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Back to Configuration - Profile Management

Back to Profile Management - Media Profiles

Back to Media Profiles - Packet Service Profile

Defines Packet Service Profile flags.

To View and Edit Flags

On SBC main screen, go to Configuration > Profile Management > Category: Media Profiles > Packet Service Profile > Flags.

Select the desired Packet Service Profile from the drop-down list to view its respective Flags parameters.

The Flags window is displayed.

Profile Management - Media Profiles - Packet Service Profile - Flags

The following fields are displayed:

Packet Service Profile - Flags

Parameter

Description

Disallow Data
Calls

Disallow Data Calls Flag. Specifies whether data calls are allowed. If enabled, digit data calls are rejected.

Digit Detect
Send Enabled

Digit Detect Send Enabled Flag. Specifies whether digit detection is enabled on digits sent to the network.

Use Direct
Media

Administrative state to use the direct media:
• enable
• disable (default)

Validate Peer Support For DTMF Events

Administrative state to validate the peer support for DTMF events:
• enable
• disable (default)

Interwork Dtmf Without Transcoding

Specifies whether to enable Interworking DTMF OOB 2833 Without Transcoding option or not:
• enable
• disable (default)

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 will be transparently passed through the system. Once media has been received from the peer, any value set in the typeOfService field on the PSP takes no effect when dscpPassthrough is configured on both legs for the associated call. The options are:

• enable
• disable (default)

Ssrc Randomize

This parameter generates a new SSRC for the new RTP stream when re-activating the resource chain. The options are:

• enable
• disable (default)

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.

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

If Force Route PSPOrder flag is enabled, this flag does not affect the ordering of outgoing offer.

The flag Transcoder Free Transparency overrides this flag. If  Transcoder Free Transparency is enabled, this flag is ignored.

Prefer NBPassthru Over HDTranscode

Enable this flag to allow the SBC to choose NB-NB pass-through over HD-HD transcoded call.

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

This flag is valid only if HDCodec Preferred flag is enabled, and is applied when selecting a codec from answer.

The flag Transcoder Free Transparency overrides this flag. If  Transcoder Free Transparency is enabled, this flag is ignored.

Match Offered Codec Group If Nb Only

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

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

The flag Transcoder Free Transparency overrides this flag. If  Transcoder Free Transparency is enabled, this flag is ignored.

Force Route PSPOrder

Enable this flag to send the outgoing offer in the same order as egress route Packet Service Profile irrespective of HD/NB priorities.

If this flag is enabled, HDCodec Preferred flag does not affect the ordering of outgoing offer.

The flag Transcoder Free Transparency overrides this flag. If  Transcoder Free Transparency is enabled, this flag is ignored.

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

 

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