Downloading and installing firmware for the depends on whether you are using a standard Cisco Unified Communications Manager (CUCM) environment or setting it up for a third-party SIP provider like Asterisk. Official Download & Versions
And one final deep truth: The Cisco 7965 will never receive another firmware update. The last release was 2020. Every day it runs, you are trading security for stability — and that’s a decision best made with eyes wide open. Cisco Ip Phone 7965 Firmware Download
: The latest stable versions for the 7965G are generally in the range (e.g., 9.4(2)SR2). Choose File Format COP.SGN files : Used for direct installation on CUCM servers. ZIP/TAR files Downloading and installing firmware for the depends on