First thing to check is the busy trigger on the line. Default is 4 max calls, with busy trigger at 2 calls. You can adjust that up to the limit set in the global settings, but i'm fairly certain that in theory it maxes out at 200 for a 794x series phone.
in your call manager pull up the directory number form for the phone device. at the very bottom there should be two fields for number of rings and busy trigger. default is usually 4 and 2 so you may want to change that 2 to a 3 or 4 on the busy trigger field.
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...