Yes, correct.. the trunk should be configured to use 711ulaw...and setting at the region also for the relationship between your phone and SIP trunk also must be set as g711 not system default. If not, the phone keep sending g729 to the SIP trunk, and MTP will not be sent over it..
You are hearing Tone-on-hold likely because you do not have an MOH server in the MRGL of the party being put on hold (The MRGL of the SIP trunk if the outside caller being put on hold) that contains the audio source of the party pressing hold.
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...