Cmterm-7975-sip.9-4-2sr4 !!top!! -

Transitioning a phone from SCCP to SIP changes how the phone handles authentication profiles. Ensure you have assigned a valid to the device configuration page in CUCM, otherwise, the phone may register successfully but fail to process inbound or outbound calls. Conclusion

Used for third-party TFTP servers or upgrading individual phones manually without a COP file. Step-by-Step CUCM Deployment Guide cmterm-7975-sip.9-4-2sr4

Deploying and maintaining Cisco Unified Communications Manager (CUCM) requires careful attention to firmware compatibility. For organizations utilizing the Cisco Unified IP Phone 7975G, the filename represents a critical software maintenance release. Transitioning a phone from SCCP to SIP changes