The only protocol being implemented was purely SIP and only SIP ports were defined on the firewall.
Internal SIP calls works fine as well as external using Jabber video registered on VCS Expressway calling endpoint registered on the VCS Control. No issue on traversal call.
We configured DNS Zone with search rule on the VCS Expressway for B2B calling.
We tried to test B2B call using SIP from an endpoint (firstname.lastname@example.org) registered on the VCS Control calling an external endpoint (email@example.com) but encountered issue. Call doesn't established. On the VCSe Search history, call status "Not Found".
On the VCSe Search details, we can see these logs:
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...