in the high order 6 bits of the 8-bit TOS field.

The default value is 0.

Voice Initial Playout Buffer Delay

Specifies a numeric value, in milliseconds (ms), for the voice initial playout buffer delay required to absorb the maximum expected packet jitter across the network, in the range of 1 ms to 50 ms in increments of 1 ms.

The default value is 10 ms.

Peer Absence Action

Specifies the action to be taken when loss of bearer plane connectivity is detected on the channel. Possible actions are:
• None—No action taken.
• Trap—Generate an SNMP trap.
• Trap and Disconnect—Generate an SNMP trap and disconnect the call.
Requires the RTCP check box to be selected, which enables RTCP on the channel. The default setting is None.

AaL1 Payload Size

Specifies the ATM Adaption Layer Type 1 (AAL-1) payload size. For G.711, the possible values are 40, 44, or 47 bytes.
The default value is 47 bytes.

Preferred RTP Payload Type for DTMF Relay

Specifies the preferred RTP payload type in the RTP header of audio packets for this encoding. (default = 128). This parameter is only used for 8 kHz clock rate. DTMF payload type of each subsequent clock rate (16 kHz, 24 kHz, etc.) is incremented by 1.

Note

Using the default value of "128" for Preferred Rtp Payload Type For Dtmf Relay implies that the preferred DTMF value (from the system configurable) is used for this profile.

Note

Refer to Interwork Dtmf Without Transcoding parameter on Packet Service Profile - Flags page for valid values to use with this parameter when Interwork Dtmf Without Transcoding parameter is enabled.

If Interwork Dtmf Without Transcoding is enabled, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using "set system dspPad rtpDtmfRelay" option because DSPs are not used for the call.

Media Packet COS

Applies a Class of Service (COS) marking to be set in the User Priority field of the Ethernet VLAN tag header on media packets transmitted on a call leg that uses this packet service profile. Has an effect only if the network interface supports 802.1Q tagged Ethernet frames. The default value zero corresponds to best effort. The value range is 0-7.

Honor Remote Precedence

Specifies whether the audio encoding priority order of the local packet service profile takes precedence over the remote peer's audio encoding priority order when creating the priority order of the audio encodings that are common to both.

Possible choices are:

  • disabled—When selected, Disabled makes the local audio encoding priority order take precedence. Disabled also makes the local Secure RTP/RTCP settings and crypto suite priority order take precedence.
  • enabled—When selected, Enabled makes the remote peer's audio encoding priority order take precedence. For ingress call legs, Enabled also makes the remote peer's Secure RTP/RTCP settings and crypto suite priority order take precedence. The default setting is Disabled.

Send Route PSPPrecedence

Specifies the audio encoding order preference in outgoing messages only. The options are:

  • disabled—When selected, Disable the audio encoding order preference.
  • enabled—When selected, Enable the audio encoding order preference.
Data Calls Preferred Rtp Data Payload Type

The RTP Payload Type included in the RTP header of the data packet. The value ranges from 0 to 127 and the default value is 56.

Initial Playout Buffer DelayUsed for G.711 only. This is the initial playout delay for calls with a data bearer channel, for example, ISDN 64K data calls. This value is configured separately from the initial playout delay for voice channels (Voice Initial Playout Buffer Delay) so providers can trade off delay on data calls versus the likelihood of jitter causing delay changes while the playout buffer adapts. Some data bearer calls are very sensitive to delay changes (such as H.320 video conferencing), so a higher initial delay should reduce the chance of jitter bursts causing problems. (range: 5-50 / default = 50).Packet Size

Specifies the maximum data packet size (Kilobits). The options are:

  • 10
  • 20
  • 30
  • 40
Rtcp Options Rtcp

Specifies if the Rtcp option should be enabled or not. The options are:

  • disable (default)
  • enable – RTCP is used for the call.
Termination For PassthroughSpecifies RTCP termination behavior for pass-through calls. The options are:
  • disable (default) — RTCP is relayed between the end points for pass-through calls.
     
    • enable — Enable flag (as well as Rtcp flag) on one leg to terminate RTCP sessions on each leg for pass-through calls. If RTCP and RTCP termination is enabled on one leg of a pass-through call, RTCP is terminated and originated for that leg. If RTCP is enabled on both legs on the pass-through call, irrespective of Termination For Passthroug settings, RTCP is always relayed.
    Note

    This parameter is visible only when Rtcp is enabled.

    Enable RTCPFor Held Calls

    If this flag is enabled, SBC ignores the configured RR/RS values in the Packet Service Profile and send RR/RS = 0 in the offer/answer and disables RTCP when the call is active. When the call is HELD, and a RE-INVITE is sent, SBC uses the configured values in the Packet Service Profile for RTCP bandwidth and enables RTCP. When the call is RESUMED, SBC again disables RTCP by sending RR/RS=0 in the RE-INVITE.

    The value of RR ranges from 100-4000 and the value of RS ranges from 100-3000.

    If this flag is disabled, the older behavior of SBC is applicable.

    options are:

    • disabled (default)
    • enabled
    Note

    This parameter is visible only when Rtcp is enabled.

    Packet Loss Threshold

    Enter a value between 0-32767 to specify the Packet Loss Threshold (number of lost packets/100,000) which will trigger a Packet Loss Action. This parameter is required if RTCP is enabled. When set to “0”, no packet loss inactivity detection is performed. The value ranges from 0 to 32767 and the default value is 0. The value ranges from 0 to 32767 and the default value is 0.

    Note

    Configuring this parameter to a value less than 400 disables threshold detection, so be sure to use a value in the range of 400 to 32767 to enable threshold detection.

    This setting can be used in conjunction with   Media Peer Inactivity. To set media peer inactivity timeout value, see Media Peer Inactivity parameter in Media Peer Inactivity page.

    For an example configuration of this parameter, see Packet Service Profile (CLI) page.

    Note

    This parameter is visible only when Rtcp is enabled.

    Rr Bandwidth

    Specifies the RTCP bandwidth allocated to active data senders. The value ranges from 100 to 4000 and the default value is 250.

    Note

    This parameter is visible only when Rtcp is enabled.

    Rs Bandwidth

    Specifies the RTCP bandwidth allocated for receivers. The value ranges from 100 to 3000 and the default value is 250.

    Note

    This parameter is visible only when Rtcp is enabled.

    Packet Loss ActionSpecifies what Packet loss action to take when packet threshold is exceeded. The options are:
    • none — Take no action.
    • packetLossTrap — Generate trap.

    • packetLossTrapAndDisconnect — Generate trap and disconnect.

    Note

    This parameter is visible only when Rtcp is enabled.

     Silence Insertion Descriptor G711Sid Rtp Payload TypeSpecifies the G.711 Silence Insertion Descriptor (SID) RTP payloadType. (range: 0-127 / default = 19). Heartbeat

    By default, this flag is enabled to allow SID packets to be sent within a minimal interval during a silence period (at least one SID packet must be sent within a SID maximum packet time frame). The options are:

    • disable
    • enable (default)
     Codec

    Defines the codec entry priorities and codec names. Up to 12 codec configurations are supported by the SBC in PSX and Advanced ERE deployment scenarios (see Routing and Policy Management for a description of the different routing configurations).

    Excerpt IncludeSupported Codecs and TranscodingSupported Codecs and TranscodingnopaneltrueCodec Entry1

    This attribute specifies the codec entry with a priority of "1". For each codec entry, select the desired codec. Codec IDs available by default are:

    • G711-DEFAULT
    • G711SS-DEFAULT
    • G723-DEFAULT
    • G723A-DEFAULT
    • G726-DEFAULT
    • G729A-DEFAULT
    • G729AB-DEFAULT
    Codec Entry2 This attribute specifies the codec entry with a priority of "2". For each codec entry, select the codec entry ID as specified in codecEntry1.Codec Entry3 This attribute specifies the codec entry with a priority of "3". For each codec entry, select the codec entry ID as specified in codecEntry1.Codec Entry4 This attribute specifies the codec entry with a priority of "4". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry5This attribute specifies the codec entry with a priority of "5". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry6This attribute specifies the codec entry with a priority of "6". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry7This attribute specifies the codec entry with a priority of "7". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry8This attribute specifies the codec entry with a priority of "8". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry9This attribute specifies the codec entry with a priority of "9". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry10This attribute specifies the codec entry with a priority of "10". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry11This attribute specifies the codec entry with a priority of "11". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry12This attribute specifies the codec entry with a priority of "12". For each codec entry, select the codec entry ID as specified for codecEntry1. Packet to Packet Control  Transcode

     Transcode options:

    • conditional (default)
    • determinedByPspForOtherLeg
    • only
    • transcoderFreeTransparency

     

    Note

    If you configure Packet To Packet Control for “Transcode Free Transparency”, ensure you also set Late Media Support to ‘passthru’ ( refer to Trunk Group - SIP Trunk Group and SIP Trunk Group - Media).

    Conditions in Addition To No Common Codec The 
    Spacevars
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    performs transcoding when any of the specified conditions are met, including no common codec on ingress and egress legs.Apply Fax Tone Treatment

     Apply fax tone treatment. The options are:

    • disable (default)
    • enable
    Different DTMF Relay

    Enable this flag to perform transcoding when the ingress and egress call legs use different DTMF relay methods. The options are:

    • disable (default)
    • enable
     Different Packet Size

     Enable this flag to perform transcoding when the ingress and egress call legs use different packet sizes. The options are:

    • disable (default)
    • enable
     Different Silence Suppression

    Enable this flag to perform transcoding when the ingress and egress call legs use different silence suppression methods. The options are:

    • disable (default)
    • enable
     Honor Offer Preference

    Enable this Honor Offer Preference (HOP) flag to honor the codec preference of the peer's offer when the 'Honor Remote Preference' flag on the PSX is enabled.  This option is available only when transcode = conditional. (See the table below describing SBC behavior when this flag is enabled/disabled). The options are:

    • disable (default)
    • enable
    Honor Answer Preference

    The SBC triggers a new offer towards the other side when an answer is received for a re-INVITE from this side. The re-INVITE generated on the other side carries all possible codecs in Route Packet Service Profile that causes the most preferred codec of the other side peer to be modified. Enable this Honor Answer Preference (HAP) flag to lock down the most preferred codec towards the peer irrespective of re-INVITE received for mid-call modification from this side. (See the table below describing SBC behavior when this flag is enabled/disabled). The options are:

    • disable (default)
    • enable
     
    Caption
    0Table
    1honorAnswerPreference vs. honorOfferPreference

     

    HOP Flag StateHAP Flag StateSBC Behavior
    enabledisableThe SBC selects a codec order of precedence in the offered SDP, irrespective of whether it is a pass-through or transcoded codec (if transcoding is defined for that codec). The SBC as part of media lock-down may send a re-INVITE to egress peer. Note that the preference on the answerer side is given to a pass-through codec.
    enableenableThe SBC gives preference to HAP over HOP in case of conflict. The Honor Remote Preference (HRP) flag on the answerer leg decides the preference order. Based on that preference list, the SBC selects a codec with highest preference from answer SDP that can be used even if it requires transcoding. Note that this may cause the selection of a codec on the other side leg not to be honored. This happens in case of a pass-through call.
    disableenableThe SBC gives preference to answerer codec order that is created based on HRP flag. The most preferred codec is chosen as received in the answer SDP, irrespective of whether it is a pass-through or a transcoded codec (if transcoding is defined for that codec).
    Codecs Allowed for TranscodingUse this parameter to specify codecs allowed for transcoding, and which leg to apply it to.This Leg(see codec list below)Other Leg(see codec list below)
    amrefrevrcg711a
    g711ug722g726g729
    g7221g7222g7231ilbc
    t38   
    Flags Disallow Data Calls

    Enable flag to disallow data calls. The options are:

    • disable (default)
    • enable
    Digit Detect Send Enabled

    Flag to specify whether digit detection is enabled on digits sent to the network. The options are:

    • disable (default)
    • enable

    INFO: See Digit Detect Send Enabled Settings for KPML table below to understand which PSP leg to enable this flag for the desired KPML functionality.

    Use Direct Media

    Enable flag to use direct media as needed. The options are:

    • disable (default)
    • enable
    Validate Peer Support For Dtmf Events

    Flag to validate peer support for DTMF events. Enable this flag for all peer devices that support RFC 4733. The options are:

    • disable (default) – 
      Spacevars
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      does not validate the presence of DTMF events in the offer or answer from the peer. If DTMF relay is enabled, 
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      transmits DTMF digits received from the other leg to this peer using the named event RTP payload.
    • enable – 
      Spacevars
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      validates the presence of DTMF events in the offer or answer from peers that support RFC 4733. If DTMF Relay is enabled and events 0-15 are received (with no other combination or subset of events), 
      Spacevars
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      forwards the events in the egress leg to this peer using the named event RTP payload. When 
      Spacevars
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      is configured for a pass-through call and it receives DTMF events other than 0-15 from the ingress peer, it does not offer any DTMF events to the egress endpoint.
    Interwork Dtmf Without Transcoding

    Enable flag to interwork DTMF with out-of-band RFC2833 without using transcoding. The options are:

    • disable (default)
    • enable
    Note

    If you enable Interwork Dtmf Without Transcoding, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using "set system dspPad rtpDtmfRelay" command because DSPs are not used for the call.

    Dscp Passthrough

    When enabled on both the Ingress and Egress call leg, the DSCP value in the IP header of the media packets is transparently passed through the system. Once media is received from the peer, any value set in the Type Of Service field on the Packet Service Profile has no effect when Dscp Passthrough is configured on both legs for the associated call. The options are:

    • disable (default)
    • enable
    Ssrc Randomize

    Enable flag to generate a new SSRC (using a random value) along with a new time stamp on a new RTP stream whenever a resource is reactivated (due to change in codec, etc.). SSRC randomization reduces the probability of collision in large groups and simplifies the process of group sampling that depends on uniform distribution of SSRCs. The options are:

    • disable (default)
    • enable
    T38 Data Rate Management Type

    The following Data Rate Management Types are supported:

    • type1LocalGenerationOfTcf – Type 1 data rate management requires that the Training Check Frame (TCF) training signal is generated locally by the receiving gateway. Data rate management is performed by the emitting gateway based on training results from both PSTN connections. Type 1 is used for TCP implementations and is optionally used with UDP implementations.
    • type2TransferOfTcf – (default) Type 2 data rate management requires that the TCF is transferred from the sending gateway to the receiving gateway rather than having the receiving gateway generate it locally. Speed selection is done by the gateways in the same way as they would on a regular PSTN connection. Data rate management type 2 requires the use of UDP and is not recommended for use with TCP.
    Low Speed Number Of Redundant Packets This field specifies the number of redundant IFP messages sent in a UDP packet for T.38 low speed fax transmission, and applies only if the T.38 error correction type is redundancy. (range: 0-2 / default = 1).Max Bit Rate

    Use this object to select the T.38 Maximum Bit Rate which controls and manipulates bits 11, 12, 13, and 14 in the DIS command received by the SBC from either the TDM circuit interface or the T.38 packet interface:

    • 2.4Kbits_s – For modem type ITU-T V.27ter fall-back mode.
    • 4.8Kbits_s – For modem type ITU-T V.27ter.
    • 9.6Kbits_s – For modem types ITU-T V.27ter and V.29.
    • 14.4Kbits_s – (default) For modem types ITU-T V.27ter, V.29, and V.17. This setting is used to constrain the type of modem modulation schemes.
     Number Of Redundant PacketsUse this parameter for high-speed fax relay to specify the number of redundant Internet Facsimile Protocol (IFP) messages sent in a User Datagram Packet (UDP) for fax transmission. (range: 0-2 / default = 1).  Ecm Ecm Preferred

    Use this flag to allocate DSP resources, when available, for T.38 Error Correction Mode (ECM) calls.

    • disable – (default) use normal resource allocation.
    • enable
     Secure Rtp Rtcp Crypto Suite ProfileA unique identifier for the crypto suite profile.Flags Allow Fallback

    Enable flag to allow fallback to standard RTP/RTCP when crypto attribute negotiation fails. The options are:

    • disable (default)
    • enable
    Enable Srtp

    Enable this flag to enable secure RTP/RTCP. The options are:

    • disable (default)
    • enable
    Reset ROCOn Key Change

    Enable flag to reset the SRTP Roll Over Counter when the session key changes. The options are:

    • disable (default)
    • enable
    Reset Enc Dec ROCOn Dec Key Change

    Enable flag to reset Roll Over Counter for both encryption and decryption when decryption key changes. The options are:

    • disable (default)
    • enable
    Update Crypto Keys On Modify

    For an SRTP call, if this flag is enabled in Packet Service Profile and call leg mode is changed from sendonly/inactive/recvonly to sendrecv, the SBC generates a new set of crypto attributes. The options are:

    • disable (default)
    • enable
    Video Calls Max Video Bandwidth

    The maximum allowable session bandwidth (in Kbps) for a call that includes video streams. This value includes the bandwidth for all streams in the call (audio, video, BFCP, and so on). If "0" is set as the value, video calls are not allowed; and only audio calls can be set up following the normal allocation process (range: 0-50000 Kbps / default = 10).

    Video Bandwidth Reduction Factor

    The amount, as a percentage, to reduce the session bandwidth allocation for calls that include video streams. This setting only affects the internal allocation of bandwidth used for the calls (does not affect the signaling). For example, if the reduction factor is "20", the bandwidth allocated for calls is reduced by 20%. In other words, if the normal bandwidth allocation for calls is 1000 Kbps, a 20% reduction equates to a new 800 Kbps bandwidth. (range: 0-100 / default = 0).

    Ipv4TosIPv4 type of service. (range: 0-255 / default = 0).Ipv6Traffic Class

    IPv6 traffic class. (range: 0-255 / default = 0).

    Note

    Ipv6Traffic Class is not supported with H.323 calls.

    Ieee8021QVLan CosIEEE-802 1Q VLAN Class of Service. (range: 0-7 / default = 0)Codec List ProfileName of the Codec List profile used to store precedence and purge lists of video codec MIME subtypes.Audio Only If Video Is Prevented

    By default, this flag is enabled to allow call to continue with the audio only portion if the video cannot be established for any reason. The options are:

    • disable
    • enable (default)
    Audio Transparency Unknown Codec Packet SizeSpecifies the bit rate, in Kilobytes/second, required for bandwidth computation of unknown audio codecs. (range: 1-1000 KB/sec / default = 124)Unknown Codec Bit RateSpecifies the packet size, in milliseconds, required for Bandwidth computation of unknown audio codecs. (range: 5-100 ms / default = 10)DTLS Dtls Crypto Suite ProfileSpecifies a unique identifier for the crypto suite profile.Dtls Flags Allow Dtls Fallback

    When enabled, specifies a fall back to standard RTP when crypto attribute negotiation fails. The options are:

    • Disable (default)
    • Enable
    Enable Dtls Srtp

    When enabled, this parameter enables the secure RTP. The options are:

    • Disable (default)
    • Enable
    Dtls Srtp Relay

    When enabled, the Relays DTLS-sRTP audio and video streams are enabled on the SBC. The options are:

    • Disable (default)
    • Enable
    Dtls Sctp Relay

    When enabled, the Relays DTLS/SCTP streams are enabled on the SBC. The options are:

    • Disable (default)
    • Enable

    Make the required changes to the required fields and click Save to save the changes. The copied Packet Service Profile is displayed at the bottom of the original Packet Service Profile in the Packet Service Profile List panel.

    AnchorDigit Detect Send Enabled Settings for KPMLDigit Detect Send Enabled Settings for KPMLDigit Detect Send Enabled Settings for KPML

    Multiexcerpt include
    MultiExcerptNamedigitDetectSendEnabled
    PageWithExcerptPacket Service Profile - CLI

    To Delete Packet Service Profile

    To delete any of the created Packet Service Profile, click the radio button next to the specific Packet Service Profile which you want to delete.

    Caption
    0Figure
    1System Provisioning Packet Service Profile Highlighted

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    Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.

    Caption
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    1System Provisioning - Packet Service Profile Delete Confirmation

    Image Removed

    Click Yes to remove the specific Packet Service Profile from the list.

     

    Panel

    In this section:

    Table of Contents
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    Info
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    Additional pages:

    Children Display
     

    Fields that appear only on the Copy Window
    Data Calls 
    Preferred Rtp Data Payload Type

    The RTP Payload Type included in the RTP header of the data packet. The value ranges from 0 to 127 and the default value is 56.

    Initial Playout Buffer DelayUsed for G.711 only. This is the initial playout delay for calls with a data bearer channel, for example, ISDN 64K data calls. This value is configured separately from the initial playout delay for voice channels (Voice Initial Playout Buffer Delay) so providers can trade off delay on data calls versus the likelihood of jitter causing delay changes while the playout buffer adapts. Some data bearer calls are very sensitive to delay changes (such as H.320 video conferencing), so a higher initial delay should reduce the chance of jitter bursts causing problems. (range: 5-50 / default = 50).
    Packet Size

    Specifies the maximum data packet size (Kilobits). The options are:

    • 10
    • 20
    • 30
    • 40
    RTCP Options 
    Rtcp

    Specifies whether to enable RTCP. The options are:

    • Disable (default)
    • Enable – RTCP is used for the call.
    Termination For PassthroughSpecifies RTCP termination behavior for pass-through calls. The options are:
    • Disable (default) — RTCP is relayed between the endpoints for pass-through calls.
       
    • Enable — Enable this option (as well as the Rtcp option) on one leg to terminate RTCP sessions on each leg for pass-through calls. If RTCP and RTCP termination is enabled on one leg of a pass-through call, RTCP is terminated and originated for that leg. If RTCP is enabled on both legs on the pass-through call, irrespective of Termination For Passthrough settings, RTCP is always relayed.

    Info
    iconfalse
    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

    Enable RTCPFor Held Calls

    If this option is enabled, the SBC ignores the configured RR/RS values in the Packet Service Profile and send RR/RS = 0 in the offer/answer and disables RTCP when the call is active. When the call is HELD, and a RE-INVITE is sent, the SBC uses the configured values in the Packet Service Profile for RTCP bandwidth and enables RTCP. When the call is RESUMED, the SBC again disables RTCP by sending RR/RS=0 in the RE-INVITE.

    The value of RR ranges from 100-4000 and the value of RS ranges from 100-3000.

    If this flag is disabled, the older behavior of SBC is applicable.

    The options are:

    • Disabled (default)
    • Enabled
    Info
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    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

    Packet Loss Threshold

    Enter a value of 0, or a value in the range of 400-32767 to specify the Packet Loss Threshold (number of lost packets/100,000) which will trigger a Packet Loss Action. This parameter is required if RTCP is enabled. When set to “0”, no packet loss inactivity detection is performed. The default value is 0. 

    Info
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    titleNOTE:

    Configuring this parameter to a value less than 400 disables threshold detection; use a value in the range of 400 to 32767 to enable threshold detection.

    This setting can be used in conjunction with Media Peer Inactivity. To set amedia peer inactivity timeout value, see the Media Peer Inactivity parameter on the Media Peer Inactivity page.

    For an example configuration of this parameter, see the Packet Service Profile (CLI) page.

    Info
    iconfalse
    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

    Rr Bandwidth

    Specifies the RTCP bandwidth allocated to active data senders. The value ranges from 100 to 4000 and the default value is 250.

    Info
    iconfalse
    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

    Rs Bandwidth

    Specifies the RTCP bandwidth allocated for receivers. The value ranges from 100 to 3000 and the default value is 250.

    Info
    iconfalse
    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

    Packet Loss ActionSpecifies what Packet loss action to take when packet threshold is exceeded. The options are:
    • None — Take no action.
    • Packet Loss Trap — Generate trap.

    • Packet Loss Trap And Disconnect — Generate trap and disconnect.

    Info
    iconfalse
    titleNOTE:

    This parameter is visible only when Rtcp is enabled.

     Silence Insertion Descriptor 
    G711Sid Rtp Payload TypeSpecifies the G.711 Silence Insertion Descriptor (SID) RTP payloadType. (range: 0-127 / default = 19). 
    Heartbeat

    By default, this option is enabled to allow SID packets to be sent within a minimal interval during a silence period (at least one SID packet must be sent within a SID maximum packet time frame). The options are:

    • Disable
    • Enable (default)
    Codec

    Defines the codec entry priorities and codec names. Up to 12 codec configurations are supported by the SBC in PSX and Advanced ERE deployment scenarios (see Routing and Policy Management for a description of the different routing configurations).

    Excerpt Include
    Supported Codecs and Transcoding
    Supported Codecs and Transcoding
    nopaneltrue

    Codec Entry1

    This attribute specifies the codec entry with a priority of "1". For each codec entry, select the desired codec. Codec IDs available by default are:

    • G711-DEFAULT
    • G711SS-DEFAULT
    • G723-DEFAULT
    • G723A-DEFAULT
    • G726-DEFAULT
    • G729A-DEFAULT
    • G729AB-DEFAULT
    Codec Entry2 This attribute specifies the codec entry with a priority of "2". For each codec entry, select the codec entry ID as specified in Codec Entry1.
    Codec Entry3 This attribute specifies the codec entry with a priority of "3". For each codec entry, select the codec entry ID as specified in Codec Entry1.
    Codec Entry4 This attribute specifies the codec entry with a priority of "4". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry5This attribute specifies the codec entry with a priority of "5". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry6This attribute specifies the codec entry with a priority of "6". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry7This attribute specifies the codec entry with a priority of "7". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry8This attribute specifies the codec entry with a priority of "8". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry9This attribute specifies the codec entry with a priority of "9". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry10This attribute specifies the codec entry with a priority of "10". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry11This attribute specifies the codec entry with a priority of "11". For each codec entry, select the codec entry ID as specified for Codec Entry1.
    Codec Entry12This attribute specifies the codec entry with a priority of "12". For each codec entry, select the codec entry ID as specified for Codec Entry1.
     Packet to Packet Control 
     Transcode

     Transcode options:

    • Conditional (default)
    • Determined By Psp For Other Leg
    • Only
    • Transcoder Free Transparency

    Info
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    titleNOTE:
    If you configure Transcoder Free Transparency, ensure you also set Late Media Support to Passthru (refer to Trunk Group - SIP Trunk Group and SIP Trunk Group - Media).


    Conditions in Addition To No Common Codec The 
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    performs transcoding when any of the specified conditions are met, including no common codec on ingress and egress legs.
    Apply Fax Tone Treatment

     Apply fax tone treatment. The options are:

    • Disable (default)
    • Enable
    Different DTMF Relay

    Enable this flag to perform transcoding when the ingress and egress call legs use different DTMF relay methods. The options are:

    • Disable (default)
    • Enable
    Different Packet Size

     Enable this flag to perform transcoding when the ingress and egress call legs use different packet sizes. The options are:

     

    • Disable (default)
    • Enable

     

    Different Silence Suppression

    Enable this flag to perform transcoding when the ingress and egress call legs use different silence suppression methods. The options are:

    • Disable (default)
    • Enable
    Honor Offer Preference

    Enable Honor Offer Preference (HOP) to honor the codec preference of the peer's offer when Honor Remote Preference on the PSX is enabled.  This option is available only when Transcode is Conditional. (See the table below describing SBC behavior when this option is enabled/disabled). The options are:

    • Disable (default)
    • Enable
    Honor Answer Preference

    The SBC triggers a new offer towards the other side when an answer is received for a re-INVITE from this side. The re-INVITE generated on the other side carries all possible codecs in Route Packet Service Profile that causes the most preferred codec of the other side peer to be modified. Enable Honor Answer Preference (HAP) to lock down the most preferred codec towards the peer irrespective of re-INVITE received for mid-call modification from this side. (See the table below describing SBC behavior when this option is enabled/disabled). The options are:

    • Disable (default)
    • Enable
    Caption
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    1honorAnswerPreference vs. honorOfferPreference

     

    HOP Flag StateHAP Flag StateSBC Behavior
    EnableDisableThe SBC selects a codec order of precedence in the offered SDP, irrespective of whether it is a pass-through or transcoded codec (if transcoding is defined for that codec). The SBC as part of media lock-down may send a re-INVITE to egress peer. Note that the preference on the answerer side is given to a pass-through codec.
    EnableEnableThe SBC gives preference to HAP over HOP in case of conflict. The Honor Remote Preference (HRP) flag on the answerer leg decides the preference order. Based on that preference list, the SBC selects a codec with highest preference from answer SDP that can be used even if it requires transcoding. Note that this may cause the selection of a codec on the other side leg not to be honored. This happens in case of a pass-through call.
    DisableEnableThe SBC gives preference to answerer codec order that is created based on HRP flag. The most preferred codec is chosen as received in the answer SDP, irrespective of whether it is a pass-through or a transcoded codec (if transcoding is defined for that codec).
    Codecs Allowed for TranscodingUse this parameter to specify codecs allowed for transcoding, and for which call leg.
    This Leg(see codec list below)
    Other Leg(see codec list below)
    amrefrevrcg711a
    g711ug722g726g729
    g7221g7222g7231ilbc
    t38   
    Flags 
    Disallow Data Calls

    Enable this option to disallow data calls. The options are:

    • Disable (default)
    • Enable
    Digit Detect Send Enabled

    Specifies whether digit detection is enabled on digits sent to the network. The options are:

    • Disable (default)
    • Enable

    INFO: See Digit Detect Send Enabled Settings for KPML table below to understand which PSP leg to enable this flag for the desired KPML functionality.

    Use Direct Media

    Enable this option to use direct media as needed. The options are:

    • Disable (default)
    • Enable
    Validate Peer Support For Dtmf Events

    Enable this option to validate peer support for DTMF events. Enable this option for all peer devices that support RFC 4733. The options are:

    • Disable (default) – 
      Spacevars
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      does not validate the presence of DTMF events in the offer or answer from the peer. If DTMF relay is enabled, 
      Spacevars
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      transmits DTMF digits received from the other leg to this peer using the named event RTP payload.
    • Enable – 
      Spacevars
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      validates the presence of DTMF events in the offer or answer from peers that support RFC 4733. If DTMF Relay is enabled and events 0-15 are received (with no other combination or subset of events), 
      Spacevars
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      forwards the events in the egress leg to this peer using the named event RTP payload. When 
      Spacevars
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      is configured for a pass-through call and it receives DTMF events other than 0-15 from the ingress peer, it does not offer any DTMF events to the egress endpoint.
    Interwork Dtmf Without Transcoding

    Enable this option to interwork DTMF with out-of-band RFC2833 without using transcoding. The options are:

    • Disable (default)
    • Enable
    Info
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    titleNOTE:
    If you enable Interwork Dtmf Without Transcoding, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If the Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using the "set system dspPad rtpDtmfRelay" command because DSPs are not used for the call.
    Dscp Passthrough

    When enabled on both the Ingress and Egress call leg, the DSCP value in the IP header of the media packets is transparently passed through the system. Once media is received from the peer, any value set in the Type Of Service field on the Packet Service Profile has no effect when Dscp Passthrough is configured on both legs for the associated call. The options are:

    • Disable (default)
    • Enable
    Ssrc Randomize

    Enable flag to generate a new SSRC (using a random value) along with a new timestamp on a new RTP stream whenever a resource is reactivated (due to change in codec, etc.). SSRC randomization reduces the probability of collision in large groups and simplifies the process of group sampling that depends on uniform distribution of SSRCs. The options are:

    • Disable (default)
    • Enable
    HDCodec Preferred

    Enable flag to set HD codecs as preferred codec over non-HD codecs even if transcoding is required. When flag is disabled, continue with existing PSP/IPSP behavior. The options are:

    • Disable (default)
    • Enable

    When enabled,

    If...Then...
    the ingress Offer contains any valid HD codecsHD codecs are sorted to the top of the list while sending out the Offer.
    all NB codecs are presentSBC reorders the codec entries with NB first, followed by HD codecs.
    Codec selection priority from Answer message
    1. HD-HD pass-through
    2. HD-HD transcoding
    3. NB-NB pass-through
    4. NB-NB transcoding
    5. HD-NB transcoding

    Note:

    • If Force Route PSPOrder is enabled, this option does not affect the ordering of outgoing offer.
    • If Transcoder Free Transparency is enabled, this option is ignored.
    Prefer NBPassthru Over HDTranscode

    Enable this option to allow the SBC to choose NB-NB pass-through over HD-HD transcoded call. The options are:

    • Disable (default)
    • Enable

    When disabled, the SBC prefers HD-HD transcoded call over NB-NB pass-thru.

    Note:

    • This option is valid only if HDCodec Preferred is enabled, and it is applied when selecting a codec from answer.
    • If Transcoder Free Transparency is enabled, this option is ignored.
    Match Offered Codec Group If Nb Only

    Enable this option to allow the SBC to send only NB in the outgoing offer if only NB is received in the ingress offer. Otherwise, do nothing. While sending the offer, this option is ignored if either HD-only or (HD+NB) is received in incoming offer. The options are:

    • Disable (default)
    • Enable

    If  this option is disabled, the SBC uses existing behavior.

    Note: If Transcoder Free Transparency is enabled, this option is ignored.

    Force Route PSPOrder

    Enable this option to send the outgoing offer in the same order as in the egress route Packet Service Profile, irrespective of HD/NB priorities. The options are:

    • Disable (default)
    • Enable

    Note:

    • If this flag is enabled, the HDCodec Preferred option does not affect the ordering of outgoing offer.
    • If Transcoder Free Transparency is enabled, this option is ignored.
    Reserve BW For Preferred Audio Common Codec

    Reserves bandwidth on the basis of the preferred common codec, and polices on the worst case codec. This applies to both known and unknown codecs. The options are:

    • Disable (default)
    • Enable

    Note: This option is active for a call when both PSPs have this option enabled. If this option is disabled in either of the PSPs, the option is not applied.

    Police On Heaviest Audio Codec

    When enabled, the SBC reserves bandwidth based on the worst-case common codec on trunk groups and interfaces, but polices on the maximum bandwidth for all codecs from the Offer or Answer in a pass-through call. The options are:

    • Disable (default)
    • Enable

    Note: This configuration applies to all pass-through calls. It works independently from Audio Transparency feature and Reserve BW For Preferred Audio Common Codec flag.

    T140Call

    Specifies whether text media calls, using T.140 codec, are allowed. The options are:

    • Disable (default)
    • Enable

    For more information on text codecs, refer to Text Codecs.

    Allow Audio Transcode For Multi Stream CallUse this option to enable audio transcoding for multi-stream calls. The options are: 
    • Disable (default)
    • Enable
    T38 
    Data Rate Management Type

    The following data rate management types are supported:

    • Type1 Local Generation Of Tcf

    Overview

    The Packet Service Profile screen enables you to create or edit a Packet Service Profile. Each Packet Service Profile is configured for a pair of gateways and includes entries for up to four audio/video encoding methods. The pair of gateways can be originating and destination gateways in the same gateway group, or can be originating and destination gateways in an inter-gateway group.

    Excerpt IncludeSupported Codecs and TranscodingSupported Codecs and Transcodingnopaneltrue

    For egress call legs over IP trunk groups, you can use the Trunk Group screen to assign a packet service profile to an egress IP trunk group.

    Include PageTransparency_Profile_NoteTransparency_Profile_Note

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    PageWithExcerptPacket Service Profile - CLI

    Granular Control of HD Codec Offer or Answer

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    PageWithExcerptPacket Service Profile - CLI

    To View Packet Service Profile

    On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Packet Service Profile. The Packet Service Profile window is displayed.

    Caption
    0Figure
    1System Provisioning - Packet Service Profile

    Image Removed

    To Edit Packet Service Profile

    To edit any of the Packet Service Profiles in the list, click the radio button next to the specific Packet Service Profile name.

    Caption
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    1System Provisioning Packet Service Profile Highlighted

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    The Edit Selected Packet Service Profile window is displayed below.

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    1System Provisioning - Packet Service Profile Edit Window

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    Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

    To Create Packet Service Profile

    To create a new Packet Service Profile, click New Packet Service Profile tab on the Packet Service Profile List panel.

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    1System Provisioning - Packet Service Profile Fields

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    The Create New Packet Service Profile window is displayed.

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    1System Provisioning - Packet Service Profile Create Window

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    The following fields are displayed:

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    1System Provision - Packet Service Profile Parameters

     

    Parameter

    Description

    Name

    The packet service profile entry ID used to identify a particular packet service profile entry.

    Silence Factor

    The silence factor is the percentage of call time for which silence is expected. It is used to reduce expected call bandwidth.

    The default value is 40.

    Type of Service

    Specifies the type of service (TOS) parameter to be provided in the IP header for voice packets. It is the decimal number that is included as is in the 8-bit TOS field of the IP header. Note that this number should be four times the DSCP value that you want to set in the high order 6 bits of the 8-bit TOS field.

    The default value is 0.

    Voice Initial Playout Buffer Delay

    Specifies a numeric value, in milliseconds (ms), for the voice initial playout buffer delay required to absorb the maximum expected packet jitter across the network, in the range of 1 ms to 50 ms in increments of 1 ms.

    The default value is 10 ms.

    Peer Absence Action

    Specifies the action to be taken when loss of bearer plane connectivity is detected on the channel. Possible actions are:
    • None—No action taken.
    • Trap—Generate an SNMP trap.
    • Trap and Disconnect—Generate an SNMP trap and disconnect the call.
    Requires the RTCP check box to be selected, which enables RTCP on the channel. The default setting is None.

    AaL1 Payload Size

    Specifies the ATM Adaption Layer Type 1 (AAL-1) payload size. For G.711, the possible values are 40, 44, or 47 bytes.
    The default value is 47 bytes.

    Preferred RTP Payload Type for DTMF Relay

    Specifies the preferred RTP payload type in the RTP header of audio packets for this encoding. (default = 128). This parameter is only used for 8 kHz clock rate. DTMF payload type of each subsequent clock rate (16 kHz, 24 kHz, etc.) is incremented by 1.

    Note

    Using the default value of "128" for Preferred Rtp Payload Type For Dtmf Relay implies that the preferred DTMF value (from the system configurable) is used for this profile.

    Note

    Refer to Interwork Dtmf Without Transcoding parameter on Packet Service Profile - Flags page for valid values to use with this parameter when Interwork Dtmf Without Transcoding parameter is enabled.

    If Interwork Dtmf Without Transcoding is enabled, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using "set system dspPad rtpDtmfRelay" option because DSPs are not used for the call.

    Media Packet COS

    Applies a Class of Service (COS) marking to be set in the User Priority field of the Ethernet VLAN tag header on media packets transmitted on a call leg that uses this packet service profile. Has an effect only if the network interface supports 802.1Q tagged Ethernet frames. The default value zero corresponds to best effort. The value range is 0-7.

    Honor Remote Precedence

    Specifies whether the audio encoding priority order of the local packet service profile takes precedence over the remote peer's audio encoding priority order when creating the priority order of the audio encodings that are common to both.

    Possible choices are:
    • disabled—When selected, Disabled makes the local audio encoding priority order take precedence. Disabled also makes the local Secure RTP/RTCP settings and crypto suite priority order take precedence.
    • enabled—When selected, Enabled makes the remote peer's audio encoding priority order take precedence. For ingress call legs, Enabled also makes the remote peer's Secure RTP/RTCP settings and crypto suite priority order take precedence. The default setting is Disabled.

    Send Route PSPPrecedence

    Specifies the audio encoding order preference in outgoing messages only.
    • disabled—When selected, Disable the audio encoding order preference.
    • enabled—When selected, Enable the audio encoding order preference.

    To Copy Packet Service Profile

    To copy any of the created Packet Service Profiles and to make any minor changes, click the radio button next to the specific Packet Service Profile to highlight the row.

    Caption
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    1System Provisioning Packet Service Profile Highlighted

    Image Removed

    Click Copy Packet Service Profile tab on the Packet Service Profile List panel.

    Caption
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    1System Provisioning - Packet Service Profile Fields

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    The Copy Selected Packet Service Profile window is displayed along with the field details which can be edited.

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    1System Provisioning - Packet Service Profile Copy Window

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    The following fields are displayed:

    Caption
    0Table
    1System Provision - Packet Service Profile Parameters

     

    Specifies the action to be taken when loss of bearer plane connectivity is detected on the channel. Possible actions are:
    • None—No action taken.
    • Trap—Generate an SNMP trap.
    • Trap and Disconnect—Generate an SNMP trap and disconnect the call.
    Requires the RTCP check box to be selected, which enables RTCP on the channel. The default setting is None.Specifies RTCP termination behavior for pass-through calls. The options are:
  • disable (default) — RTCP is relayed between the end points for pass-through calls.
     
    • enable — Enable flag (as well as Rtcp flag) on one leg to terminate RTCP sessions on each leg for pass-through calls. If RTCP and RTCP termination is enabled on one leg of a pass-through call, RTCP is terminated and originated for that leg. If RTCP is enabled on both legs on the pass-through call, irrespective of Termination For Passthroug settings, RTCP is always relayed.

    Parameter

    Description

    Name

    The packet service profile entry ID used to identify a particular packet service profile entry.

    Silence Factor

    The silence factor is the percentage of call time for which silence is expected. It is used to reduce expected call bandwidth.

    The default value is 40.

    Type of Service

    Specifies the type of service (TOS) parameter to be provided in the IP header for voice packets. It is the decimal number that is included as is in the 8-bit TOS field of the IP header. Note that this number should be four times the DSCP value that you want to set in the high order 6 bits of the 8-bit TOS field.

    The default value is 0.

    Voice Initial Playout Buffer Delay

    Specifies a numeric value, in milliseconds (ms), for the voice initial playout buffer delay required to absorb the maximum expected packet jitter across the network, in the range of 1 ms to 50 ms in increments of 1 ms.

    The default value is 10 ms.

    Peer Absence Action

    AaL1 Payload Size

    Specifies the ATM Adaption Layer Type 1 (AAL-1) payload size. For G.711, the possible values are 40, 44, or 47 bytes.
    The default value is 47 bytes.

    Preferred RTP Payload Type for DTMF Relay

    Specifies the preferred RTP payload type in the RTP header of audio packets for this encoding. (default = 128). This parameter is only used for 8 kHz clock rate. DTMF payload type of each subsequent clock rate (16 kHz, 24 kHz, etc.) is incremented by 1.

    Note

    Using the default value of "128" for Preferred Rtp Payload Type For Dtmf Relay implies that the preferred DTMF value (from the system configurable) is used for this profile.

    Note

    Refer to Interwork Dtmf Without Transcoding parameter on Packet Service Profile - Flags page for valid values to use with this parameter when Interwork Dtmf Without Transcoding parameter is enabled.

    If Interwork Dtmf Without Transcoding is enabled, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using "set system dspPad rtpDtmfRelay" option because DSPs are not used for the call.

    Media Packet COS

    Applies a Class of Service (COS) marking to be set in the User Priority field of the Ethernet VLAN tag header on media packets transmitted on a call leg that uses this packet service profile. Has an effect only if the network interface supports 802.1Q tagged Ethernet frames. The default value zero corresponds to best effort. The value range is 0-7.

    Honor Remote Precedence

    Specifies whether the audio encoding priority order of the local packet service profile takes precedence over the remote peer's audio encoding priority order when creating the priority order of the audio encodings that are common to both.

    Possible choices are:

    • disabled—When selected, Disabled makes the local audio encoding priority order take precedence. Disabled also makes the local Secure RTP/RTCP settings and crypto suite priority order take precedence.
    • enabled—When selected, Enabled makes the remote peer's audio encoding priority order take precedence. For ingress call legs, Enabled also makes the remote peer's Secure RTP/RTCP settings and crypto suite priority order take precedence. The default setting is Disabled.

    Send Route PSPPrecedence

    Specifies the audio encoding order preference in outgoing messages only. The options are:

    • disabled—When selected, Disable the audio encoding order preference.
    • enabled—When selected, Enable the audio encoding order preference.
    Data Calls 
    Preferred Rtp Data Payload Type

    The RTP Payload Type included in the RTP header of the data packet. The value ranges from 0 to 127 and the default value is 56.

    Initial Playout Buffer DelayUsed for G.711 only. This is the initial playout delay for calls with a data bearer channel, for example, ISDN 64K data calls. This value is configured separately from the initial playout delay for voice channels (Voice Initial Playout Buffer Delay) so providers can trade off delay on data calls versus the likelihood of jitter causing delay changes while the playout buffer adapts. Some data bearer calls are very sensitive to delay changes (such as H.320 video conferencing), so a higher initial delay should reduce the chance of jitter bursts causing problems. (range: 5-50 / default = 50).
    Packet Size

    Specifies the maximum data packet size (Kilobits). The options are:

    • 10
    • 20
    • 30
    • 40
    Rtcp Options 
    Rtcp

    Specifies if the Rtcp option should be enabled or not. The options are:

    • disable (default)
    • enable – RTCP is used for the call.
    Termination For Passthrough
    Note

    This parameter is visible only when Rtcp is enabled.

    Enable RTCPFor Held Calls

    If this flag is enabled, SBC ignores the configured RR/RS values in the Packet Service Profile and send RR/RS = 0 in the offer/answer and disables RTCP when the call is active. When the call is HELD, and a RE-INVITE is sent, SBC uses the configured values in the Packet Service Profile for RTCP bandwidth and enables RTCP. When the call is RESUMED, SBC again disables RTCP by sending RR/RS=0 in the RE-INVITE.

    The value of RR ranges from 100-4000 and the value of RS ranges from 100-3000.

    If this flag is disabled, the older behavior of SBC is applicable.

    options are:

    • disabled (default)
    • enabled
    Note

    This parameter is visible only when Rtcp is enabled.

    Packet Loss Threshold

    Enter a value between 0-32767 to specify the Packet Loss Threshold (number of lost packets/100,000) which will trigger a Packet Loss Action. This parameter is required if RTCP is enabled. When set to “0”, no packet loss inactivity detection is performed. The value ranges from 0 to 32767 and the default value is 0. The value ranges from 0 to 32767 and the default value is 0.

    Note

    Configuring this parameter to a value less than 400 disables threshold detection, so be sure to use a value in the range of 400 to 32767 to enable threshold detection.

    This setting can be used in conjunction with   Media Peer Inactivity. To set media peer inactivity timeout value, see Media Peer Inactivity parameter in Media Peer Inactivity page.

    For an example configuration of this parameter, see Packet Service Profile (CLI) page.

    Note

    This parameter is visible only when Rtcp is enabled.

    Rr Bandwidth

    Specifies the RTCP bandwidth allocated to active data senders. The value ranges from 100 to 4000 and the default value is 250.

    Note

    This parameter is visible only when Rtcp is enabled.

    Rs Bandwidth

    Specifies the RTCP bandwidth allocated for receivers. The value ranges from 100 to 3000 and the default value is 250.

    Note

    This parameter is visible only when Rtcp is enabled.

    Packet Loss ActionSpecifies what Packet loss action to take when packet threshold is exceeded. The options are:
    • none — Take no action.
    • packetLossTrap — Generate trap.

    • packetLossTrapAndDisconnect — Generate trap and disconnect.

    Note

    This parameter is visible only when Rtcp is enabled.

     Silence Insertion Descriptor G711Sid Rtp Payload TypeSpecifies the G.711 Silence Insertion Descriptor (SID) RTP payloadType. (range: 0-127 / default = 19). Heartbeat

    By default, this flag is enabled to allow SID packets to be sent within a minimal interval during a silence period (at least one SID packet must be sent within a SID maximum packet time frame). The options are:

    • disable
    • enable (default)
     Codec

    Defines the codec entry priorities and codec names. Up to 12 codec configurations are supported by the SBC in PSX and Advanced ERE deployment scenarios (see Routing and Policy Management for a description of the different routing configurations).

    Excerpt IncludeSupported Codecs and TranscodingSupported Codecs and TranscodingnopaneltrueCodec Entry1

    This attribute specifies the codec entry with a priority of "1". For each codec entry, select the desired codec. Codec IDs available by default are:

    • G711-DEFAULT
    • G711SS-DEFAULT
    • G723-DEFAULT
    • G723A-DEFAULT
    • G726-DEFAULT
    • G729A-DEFAULT
    • G729AB-DEFAULT
    Codec Entry2 This attribute specifies the codec entry with a priority of "2". For each codec entry, select the codec entry ID as specified in codecEntry1.Codec Entry3 This attribute specifies the codec entry with a priority of "3". For each codec entry, select the codec entry ID as specified in codecEntry1.Codec Entry4 This attribute specifies the codec entry with a priority of "4". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry5This attribute specifies the codec entry with a priority of "5". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry6This attribute specifies the codec entry with a priority of "6". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry7This attribute specifies the codec entry with a priority of "7". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry8This attribute specifies the codec entry with a priority of "8". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry9This attribute specifies the codec entry with a priority of "9". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry10This attribute specifies the codec entry with a priority of "10". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry11This attribute specifies the codec entry with a priority of "11". For each codec entry, select the codec entry ID as specified for codecEntry1.Codec Entry12This attribute specifies the codec entry with a priority of "12". For each codec entry, select the codec entry ID as specified for codecEntry1. Packet to Packet Control  Transcode

     Transcode options:

    • conditional (default)
    • determinedByPspForOtherLeg
    • only
    • transcoderFreeTransparency

     

    Note

    If you configure Packet To Packet Control for “Transcode Free Transparency”, ensure you also set Late Media Support to ‘passthru’ ( refer to Trunk Group - SIP Trunk Group and SIP Trunk Group - Media).

    Conditions in Addition To No Common Codec The 
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    performs transcoding when any of the specified conditions are met, including no common codec on ingress and egress legs.Apply Fax Tone Treatment

     Apply fax tone treatment. The options are:

    • disable (default)
    • enable
    Different DTMF Relay

    Enable this flag to perform transcoding when the ingress and egress call legs use different DTMF relay methods. The options are:

    • disable (default)
    • enable
     Different Packet Size

     Enable this flag to perform transcoding when the ingress and egress call legs use different packet sizes. The options are:

    • disable (default)
    • enable
     Different Silence Suppression

    Enable this flag to perform transcoding when the ingress and egress call legs use different silence suppression methods. The options are:

    • disable (default)
    • enable
     Honor Offer Preference

    Enable this Honor Offer Preference (HOP) flag to honor the codec preference of the peer's offer when the 'Honor Remote Preference' flag on the PSX is enabled.  This option is available only when transcode = conditional. (See the table below describing SBC behavior when this flag is enabled/disabled). The options are:

    • disable (default)
    • enable
    Honor Answer Preference

    The SBC triggers a new offer towards the other side when an answer is received for a re-INVITE from this side. The re-INVITE generated on the other side carries all possible codecs in Route Packet Service Profile that causes the most preferred codec of the other side peer to be modified. Enable this Honor Answer Preference (HAP) flag to lock down the most preferred codec towards the peer irrespective of re-INVITE received for mid-call modification from this side. (See the table below describing SBC behavior when this flag is enabled/disabled). The options are:

    • disable (default)
    • enable
     
    Caption
    0Table
    1honorAnswerPreference vs. honorOfferPreference

     

    HOP Flag StateHAP Flag StateSBC Behavior
    enabledisableThe SBC selects a codec order of precedence in the offered SDP, irrespective of whether it is a pass-through or transcoded codec (if transcoding is defined for that codec). The SBC as part of media lock-down may send a re-INVITE to egress peer. Note that the preference on the answerer side is given to a pass-through codec.
    enableenableThe SBC gives preference to HAP over HOP in case of conflict. The Honor Remote Preference (HRP) flag on the answerer leg decides the preference order. Based on that preference list, the SBC selects a codec with highest preference from answer SDP that can be used even if it requires transcoding. Note that this may cause the selection of a codec on the other side leg not to be honored. This happens in case of a pass-through call.
    disableenableThe SBC gives preference to answerer codec order that is created based on HRP flag. The most preferred codec is chosen as received in the answer SDP, irrespective of whether it is a pass-through or a transcoded codec (if transcoding is defined for that codec).
    Codecs Allowed for TranscodingUse this parameter to specify codecs allowed for transcoding, and which leg to apply it to.This Leg(see codec list below)Other Leg(see codec list below)
    amrefrevrcg711a
    g711ug722g726g729
    g7221g7222g7231ilbc
    t38   
    Flags Disallow Data Calls

    Enable flag to disallow data calls. The options are:

    • disable (default)
    • enable
    Digit Detect Send Enabled

    Flag to specify whether digit detection is enabled on digits sent to the network. The options are:

    • disable (default)
    • enable

    INFO: See Digit Detect Send Enabled Settings for KPML table below to understand which PSP leg to enable this flag for the desired KPML functionality.

    Use Direct Media

    Enable flag to use direct media as needed. The options are:

    • disable (default)
    • enable
    Validate Peer Support For Dtmf Events

    Flag to validate peer support for DTMF events. Enable this flag for all peer devices that support RFC 4733. The options are:

    • disable (default) – 
      Spacevars
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      does not validate the presence of DTMF events in the offer or answer from the peer. If DTMF relay is enabled, 
      Spacevars
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      transmits DTMF digits received from the other leg to this peer using the named event RTP payload.
    • enable – 
      Spacevars
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      validates the presence of DTMF events in the offer or answer from peers that support RFC 4733. If DTMF Relay is enabled and events 0-15 are received (with no other combination or subset of events), 
      Spacevars
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      forwards the events in the egress leg to this peer using the named event RTP payload. When 
      Spacevars
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      is configured for a pass-through call and it receives DTMF events other than 0-15 from the ingress peer, it does not offer any DTMF events to the egress endpoint.
    Interwork Dtmf Without Transcoding

    Enable flag to interwork DTMF with out-of-band RFC2833 without using transcoding. The options are:

    • disable (default)
    • enable
    Note

    If you enable Interwork Dtmf Without Transcoding, ensure Preferred Rtp Payload Type For Dtmf Relay is set to a valid value (96-127). If Preferred Rtp Payload Type For Dtmf Relay value is invalid (set to "128"), the system may fail to pick up the value configured using "set system dspPad rtpDtmfRelay" command because DSPs are not used for the call.

    Dscp Passthrough

    When enabled on both the Ingress and Egress call leg, the DSCP value in the IP header of the media packets is transparently passed through the system. Once media is received from the peer, any value set in the Type Of Service field on the Packet Service Profile has no effect when Dscp Passthrough is configured on both legs for the associated call. The options are:

    • disable (default)
    • enable
    Ssrc Randomize

    Enable flag to generate a new SSRC (using a random value) along with a new time stamp on a new RTP stream whenever a resource is reactivated (due to change in codec, etc.). SSRC randomization reduces the probability of collision in large groups and simplifies the process of group sampling that depends on uniform distribution of SSRCs. The options are:

    • disable (default)
    • enable
    T38 Data Rate Management Type

    The following Data Rate Management Types are supported:

    • type1LocalGenerationOfTcf – Type 1 data rate management requires that the Training Check Frame (TCF) training signal is generated locally by the receiving gateway. Data rate management is performed by the emitting gateway based on training results from both PSTN connections. Type 1 is used for TCP implementations and is optionally used with UDP implementations.
    • type2TransferOfTcf Type2 Transfer Of Tcf – (default) Type 2 data rate management management requires that the TCF is transferred from the sending gateway to the receiving gateway rather than having the receiving gateway generate it locally. Speed selection is done by the gateways in the same way as they would on a regular PSTN connection. Data rate management type 2 requires the use of UDP and is not recommended for use with TCP.
    Low Speed Number Of Redundant Packets This field specifies the number of redundant IFP messages sent in a UDP packet for T.38 low speed fax transmission, and applies only if the T.38 error correction type is redundancy. (range: 0-2 / default = 1).Max Bit Rate

    Use this object to select the T.38 Maximum Bit Rate maximum bit rate which controls and manipulates bits 11, 12, 13, and 14 in the DIS command received by the SBC from either the TDM circuit interface or the T.38 packet interface:

    • 2.4Kbits_s – For modem type ITU-T V.27ter fall-back mode.
    • 4.8Kbits_s – For modem type ITU-T V.27ter.
    • 9.6Kbits_s – For modem types ITU-T V.27ter and V.29.
    • 14.4Kbits_s – (default) For modem types ITU-T V.27ter, V.29, and V.17. This setting is used to constrain the type of modem modulation schemes.
     
    Number Of Redundant PacketsUse this parameter for high-speed fax relay to specify the number of redundant Internet Facsimile Protocol (IFP) messages sent in a User Datagram Packet (UDP) for fax transmission. (range: 0-2 / default = 1).  Ecm Ecm Preferred

    Use this flag to allocate DSP resources, when available, for T.38 Error Correction Mode (ECM) calls.

    • disable Disable – (default) use normal resource allocation.
    • enable
     
    • Enable
    Secure Rtp Rtcp 
    Include Page
    _PSP_DTLS_SRTP_limitation
    _PSP_DTLS_SRTP_limitation
    Crypto Suite ProfileA unique identifier for the Enter the name of a crypto suite profile. Refer to Security Profiles - Crypto Suite Profile.Flags Allow Fallback

    Enable flag this option to allow fallback to standard RTP/RTCP when crypto attribute negotiation fails. The options are:

    • disable Disable (default)
    • enableEnable
    Enable Srtp

    Enable this flag option to enable secure RTP/RTCP. The options are:

    • disable Disable (default)
    • enableEnable
    Reset ROCOn Key Change

    Enable flag this option to reset the SRTP Roll Over Counter when the session key changes. The options are:

    • disable Disable (default)
    • enableEnable
    Reset Enc Dec ROCOn Dec Key Change

    Enable flag this option to reset the Roll Over Counter for both encryption and decryption when decryption key changes. The options are:

    • disable Disable (default)
    • enableEnable
    Update Crypto Keys On Modify

    For an SRTP call, if this flag option is enabled in the Packet Service Profile and the call leg mode is changed from sendonly/inactive/recvonly to sendrecv, the SBC generates a new set of crypto attributes. The options are:

    • disable Disable (default)
    • enableEnable
    Video Calls Max Video Bandwidth

    The maximum allowable session bandwidth (in Kbps) for a call that includes video streams. This value includes the bandwidth for all streams in the call (audio, video, BFCP, and so on). If "0" is set as the value, video calls are not allowed; and only audio calls can be set up following the normal allocation process (range: 0-50000 Kbps / default = 10).

    Video Bandwidth Reduction Factor

    The amount, as a percentage, to reduce the session bandwidth allocation for calls that include video streams. This setting only affects the internal allocation of bandwidth used for the calls (does not affect the signaling). For example, if the reduction factor is "20", the bandwidth allocated for calls is reduced by 20%. In other words, if the normal bandwidth allocation for calls is 1000 Kbps, a 20% reduction equates to a new 800 Kbps bandwidth. (range: 0-100 / default = 0).

    Ipv4TosIPv4 type of service. (range: 0-255 / default = 0).Ipv6Traffic Class

    IPv6 traffic class. (range: 0-255 / default = 0).

    Info
    iconfalse
    titleNOTE:

    IPv6Traffic Class is

    Note

    Ipv6Traffic Class is not supported with H.323 calls.

    Ieee8021QVLan CosIEEE-802 1Q VLAN Class of Service. (range: 0-7 / default = 0)Codec List ProfileName of the Codec List profile used to store precedence and purge lists of video codec MIME subtypes.Audio Only If Video Is Prevented

    By default, this flag option is enabled to allow a call to continue with the audio portion only portion if the video cannot be established for any reason. The options are:

    • disableDisable
    • enable Enable (default)
    Audio Transparency Unknown Codec Packet SizeSpecifies the bit rate, in Kilobytes/second, required for bandwidth computation of unknown audio codecs. (range: 1-1000 KB/sec / default = 124)Unknown Codec Bit RateSpecifies the packet size, in milliseconds, required for Bandwidth computation of unknown audio codecs. (range: 5-100 ms / default = 10)DTLS 
    Include Page
    _PSP_DTLS_SRTP_limitation
    _PSP_DTLS_SRTP_limitation
    Dtls Crypto Suite ProfileSpecifies a unique identifier for the Enter the name of a crypto suite profile. Refer to Media - Packet Service Profile - DTLS.Dtls Flags Allow Dtls Fallback

    When enabled, specifies a fall back to standard RTP when crypto attribute negotiation fails. The options are:

    • Disable (default)
    • Enable
    Enable Dtls Srtp

    When enabled, this parameter enables the secure RTP. The options are:

    • Disable (default)
    • Enable
    Dtls Srtp Relay

    When enabled, the Relays relay of DTLS-sRTP SRTP audio and video streams are is enabled on the SBC. The options are:

    • Disable (default)
    • Enable
    Dtls Sctp Relay

    When enabled, the Relays relay of DTLS/SCTP streams are is enabled on the SBC. The options are:

    • Disable (default)
    • Enable

    Make the required changes to the required fields and click Save to save the changes. The copied Packet Service Profile is displayed at the bottom of the original Packet Service Profile in the Packet Service Profile List panel.original Packet Service Profile in the Packet Service Profile List panel.

    Anchor
    Digit Detect Send Enabled Settings for KPML
    Digit Detect Send Enabled Settings for KPML
    Digit Detect Send Enabled Settings for KPML

    Multiexcerpt include
    MultiExcerptNamedigitDetectSendEnabled
    PageWithExcerptPacket Service Profile - CLI

    To Delete Packet Service Profile

    To delete any of the created a Packet Service Profile, click :

    1. Click the radio button next to the
    specific Packet
    1. Packet Service Profile
    which
    1. that you want to delete.
    Caption
    0Figure
    1System Provisioning Packet Service Profile Highlighted
    Image Removed
    2. Click the Delete
    at
    1. icon (X) at the end of the
    highlighted
    1. row.
    A delete confirmation message appears seeking your decision.
    2. Confirm the deletion when prompted.

    Pagebreak

    Caption
    0Figure
    1System Provisioning - Packet Service Profile Delete Confirmation

    Image Removed

    Click Yes to remove the specific Packet Service Profile from the list.