If you have a clear idea regarding the process/steps involved on an IP phone registration, you can easily troubleshoot issues related to the registration. In this topic I have explained steps involved for both SIP and SCCP phones registration with the Cisco Unified Communications Manager. SCCP Phone Registration Process 1. SCCP phone obtains the Power…

Objective Resetting the Cisco IP Phone 7800 Series and Cisco IP Phone 8800 Series to default setting lets you revert all the settings of the phone to factory default settings. This is typically done when the phone needs to be rid of its settings and be configured with a new one. Applicable Devices 7800 Phone…