Cmterm-7975-sip.9-4-2sr4 Updated May 2026

The file identifier cmterm-7975-sip.9-4-2sr4 denotes a firmware package intended for deployment on Cisco Unified Communications Manager (CUCM). This release enables the Cisco 7975G—a high-end, color-display business IP phone—to operate using the industry-standard SIP protocol rather than Cisco’s proprietary Skinny Client Control Protocol (SCCP).

: Includes improvements to image authentication, which prevents the phone from loading tampered or unauthorized firmware. cmterm-7975-sip.9-4-2sr4

<device> <deviceProtocol>SIP</deviceProtocol> <sshUserId>admin</sshUserId> <sshPassword>cisco</sshPassword> <sipServer> <host>192.168.1.100</host> <port>5060</port> <transport>UDP</transport> </sipServer> <line> <index>1</index> <authName>101</authName> <authPassword>secret</authPassword> </line> </device> The file identifier cmterm-7975-sip

. It is the Session Initiation Protocol (SIP) software image for Release 9.4(2) SR4 cmterm-7975-sip.9-4-2sr4

) is often the only way to clear the configuration and force it to pull the new firmware correctly. Power over Ethernet (PoE)