The Cisco IP phone is best suited for CCMv4.1. But Non - Cisco IP telephone like Polycom, Tandberg, VCON, VTEL, and more will register with a Cisco call manager 4.1 server using H323 protocol with less feature than Cisco.
Getting Started
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:
