I have a capture of a failed outbound fax call via SIP. Sometimes the calls work and sometimes they don't. I have attached the captured and wanted to see if someone could review the debug to help determine would could be causing the issue here. The called number is 8663336633. It is the only called number in the debug.
I'm seeing things like the following that stand out to me.
This is a fax machine and the users are getting a report on the fax machine that the call failed. If they try again, sometimes it works and sometimes it doesn't, they just keep trying and it eventually works. The dial-peer is setup for t38.
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...