The installation process typically involves uploading the firmware to your CUCM cluster and then instructing the phones to download and apply it. Step 1: Upload the Firmware Log in to the Cisco Unified OS Administration page. Navigate to Software Upgrades > Install/Upgrade.
The file is a firmware upgrade package for Cisco Unified IP Phone Go to product viewer dialog for this item. cmterm7975sip942sr4zip 2021
This filename follows Cisco’s legacy firmware naming convention for collaboration endpoints: cmterm7975sip942sr4zip 2021
: Indicates a Cisco Unified Communications Manager (CUCM) endpoint term. : The model number ( Cisco IP Phone 7975G : The protocol (Session Initiation Protocol). cmterm7975sip942sr4zip 2021
cmterm7975sip942sr4.zip Release: SIP 9.4(2)SR4 Device Model: Cisco Unified IP Phone 7975G Release Date: Approximately 2021 (Post-End-of-Sale support)