Hello Shameer,Looks like you have the difficult part of getting the voice and video working. To activate the door solenoid to release the lock, by default just press the zero key on the phone twice while in the call. You can change the key combinat...
I got it to work by changing the H.264 payload type (1) to 0 and change the H.264 payload type (2) to 97. These settings are in the Advanced Settings->Video Codec->Advanced RTP settings. This fixed the no video on 99XX phones when calling from Heli...