As of 2023-2025, Cisco restricts many 7965 firmware files behind a login, but some older versions are marked “public” or “unencrypted.”
The 7965 usually ships with SCCP. If you are using FreePBX or VoIP.ms, you need SIP firmware (specifically term65.9-4-2-1 or similar). Cisco Ip Phone 7965 Firmware Download
: Updates often include fixes for vulnerabilities that could be exploited by cybercriminals. As of 2023-2025, Cisco restricts many 7965 firmware
involves selecting the correct protocol (SCCP or SIP) and using either a Cisco Unified Communications Manager (CUCM) or a standalone TFTP server for the update. As of 2023-2025
: Used primarily for Cisco Unified Communications Manager (CUCM) or Cisco Unified Communications Manager Express (CME) .