This section lists SIP Common IP Attributes Flags details grouped alphabetically.


IMPORTANT

Ribbon recommends using the Transparency Profile to configure transparency on the SBC Core for new deployments, as well as applying additional transparency configurations to existing deployments. Do not use IP Signaling Profile flags in these scenarios because the flags will be retired in upcoming releases.

Refer to the SBC SIP Transparency Implementation Guide for additional information.

Note

The SBC gives precedence to SIP Privacy handling when the SIP Adaptive Transparency Profile is enabled. For example, if the incoming SIP message has "privacy: Id" and the flag applyPrivacyId under profiles services privacyProfile is set to enabled, the SBC does not include P-ASSERTED-ID header in the egress message.

For more information on privacyProfile, refer to the following pages:

 Several flags prevent the SBC from relaying a re-INVITE, or an UPDATE, to the other leg of the call. When you enable such flags, the behavior is contradictory to that of the SIP Adaptive Transparency Profile. 

To resolve such conflicts, the SBC gives precedence to the SIP Adaptive Transparency Profile over the following flags:

  • Parent Object: profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags
    • relayDataPathModeChangeFromOtherCallLeg
    • minimizeRelayingOfMediaChangesFromOtherCallLegAll
    • disableMediaLockDown
    • lockDownPreferredCodec
    • callHoldInterworking 
  • Parent Object: addressContext <addressContext_name> zone <zone_name> sipTrunkGroup <sipTrunkGroup_name> signaling
    • sdp100relIwkForPrack
    • rel100Support
  • Parent Object: addressContext <addressContext_name> zone <zone_name> sipTrunkGroup <sipTrunkGroup_name> media
    • lateMediaSupport

 

For more information on the flags mentioned above, refer to the following pages:

For more information on SIP Adaptive Transparency Profile, refer to SIP Adaptive Transparency Profile - CLI.


Click a letter to go to the section listing all flags beginning with that letter.


a

Command Syntax

commonIpAttributes flags ( a )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags
	acceptAlertInfo <disable | enable>
	addPChargingFuncAddr <disable | enable> 
	addPathServiceRoute <disable | enable>
    aiToPemInterworking <enable | disable>

Command Parameters


Flags (a)

ParameterDescription
acceptAlertInfo

Enable flag for the SBC to process the URI specified in the Alert-info header received in the 180 ringing message and use the tone specified in the Alert-Info header as the Local Ring Back Tone to play.

  • disable (default)
  • enable

NOTE: When this flag is enabled, the tones processed override any incoming tones in the media stream. For example, when Accept Alert-Info is enabled, the SBC plays the tone specified in the Alert-info header of 180 ringing message overriding the inband tones included in the 180 ringing message.

NOTE:  When using PSX in your network, enable the acceptAlertInfo flag from PSX's IP Signaling Profile. \

addPChargingFuncAddr

Set (enable) this flag to add the stored value of the PCFA header to a request or response.The PCFA header value is stored based on the flag.

  • disable (default)
  • enable
addPathServiceRoute
Enable this flag to allow SBC acting as P-CSCF or IBCF to add two Path headers in REGISTER request towards the Core (createPathHeader must be enabled) OR allow SBC acting as IBCF to add two Service-Route headers in 200 OK response for REGISTER towards the P-CSCF (createServiceRouteHeadermust be enabled).
  • disable (default)
  • enable

NOTE: When noServiceRouteHdrForEmergencyRegistration flag is enabled, SBC does not add Service-Route headers for emergency registrations even if addPathServiceRoute and createServiceRouteHeader flags are enabled.

aiToPemInterworking

This flag is used to interwork between PEM and AI headers and the other way. This flag is configured on the IP Signaling Profile.

The options are:

  • disabled(default) 
  • enabled

If disabled, the SBC plays tone based on the LMSD format.  

If enabled, the SBC plays tone based on the interworking between the AI to PEM or PEM to AI  headers.

 For details, refer to Signaling - Alert-Info to P-Early Media Interworking - CLI 

 


c

Command Syntax

commonIpAttributes flags ( c )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	callHoldInterworking <disable | enable> 
	clearmodeForDataCalls <disable | enable>
	contactTransparencyForIsFocusMediaTag <disable | enable>
	createPChargingVector <disable | enable>
	createPVisitedNetworkId <disable | enable> 
	createPathHeader <disable | enable> 
	createServiceRouteHeader <disable | enable> 
	customizedSessionTimerBehavior <disable | enable>

Command Parameters


Flags (c)

ParameterDescription
callHoldInterworkingSet flag to enable Call Hold Interworking service between ISUP and SIP. The service converts an ISUP call hold to an SIP call hold, or vice-versa. Call holds are invoked by ISUP or SIP/H.323 endpoints. When disabled, call hold indications are dropped.
  • disable (default)
  • enable
clearmodeForDataCallsSet flag to enable the clearmode function for data calls.
  • disable – (default) If disabled for the SIP Egress call leg, legacy operation is signaled and payload type is assumed implicit (same on both sides). If disabled for the SIP Ingress call leg, legacy G.711 operation is accepted as well as Clearmode.
  • enable – If enabled for the SIP Egress call leg, Clearmode is sent using dynamic payload type. If enabled for SIP Ingress call leg, only Clearmode data calls are accepted.
contactTransparencyForIsFocusMediaTag

Enable flag to transparently pass Contact header for all requests and responses in outgoing message when "isFocus" parameter is received in Contact header.

  • disable (default)

  • enable

NOTE: This flag is configurable from an external PSX.

createPChargingVectorEnable flag to create a new PCharging-Vector header in outgoing message for INVITE and REGISTER messages. The PCharging-Vector header is also supported in SUBSCRIBE, OPTIONS, NOTIFY, MESSAGE, PUBLISH and REFER messages when received from same direction as REGISTER message. The P-Charging-Vector header contains the ICID value, ICID Generated at value and orig-ioi value. The string for orig-ioi value can be configured at egress trunk group.
  • disable (default)
  • enable
createPVisitedNetworkId
Enable flag to allow SBC acting as P-CSCF to insert a P-Visited-Network-ID Header in the egress REGISTER request with the P-Visited-Network-ID configured string.
  • disable (default)
  • enable
createPathHeaderEnable flag to create a new Path header in the outgoing REGISTER request.
  • disable (default)
  • enable
createServiceRouteHeader
Enable flag to create a new Service-Route header in the outgoing 200 OK response for REGISTER.
  • disable  (default)
  • enable

NOTE: When noServiceRouteHdrForEmergencyRegistration flag is enabled, SBC does not add Service-Route headers for emergency registrations even if addPathServiceRoute and createServiceRouteHeader flags are enabled.

customizedSessionTimerBehaviorWhen enabled, the remote peer expects customer-specific session timer behavior. When disabled, the remote peer expects the standard session timer behavior.
  • disable  (default)
  • enable

 


d

Command Syntax

commonIpAttributes flags ( d )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	disableAlsoHeader <disable | enable> 
	disableHostTranslation <disable | enable> 
	disableMediaLockDown <disable | enable> 
	disableReferToUriParameters <disable | enable> 
	discardReceivedReasonHeader <disable | enable> 
	doNotIncludeSsAttributeInReInvite <disable | enable>

Command Parameters


Flags (d)

ParameterDescription
disableAlsoHeader
Enable this flag to allow SBC to ignore the Also header if received from the remote peer and SBC does not send the Also header to the remote peer. When disabled, the SBC uses the Also header for call forwarding as usual.
  • disable (default)
  • enable
disableHostTranslationUse this flag to enable/disable host name translation. This applies to all URL style headers that require transparency and defines the processing that SBC is to apply to the host name portion of these headers before forwarding.
  • disable  (default)
  • enable
disableMediaLockDown

Enable this flag to allow SBC to disable media lock-down by not sending SIP re-INVITE/UPDATE messages in the following scenarios:

  • Multiple codecs are sent in the offer and multiple codecs (or their subsets) are received in the answer, and the call becomes transcoded.
  • Multiple codecs are sent in the offer and a single codec is received in the response.
  • Multiple codecs are sent in the offer and a single codec with codec attributes is received in the response.

 If the result is a pass-through codec, and the most preferred codec in the answer (first codec in the list) is same as the selected codec, the SBC disables media lock-down by not informing the egress peer using a re-INVITE.

If the SBC offers both pass-through and transcoding codecs, the minimizeRelayingOfMediaChangesFromOtherCallLegAll flag effectively suppresses the re-INVITEs to peers when the peer answers with a single codec. However, if the peer has multiple codecs, the minimizeRelayingOfMediaChangesFromOtherCallLegAll flag in certain situations cannot suppress the re-INVITEs as a change in one of the common codecs is detected. In these situations, if the SBC’s most preferred codec matches the peer's most preferred codec, enable the disableMediaLockDown flag to suppress this Modify Offer initiated by the SBC to lock down the codec.

If this flag is disabled, the SBC sends a modify offer to lock down the codec.

  • disable  (default)
  • enable
disableReferToUriParametersBy default, this flag is disabled thereby allowing parameters in the SIP URI Refer-To header to pass through to the outgoing INVITE URI. Enable this flag to prevent the parameters from passing through.
  • disable  (default)
  • enable
discardReceivedReasonHeader
Enable flag to ignore cause code in received Reason header. When disabled, the SBC uses the cause code in the received Reason header.
  • disable (default)
  • enable
doNotIncludeSsAttributeInReInvite
Enable flag to prevent SBC from sending silence suppression (no a=silenceSupp is sent) in the SDP to the remote peer. When disabled, and when silence suppression is off, the SBC sends a=silenceSupp:off in the SDP to the remote peer.
  • disable (default)

  • enable

NOTE: a=silenceSupp:on is never sent to remote peer in current implementation when silence suppression is on.

 


e

Command Syntax

commonIpAttributes flags ( e )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	enableDefaultPUIProcedures <disable | enable> 
	enableDialStringHandling <disable | enable> 
	endToEndBye <disable | enable>
	endToEndPrack <disable | enable>
	endToEndReInvite <disable | enable>
	endToEndUpdate <disable | enable>

Command Parameters


Flags (e)

ParameterDescription
enableDefaultPUIProceduresEnable this flag to allow default PUI procedures on egress trunk group. Note that the Privacy 'Transparency' flag must be disabled to allow this feature.
  • disable (default)
  • enable
enableDialStringHandling This flag is primarily used to enable/disable transparency of dial string (i.e username) received in request URI of INVITE message. Transparency does not occur, however, if PSX/ERE returns globalized or non-private called address. SBC performs dial string identification based on RFC 4967.
  • disable (default)
  • enable
endToEndBye 
For SIP-to-SIP calls, enable flag to prevent SBC from issuing the 200 BYE on the side initiating the disconnect until the 200 BYE is received from the other leg. When disabled, the SBC issues the 200 BYE on the side initiating the disconnect regardless of whether a 200 BYE is received from the other leg.
  • disable (default)
  • enable

endToEndPrack

When this flag is enabled, SBC forwards the received reliable provisional response without generating PRACK locally. It waits for the PRACK from ingress peer to generate PRACK towards egress peer.

  • disable (default)
  • enable

NOTE: This flag must be enabled when both endpoints support PRACK and the 100rel header extension.

endToEndReInvite

When this flag is enabled, SBC forwards the re-INVITEs received from one leg (with or without SDP) to the other leg.

  • disable (default)
  • enable
endToEndUpdate

When this flag is enabled, SBC forwards the Update (With SDP) received from one leg to the other leg.

  • disable (default)
  • enable

 


f

Command Syntax

commonIpAttributes flags ( f )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	fromHeaderAnonymisation <disable | enable>

Command Parameters


Flags (f)

ParameterDescription

fromHeaderAnonymisation

Enable this flag to prevent the FROM header of INVITE message from being anonymized. The SBC always relays the FROM header of INVITE.

  • disable (default)
  • enable

 


i

Command Syntax

commonIpAttributes flags ( i )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	includeIpPortsInFromAndToHeaders <disable | enable> 
	includeReasonHeader <disable | enable> 
	includeSsAttributeInInitialInvite <disable | enable> 
	includeTransportTypeInContactHeader <disable | enable>
	insertPAccessNetworkInfo <disable | enable>
	insertPeerAddressAsTopRouteHeader <disable | enable>
	insertUEFlowInfo <disable | enable>

Command Parameters


Flags (i)

ParameterDescription
includeIpPortsInFromAndToHeaders When enabled, port numbers are included with IP addresses in the From and To headers of SIP messages. When disabled, port numbers are not included with IP addresses.
  • disable (default)
  • enable
includeReasonHeader 
When enabled, the SBC includes the Reason header in 18x, 4xx, 5xx, Cancel, and Bye messages in the forward direction. It is provisioned on the egress trunk group.
  • disable (default)
  • enable
includeSsAttributeInInitialInvite Enable this flag to send the 'a=silenceSupp:off' in the Initial Invite SDP to the remote peer when Silence Suppression is OFF. When disabled, 'a=silenceSupp' is not sent in the Initial Invite SDP to the remote peer. Note that 'a=silenceSupp:on' is never sent to the remote peer in the Ribbon implementation when Silence Suppression is ON.
  • disable (default)
  • enable
includeTransportTypeInContactHeader

This flag is used by an SBC configured for an external PSX.

When this flag is enabled, the SBC includes the Transport Type parameter in the Contact headers of 3XX responses. The PSX sends the value of this flag in a DIAMETER response to the SBC.

When this flag is disabled, the SBC does not include the Transport Type parameter.

  • disable (default)
  • enable

NOTE: Ensure passcompletecontactHeader flag is disabled (except for the REGISTER method) to obtain the desired behavior.

insertPAccessNetworkInfo

Enable flag to construct and send PANI with received location info.

  • disable (default)
  • enable
insertPeerAddressAsTopRouteHeader
When enabled, the SBC SIPE inserts the IP address of the next hop in the top route header of the egress INVITE. This is required when the SBC acts as a IMS BGCF proxy, and also supports SIPconnect compliance for direct inward dialing.
  • disable (default)
  • enable
insertUEFlowInfo

 Enable flag to send P-UE-Flow-Info header towards core.

  • disable (default)
  • enable

 


l

Command Syntax

commonIpAttributes flags ( l )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	lockDownPreferredCodec <disable | enable>

Command Parameters


Flags (l)

ParameterDescription
lockDownPreferredCodec

Enable this flag to maintain the most preferred codec of the leg on which it is enabled even if it requires transcoding. This feature also suppresses the re-INVITE triggered on the leg (on which it is enabled from the SBC) due to a MODIFY offer received from the other leg as part of mid-call codec modification.

  • disable (default)
  • enable

NOTE: This flag must be enabled in conjunction with minimizeRelayingOfMediaChangesFromOtherCallLegAll flag to produce desired results.

NOTE: When this flag is enabled, the flag “relayDataPathModeChangeFromOtherCallLeg” must also be enabled to propagate HOLD Modify Offers (any modify offer that changes the data-path-mode).

 


m

Command Syntax

commonIpAttributes flags ( m )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	mapCauseLocation <disable | enable> 
	mapSuspendResumeEventInPSvcInfoHeader <disable | enable> 
	mapUuiInPSigInfoHeader <disable | enable> 
	mimeCausePrecedeReasonHeaderCause <disable | enable> 
	minimizeRelayingOfMediaChangesFromOtherCallLegAll <disable | enable>
	mapDpmToSendrecvForInitialDialog <disable | enable>

Command Parameters


Flags (m)

ParameterDescription
mapCauseLocationEnable this flag to add the cause location is added to or retrieved from the SIP Reason header when mapping ISUP-to-SIP or SIP-to-ISUP signaling (you must also enable the Include Reason Header function). ISUP (and other protocols) indicate where in the network a call release was initiated from; this option enables the SIP Reason header to carry the cause location as well as the cause value. When flag is disabled, cause location mapping is off.
  • disable (default)
  • enable
mapSuspendResumeEventInPSvcInfoHeader
Enable this flag to map the suspend/resume event in the P-Svc-Info header. When disabled, the SBC does not map the suspend/resume event in the P-Svc-Info header.
  • disable  (default)
  • enable
mapUuiInPSigInfoHeader
Enable this flag to map the UUI parameter into the SIP P-Sig-Info header. When disabled, the SBC does not map or include the UUI parameter.
  • disable (default)
  • enable
mimeCausePrecedeReasonHeaderCauseWhen enabled, the cause value is mapped from the MIME body of the incoming message based on the Q.1912 standard. When disabled, the cause value is mapped from the Reason header based on the RFC3398 standard 
  • disable (default)
  • enable
minimizeRelayingOfMediaChangesFromOtherCallLegAll

The advertised Ribbon SIP SDP is described as a set of capabilities that the SBC can receive. The SBC by default issues a Modify Offer (re-INVITE, UPDATE) whenever it detects a change in receive capabilities. In certain scenarios, the Modify Offer can be perceived as redundant. Enabling this flag suppresses redundant Modify offers being sent from the SBC.

When enabled, the SBC suppresses modify offers that have no changes to the “common codecs” that impact the end-user experience. “Common codecs” are codecs that exist both in the initial offer and answer. Changes to common codecs imply changes to DTMF, packetization time, codec specific FMTP attributes and data-path-mode.

  • disable (default)
  • enable
mapDpmToSendrecvForInitialDialog

When this parameter is enabled, direction attribute a=sendrecv is sent in the outgoing initial invite when a=inactive is received in the Invite from other side, or a=sendrecv is sent in responses to initial invite when the response from other side is received with a=inactive.

  • disable (default)
  • enable

 


n

Command Syntax

commonIpAttributes flags ( n )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	noContentDisposition <disable | enable> 
	noPortNumber5060 <disable | enable>
	noServiceRouteHdrForEmergencyRegistration <disable | enable>
	noUserinfoInContactHeader <disable | enable>

Command Parameters


Flags (n)

ParameterDescription
noContentDispositionThe Content Disposition header format in SIP messages expected by the remote peer. When enabled, the remote peer expects no Content Disposition header. When disabled, remote peer expects the standard SIP message format which includes Content Disposition header.
  • disable  (default)
  • enable
noPortNumber5060
Use this parameter to control whether port number 5060 is sent to the remote peer in the Request-URI of PRACK, ACK, and BYE messages. 
When enabled, the outgoing SIP URI does not include port number 5060 (sip:user@host). In addition, SBC only sends out the Record-Route and Route headers of SIP request and response messages with the port number it receives, such that if the SBC does not receive a port number in Record-Route headers, the SBC does not send out a port number in the Record-Route and Route headers.

When disabled, the outgoing SIP URI includes port number 5060 (sip:user@host:5060). In addition, if SBC does not receive a port number in Record-Route headers of SIP request and response messages, the SBC inserts port number 5060 into the outgoing Record-Route and Route headers.
  • disable (default)

  • enable 

NOTE: Enable this flag to allow DNS NAPTR/SRV lookups.

noServiceRouteHdrForEmergencyRegistration

When this flag is enabled, SBC does not add Service-Route headers for emergency registrations even if addPathServiceRoute and createServiceRouteHeader flags are enabled.

  • disable (default)

  • enable

noUserinfoInContactHeaderWhen this flag is enabled, the remote peer expects no userinfo component in the Contact header URI. When disabled, the remote peer expects the standard format of the Contact header, which includes the userinfo component.
  • disable (default)
  • enable

 


o

Command Syntax

commonIpAttributes flags ( o )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	onlySelectedCodecInSessionRefresh <disable | enable>

Command Parameters


Flags (o)

ParameterDescription
onlySelectedCodecInSessionRefreshWhen this flag is enabled, the SDP in a session keep-alive re-INVITE message will only include the currently-selected codec for the call. When disabled, the SDP in a session keep-alive re-INVITE message will be identical to that in the last offer. See example below.
  • disable (default)
  • enable

NOTE: The o-line of the SDP will be identical to that in the last offer.


Example:

--> The SBC sends an INVITE including Codec-A and Codec-B

<-- An 18x message is received identifying Codec-B.

--> The SBC sends a keep-alive re-INVITE depending upon the flag setting:

  • disable: SBC sends keep-alive re-INVITE with both Codec-A and Codec-B included
  • enable: SBC sends keep-alive re-INVITE including Codec-B


p

Command Syntax

commonIpAttributes flags ( p )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	pCalledPartyIDSupport <disable | enable> 
	pChgMsgInfo <disable | enable> 
	publishIPInHoldSDP <disable | enable>

Command Parameters

Flags (p)

ParameterDescription
pCalledPartyIDSupport
Enable flag to allow SBC acting as P-CSCF to store pCalledPartyID header when a call destined to UE is received from IMS core network.
SBC inserts P-Asserted-Identity header in the 18x/2xx responses received from UE towards core and places the stored P-Called-Party-ID information in the PAI header.
  • disable (default)
  • enable
pChgMsgInfo
When enabled, the SBC adds a P-ChgMsg header to a SIP INFO or a 183 Session Progress (which it selects depends on the call state). The P-ChgMsg header contains the interworked ISUP CHG with TLEC information. When disabled, this function is disabled.
  • disable (default)
  • enable

publishIPInHoldSDP

Enable flag to include the SBC's IP address in the SDP  for hold.

  • disable (default)
  • enable

r

Command Syntax

commonIpAttributes flags ( r )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	reQueryPsxOnRegisterRefresh <disable | enable> 
	rejectRefer <disable | enable>
	relayDataPathModeChangeFromOtherCallLeg <disable | enable>
	replaceHostOnViaHeader <disable | enable> 
	restrictHistoryInfoHeader <disable | enable> 
	routeUsingRecvdFqdn <disable | enable>

Command Parameters


Flags (r)

ParameterDescription
reQueryPsxOnRegisterRefresh
When enabled, the SBC will re-query the PSX when it receives a register refresh message, which may result in a new or updated result for the register relay. When disabled, the SBC does not re-query the PSX on a register refresh. This setting must be made on the ingress trunk group profile facing the registered endpoint.
  • disable (default)
  • enable
rejectRefer
When enabled, the SBC rejects SIP REFER messages from the peer and responds with a 405 Method Not Allowed message.
  • disable (default)
  • enable
replaceHostOnViaHeaderUse flag to replace IP address of the top-most via header on the outgoing request with IP address or hostname present in the top-most via header received.
  • disable (default) – SBC defaults to B2BUA behavior where the VIA header contains local SIP signaling address.
  • enable – Replaces the IP address of via header on the initial outbound INVITE or REGISTER with the address received in the via header of the incoming request.
relayDataPathModeChangeFromOtherCallLeg

When this flag is enabled in conjunction with minimizeRelayingOfMediaChangesFromOtherCallLegAll flag,the HOLD modify offers (more specifically, any modify offer that changes the data-path-mode) are propagated.

  • disable (default)
  • enable

NOTE: The relayDataPathModeChangeFromOtherCallLeg flag is only available when minimizeRelayingOfMediaChangesFromOtherCallLegAll is enabled.

restrictHistoryInfoHeaderEnable this flag to restrict History InfoHeader Flag depending upon the Privacy header or Privacy URI.
  • disable (default)
  • enable
routeUsingRecvdFqdnEnable flag to use the FQDN received in contact header of Refer-To/3xx for routing.
  • disable (default)
  • enable

s

Command Syntax

commonIpAttributes flags ( s )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags 
	sdpOlineOnlyCompares <disable | enable> 
	sendAllAllowedCodecsForLateMediaInviteOrReInvite <disable | enable> 
	sendDirectMediaInfoInSdpAttribute <disable | enable> 
	sendOnlyPreferredCodec <disable | enable>
	sendPtimeInSdp <disable | enable> 
	sendRTCPBandwidthInfo <disable | enable>
	sendRtcpPortInSdp <disable | enable> 
	sendSBCSupportedCodecsForLateMediaReInvite <disable | enable>
	selectCoreStreamForMultiStreamAudioOrImageCall <disabled | enabled>
		disableNonCoreAudioAndImageStreams <disabled | enabled>
    sessionTimerRefreshUpdate <disable | enable> 
	setAcceptHeaderToApplicationSdpOnly <disable | enable> 
	setOlineDash <disable | enable> 
	setSessionVersionZero <disable | enable> 
	setSlineDash <disable | enable> 
	skipPsxQueryForRefer <disable | enable> 
	storePChargingFuncAddr <disable | enable> 
	storePChargingVector <disable | enable> 
	storePathHeader <disable | enable> 
	storeServiceRouteHeader <disable | enable>
	supportCallInfoWithSipCause608Rfc8688 <disable | enable>
	supportSCSCFRestorationProcedures <disable | enable>
  	suppressE2ESessionRefresh <disable | enable> 
	suppressMinSeIfNotReceived <disable | enable>
    suppressReferRelayFromOtherLeg <enabled | disabled> (default: disabled)

Command Parameters


Flags (s)

ParameterDescription
sdpOlineOnlyComparesWhen enabled, the SBC checks only the o-line when comparing SDPs. When disabled, the SBC checks the entire SDP body when comparing SDPs.
  • disable (default)
  • enable
sendAllAllowedCodecsForLateMediaInviteOrReInvite

The sendAllAllowedCodecsForLateMediaInviteOrReInvite flag controls the handling of audio codecs that the SBC offers in response to a late media INVITE or re-INVITE without SDP for transcoded calls.

  • When this flag is in disabled state for transcoded calls (default behavior), the SBC offers the codec used for transcoding on the leg.
  • When this flag is in enabled state for transcoded calls, the SBC offers multiple codecs which include:
    • The subset of the codecs that the associated peer supports.
    • The transcoded codecs that the associated DSP channel supports which includes the codec currently used for transcoding.

For pass-through calls, the SBC always offers a subset of the codecs advertised by the associated peer. The SBC Offer codec list is classified as a subset because the list applies the codec policy filters.

Configuration options:

  • disable (default)
  • enable
Note

Refer to SDP Support for examples of the above behavior.

sendDirectMediaInfoInSdpAttribute
Enable flag to send direct media information in the SDP attribute X-DMI.

  • disable (default)

  • enable

Note

The 'directMediaAllowed' flag must be disabled on the associated trunk group.


Caution

You must enable the sendDirectMediaInfoInSdpAttribute flag for

  • any IPSP where you expect to include the X-DMI attribute in SDP, regardless if direct media is enabled or disabled, and for
  • any trunk that might receive an INVITE from direct-media-enabled trunks.

sendOnlyPreferredCodec  

Enable this flag on Answer side to send a single preferred codec in an Answer for an Initial Offer or re-Invite. Enable flag on Offer side to send the most preferred codec in a re-INVITE offer. When disabled, the SBC sends all possible pass-through codecs in the route Packet Service Profile when the call is answered.

This flag is used primarily in pass-through cases where more than one pass-through codec is possible. When generating an answer, the SBC chooses the most preferred codec based on the ordered list created by Send Route Preference (SRP)/Honor Remote Preference (HRP). Note that when this flag is disabled SBC sends all possible pass-through codecs in the answer or the Route Packet Service Profile when generating a re-INVITE offer. For offers generated by the SBC, especially in HOLD/RESUME cases, only the most preferred codec is sent in a re-INVITE offer when this flag is enabled.

  • disable (default)
  • enable
sendPtimeInSdpEnable flag to allow the SBC to send a=ptime in the SDP. This parameter takes effect only when the trunk group parameter, directMediaAllowed, is disabled.
  • disable (default)
  • enable

Note: If the flag is enabled in the ingress IP signaling profile only, the SBC only sends the ptime attribute in the SDP in the ingress signaling. However, if the flag is enabled in the egress IP signaling profile, the SBC sends the ptime attribute in the SDP in both the ingress and egress signaling.

sendRTCPBandwidthInfo

Enable flag to send the RR and RS bandwidth information, as well as "b=RR:" and "b=RS:" in the SDP offer.

  • disable (default)
  • enable
sendRtcpPortInSdp
When enabled, the SBC adds the attribute,a=rtcp:<rtcpPort> to the audio and video m lines in the outgoing SDP (Rtcp port mentioned will be SBC RTP port + 1).
  • disable (default)
  • enable
sendSBCSupportedCodecsForLateMediaReInvite

This flag determines if the SBC includes all pass-through and transcodable codecs supported on that leg in the SDP offer sent in the 200 OK response to a late media re-INVITE request.The options are:

  • enable
  • disable (default)

This flag takes precedence over the sendAllAllowedCodecsForLateMediaInviteOrReInvite flag and the sendOnlyPreferredCodec flag in the IP Signaling profile. The SIP trunk group media flag lateMediaSupport must be set to convert for the behavior enabled by the sendSBCSupportedCodecsForLateMediaReInvite flag to apply.

selectCoreStreamForMultiStreamAudioOrImageCall

When enabled, the SBC selects the core stream based on the Route PSP from multiple audio or image streams received in the incoming offer. The dependent flag disableNonCoreAudioAndImageStreams is visible for configuration only when this flag is enabled.

  • disabled (default)
  • enabled
  disableNonCoreAudioAndImageStreams

This dependent parameter is available for configuration only when selectCoreStreamForMultiStreamAudioOrImageCall is enabled. Use this option to disable all non-core audio and image streams by setting the port to "0" irrespective of codecs allowed by the Route PSP and T.38 configuration. If enabled, the SBC relays all non-core audio and image streams with port set to "0".

  • disabled (default)
  • enabled
sessionTimerRefreshUpdate
Enable flag to control session timer refresh method with SIP peers via UPDATE messages. When disabled, the SBC sends INVITE messages.
  • disable (default)

  • enable

setAcceptHeaderToApplicationSdpOnlyUse flag to specify the Accept header format in SIP messages expected by the remote peer. When enabled, the remote peer receives a short Accept header format containing the application/SDP value only. When disabled, the remote peer receives the standard Accept header format containing all of the standard parameters.
  • disable (default)
  • enable
setOlineDashSpecifies the SDP O-Line format in the SDP of SIP messages expected by the remote peer. When enabled, the remote peer receives an O-Line format in which the username component is set to a "-" (dash). When disabled, the remote peer receives the standard O-Line format containing all of the O-Line parameters, including the username.
  • disable (default)
  • enable
setSessionVersionZero
Enable flag to set the session version to zero in the o-line of the outbound SDP. When disabled, the SBC assigns a session version randomly.
  • disable (default)
  • enable
setSlineDashSpecifies the SDP S-Line format in the SDP of SIP messages expected by the remote peer.
  • disable (default) – Remote peer receives standard S-Line format containing all of the S-Line parameters.
  • enable – Remote peer receives a short S-Line format containing a dash only (s=-).
skipPsxQueryForReferSet flag to skip the ERE query for Refer flag.
  • disable (default)
  • enable
storePChargingFuncAddrSet this flag to store the values received in the PCFA header in a request or response. The stored value is added to a subsequent response or a request based on the flag addPChargingFuncAddr.
  • disable (default)
  • enable
storePChargingVector

When this flag is enabled, the SBC stores the P-Charging-Vector (PCV) received in requests. When the response is forwarded back, the stored PCV is inserted and sent. If the SBC receives the PCV when this flag is disabled, the SBC ignores the PCV and does not log the CDR.

  • disable (default)

  • enable

Example of SBC acting as IBCF:

            INVITE (PCV1) --> SBC --> INVITE
           200 OK (PCV1) <-- SBC <-- 200 OK

storePathHeaderSet this flag to locally store (cache) a Path header received in an incoming REGISTER request.
  • disable (default)
  • enable
storeServiceRouteHeaderSet this flag to locally store (cache) a Service-Route header received in an incoming 200 OK response to REGISTER.
  • disable (default)
  • enable
supportCallInfoWithSipCause608Rfc8688

Enable this flag to process the Call-Info in a 608 SIP response code from the PSX, and then set the value in to the outgoing SIP response message (in support of RFC 8688).

  • disabled (default)
  • enabled
supportSCSCFRestorationProcedures

The SBC acting as P-CSCF rejects a request with 504 (Server Time-out) response carrying MIME body of type application/3gpp-ims+xml, if SBC does not receive any response to the request from S-CSCF network or the next hop address is blacklisted as part of ARS (Address Reachability Service) service (see IMS Restoration Procedures for additional details).

  • disable (default)
  • enable
suppressE2ESessionRefresh

When the endToEndUpdate and/or endToEndReInvite flags are enabled, the SBC relays an end-to-end session refresh UPDATE/re-INVITE to the other call leg. Enable this flag to override this behavior and allow the SBC to process the session refresh UPDATE/re-INVITE locally instead of relaying the session refresh messages end-to-end.


This flag is only available when the "End To End Update" and/or the "End to End re-INVITE" flags are enabled.


The SBC applies this flag on both the ingress and egress legs even if it is enabled on just one IPSP.

  • disable (default)
  • enable

Refer to UPDATE and re-INVITE Suppression for additional feature details.

suppressMinSeIfNotReceived

Enable flag to add Min-SE header to re-INVITEs/UPDATEs only if it exists in the previous offer/answer. When this flag is disabled, Min-SE is always added to session refreshes.

  • disable (default)
  • enable
suppressReferRelayFromOtherLeg 

This flag is significant only when the REFER_RELAY flag is enabled in the peer IPSP. 
When this flag is enabled, relaying of REFER is stopped and the REFER is locally processed. Hence, SBC transfers the call.

The options are:

  • disable (default)
  • enable

t

Command Syntax

commonIpAttributes flags ( t )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags terminalPortabilityInterworking <disable | enable>

Command Parameters


Flags (t)

ParameterDescription
terminalPortabilityInterworkingEnable flag to provide a service between ISUP and SIP to move a terminal from one socket to another, or to move a call from one terminal to another while the call is active.
  • disable (default)

  • enable

 


u

Command Syntax

commonIpAttributes flags ( u )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags usePsxRouteforRegisteredInvite <disable | enable>

Command Parameters


Flags (u)

ParameterDescription
usePsxRouteforRegisteredInvite

Enable flag to route INVITE from the core to the received PSX route for registered users, but not to the contact address of the RCB.

  • disable (default)
  • enable

 


v

Command Syntax

commonIpAttributes flags ( v )
% set profiles signaling ipSignalingProfile <profile_name> commonIpAttributes flags validateAccessNwInfoHeader <disable | enable>

Command Parameters


Flags (v)

ParameterDescription
validateAccessNwInfoHeader

Enable flag to prevent forwarding P-Access-Network-Info header when network-provided parameter is present. This flag is associated with Egress TG with respect to Request and Response message (Core Side).

  • disable (default)

  • enable

NOTE:  This is applicable for both INVITE and non-INVITE message and their responses.