How to Register Cisco IP Phones & Connect CallManager (CUCM) Cluster with CME or UC520, UC540. UC560 via H.323 Gateway

Learn how to connect CallManager Express (CME)and UC500 (UC520, UC540, UC560) with CallManager (CUCM)via H323 gateway. We cover necessary CME startup configuration and all necessary steps to connect it with CUCM cluster. IP Phone registration with CME and CUCM is also explained.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/922-cisco-voice-cucm-cme-h323.html