dears I am trying to register 7975 on cisco cucm 6 for testing but I couldn't find it on the list of available IP phone, when I tried to register it with 7970 it failed to register. any idea?

I am using EX90 with TC 7.1.4, my issue with camera which display my image on opposite side(upside down) even when I make a video call the other party will see my picture reversed upside down but I can see his picture fine.

I have intercluster trunk non gatekeeper controlled every think works fine except no rtp between ip phones between two clusters, I have noticed strange thing that when I restart the trunks between the two clusters the first call get successfully with...

  we are running ICM 7.1.4 with ccm 4.2.3 and CVP 3.1 (no vxml server) H323. we have a business requirement which is to transfer the customer to an IVR survey tree and to collect the CED from the customer to get the result of the survey. so in conclu...

dearswe are running IPCCE 7.1.4 CCM 4.2.3 CVP 3.1 and CTIOS 7.1.4 (no vxml server) H.323 wih GK, we have a requirement which is : customer called the CC and handled by agent after the call finished the agent should transfer the customer to an IVR sur...