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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

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is configured to play tones or not), and to not perform LMSD interworking.

If set to default, the

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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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