What handles negotiation of the video codec (H.261, H.263), resolution, frame rate, and H.323 annexes?
Which feature automatically switches between a range of video layouts according to the number of participants joining or leaving a conference?
What is the most cost-effective solution that will provide the resilience that the customer desires without upgrading or replacing the existing H.323 devices?
Which method of call routing would require a user to press the correct line on the phone when making a video call?