Hello There...I have cisco 2900 series router and we transformed to sip trunk recentrly, does this router model supports sip? needs a special license?and how's the configurations please.My network design is like this PSTN>>>Voice GW Router 2900>>>FIR...

Hi Team,Recently we upgraded from perpetual to A-Flex licenses for CUCM, and we upgrade the CUCM & CUAC-A versions to version14,We had 10 licenses for CUAC-A users in old version 12, can we migrate those licenses to new version?please I need urgent h...

Hi there,on CM when we add an extension normally we put a descrption for the phone such as the person name or the department like "Lab results, Technic" ..etc, but on our intranet when we check phone directories shows the descrption that I put on the...

Hi there,I have the ELM error while backing up CUCM, I tried different SFTP/FTP/FTPd servers there were the same error.I appreciate your help in advance.. 

what is Calling Party Transformation Patterns? and what can the configured number do?