Undergoing following scenario which as per technology should work but not able to implement it:
1) Components available - CUCM 7.x, Polycom Video Phone (H323) , Cisco 7985 Video Phone , Normal PBX Phone
1) To assign a valid extension to all the Phone irrespective of whether it is Polycom, Cisco or PBX Phone
2) All the phone can talk to each other seamlessly
In case of PBX Phone= PBX Phone can reach to Cisco or Polycom unit via a PBX gateway. The calls from PBX phone is only Audio as PBX phone are not having Video support
Polycom Video phone can call Cisco 7985 without any access code.
Polycom and Cisco 7985 should register with their Valid DN to cisco Call Manger 7.x.
Any pointer toward the config for implementing this will be of great help