Chapter 3. Single-Site On-Net Calling
This chapter covers the configuration of CUCM for the support of on-cluster calling.
Endpoints
This section focuses on the features and characteristics of the H.323, Skinny Client Control Protocol (SCCP), and Session Initiation Protocol (SIP) endpoints that interwork with CUCM.
Endpoint Support
Cisco IP phones support SCCP and SIP and split into two categories:
• Type A phones: 7905, 7912, 7940, and 7960
• Type B phones: Most other modern Cisco phones
Cisco also has a software-based phone: the Cisco IP Communicator. Other Cisco endpoints are the Cisco Unified IP Phone 7985 (a desktop video phone), the Cisco Unified IP Phone 7920 and 7921 models (Wi-Fi phones), and the Cisco Unified IP Phone 7935 and 7936 ...
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