Basically inbound CVP calls, transferred to agent can be done through SIP trunks without MTP, agent consult transfer to CVP will need MTP. If you configure MTP on the router, the RTP stream goes directly to the phones.
When IP phone dials a set of digits, it does not know where the call will be routed to. It's only after DA routes the call to SIP Trunk, then does SIP Trunk allocates a MTP. The signaling cannot be set via the MTP prior to call hitting the SIP Trunk since the IP phone does not know when the call is initiated that a MTP is needed.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...