This version is often cited as the final or most stable SIP firmware for the 7900 series.
: Includes signed (authenticated) image files to prevent tampering during the upgrade process. cmterm-7975-sip.9-4-2sr4
: Designed for use with CUCM 6.0 and later, though it is frequently used in open-source PBX environments. Installation Overview This version is often cited as the final