h.323

Video API For Building Video-Conference App

I'm going to be building an application within the next six months that will be functioning as a 2-way video-conferencing system, as well as sharing some other data back and forth. I'll probably be using some sort of relatively expensive USB webcam, and am aware of the USB Video Class Device standard, which seems to the way to go. Now,...

Detect H.323 by simple sniffing?

Is it possible to detect if a H.323 connection (phone call) is up by simple sniffing traffic on an adjacent node? ...

How does one capture H.323 voice traffic on a VOIP network?

What I am trying to do is capture the WAV data of a phone conversation on a VOIP network using SharpPCap/PCap.Net. We are using the H.323 recommendation and my understanding is that voice data is located in the RTP packets. However, there is no way to heuristically determine if a UDP packet is a RTP packet, so we have to do more work b...