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SDP 100 Release Interworking For PRACK

The SBC Core supports Asymmetric PRACK Interworking for late media calls using the SIP Trunk Group signaling flag sdp100relIwkForPrack.

Command Syntax

Code Block
% set addressContext <addressContext_name> zone <zone_name> sipTrunkGroup <sipTrunkGroup_name> signaling sdp100relIwkForPrack <disabled | enabled>

Command Parameters

Caption
0Table
1SDP 100 Release Interworking For PRACK Parameters
3SDP 100 Release Interworking For PRACK Parameters
ParameterDescription
sdp100relIwkForPrack

Enable this flag to support Asymmetric PRACK Interworking for late media calls.

  • disabled (default)
  • enabled

Note: The SBC gives precedence to the SIP Adaptive Transparency Profile over this flag.

Command Examples

To enable the sdp100relIwkForPrack flag:

Code Block
languagenone
set addressContext default zone defaultSigZone sipTrunkGroup defaultSipTrunkGroup signaling sdp100relIwkForPrack enabled
commit

 

To display the status of the sdp100relIwkForPrack flag:

Code Block
show addressContext default zone defaultSigZone sipTrunkGroup defaultSipTrunkGroup signaling sdp100relIwkForPrack
sdp100relIwkForPrack enabled;
[ok][<YYYY-MM-DD> <HH:MM:SS>]

SDP Transparency

Use SDP Transparency object to enable sdpTransparencyState flag for transparently passing SDP information.

Info
titleNote

Direct Media must also be enabled to use SDP Transparency for this call.Refer to Zone - CLI for configuration details.

 

Command Syntax

Code Block
languagenone
% set addressContext <name> zone <name> sipTrunkGroup <name> signaling sdpTransparency sdpTransparencyState <disabled | enabled>

Command Parameters

Caption
0Table
1SDP Transparency Parameter
3SDP Transparency Parameter
ParameterDescription
sdpTransparencyState

Enable this flag on both legs to transparently pass SDP information for this call.

  • disabled (default)
  • enabled

Send SDP To PSX

Use this parameter to pass the SDP information to the PSX.

Info
titleNote

This flag is not applicable when the SBC is configured for ERE.

 

Command Syntax

Code Block
languagenone
% set addressContext <name> zone <name> sipTrunkGroup <name> signaling sendSdpToPsx <disabled | enabled>

Command Parameters

Caption
0Table
1Send SDP To PSX Parameter
3Send SDP To PSX Parameter
ParameterDescription

sendSdpToPsx

Enable flag to pass the SDP information to the PSX (excluding data up to the first occurrence of m-line).

  • disabled (default) 
  • enabled
 

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