[cisco-voip] Can Cisco UCM Support Multiple MTPs on same call?

[Matt Slaga (US)]

If I have a call coming in through SIP requiring MTP for codec translation, can I also have an MTP assigned to transcode?  

 

I.e., 

Incoming call on Direct SIP Trunk to UCM, MTP is required on the trunk.

 

Call is coming in G711 from SIP trunk, however Cisco UCM side is using G729.  

 

In theory, UCM SIP trunk would negotiate MTP resources required for the SIP trunk.

 

Also, UCM call coming from a remote phone or remote voice gateway at G729 would negotiate an MTP resource for transcoding.

 

 

 

 



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