I had worked on this for almost two days and finally managed to figure it out… lots of people are having issues converting Cisco 7940 from SIP to SCCP…
Make sure that you have the following files in your TFTP server:
– SIPdefault.cnf: change the first line, which is image_version: “P00307000200”, you might have something like “P003-08-8-00” which . . . → Read More: Coverting a Cisco 7940 SIP to SCCP
