We are having an identical issue. Have not been able to determine the nature of the issue as of yet. T-mobile has blamed the phone system, the trunk and a multitude of other things, and I can't find anything about the way the system dials that would cause such a problem. My next try is going to be to try to alter the called and redirect number before it leaves the gateway, perhaps T-Mobile doesn't like the way they are being presented.
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...