Understanding CMTERM-7975-SIP.9-4-2SR4-ZIP: A Guide to Cisco IP Phone Firmware Updates

Always perform a system backup before introducing new device packages or firmware versions into a production environment. Step-by-Step Installation Process 1. Uploading to CUCM

For the changes to take effect, the phones must be restarted. You can do this globally via the Device Defaults page or individually by selecting the specific device and clicking . Troubleshooting Common Issues