Over the LAN - Voice traffic over the LAN could technically be sniffed if you had a network analyzer directly on the switch port (not likely). However, even if you had the packets I don't know what that would get you.
Over the WAN - Typically IP Voice over the WAN is transmitted using VPN tunnels or other point to point connections (T1's for instance). This eliminates the eaves-drop problem.
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...