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Refer to Alert-Info and P-Early Media Headers Interworking for configuration details.

 

Command Syntax

 

% set addressContext <addressCopntext name> zone <zone name> sipTrunkGroup <sipTrunkGroup name> signaling aiToPemInterworking <disabled | enabled>

Command Parameters

Alert-Info to P-Early Media Parameter

Parameter
Description
aiToPemInterworking

Enable this flag on the egress trunk group to support Alert-Info and P-Early Media header interworking (whether the SBC is configured to play tones or not), and to not perform LMSD interworking.

If set to default, the SBC plays tones based on the LMSD format.

  • disabled (default) 
  • enabled

NOTE: If applicable, use the ConvertAlertToProgress flag to convert the '180 response' to a '183 session progress' towards the ingress.

 

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