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

 

Command Syntax

 

% set addressContext default zone defaultSigZone sipTrunkGroup TG1 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.

  • disabled (default) – The
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    plays tones based on the LMSD format. 
  • enabled – The
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    plays tones based on the interworking between the Alert-Info and P-Early Media headers. 
    NOTE: If applicable, use the ConvertAlertToProgress flag to convert the 180 response to a 183 response towards the ingress.
 

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