Cmterm-7975-sip.9-4-2sr4 Info
: Connect the phone to the network and power it up. The phone will automatically register with the CUCM server if configured to do so.
If your 7975G is running a very old firmware version (e.g., version 8.x or early 9.x), it may fail to upgrade directly to 9.4(2)SR4. This is often due to file size limitations, code signing modifications ( .sgn changes), or flash memory constraints. You may need to stage an intermediate upgrade to a transitional step, such as version , before proceeding to 9.4(2)SR4. 2. TFTP File Transfer Timeouts cmterm-7975-sip.9-4-2sr4