An important task of supporting a Unified Communications (UC) deployment is managing the endpoints. It is important to be able to distinguish between various Cisco UC endpoints that you may encounter during the course of deploying and administering a CUCM network. Understanding the boot and registration communication between a Cisco IP Phone and CUCM can be very valuable for troubleshooting purposes.

This lesson describes the various models of Cisco IP Phones and how they work within a Cisco IP Telephony (CIPT) solution. This module introduces the basic features of Cisco IP Phones, the IP phone boot and registration process, and the audio coders-decoders (codecs) that are supported by Cisco IP Phones. The lesson also describes third-party Session Initiation Protocol (SIP) and H.323 endpoints.

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