How does the OBiTalk point-to-point protocol work?

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azrobert:
1. I did some testing a long time ago. I deleted one of my devices from OBiTalk and was still able to do an Echo test, but a call to my other OBi failed. I then added the device to a 2nd OBi account. Now I was able to call the other OBi device. I don't know if anything has changed since my test.

2. I think the packets still flow thru the server, but I'm not sure. Maybe someone else can definitively answer your question.

ianobi:
Quote

2. So the call setup packets, of course, have to flow through the intermediary OBiTalk servers.  But, after the call is set up, do the voice packets flow through the OBiTalk server, or do they go directly from the calling party's IP address to the called party's IP address (and vice versa)?

The OBiTALK network uses what appears to be a proprietary form of SIP. The signalling sets up the call via the Obihai servers, then the RTP packets use the most direct route possible, as with a normal SIP call. If you have two OBi devices on a local network and dial from one to the other, then the RTP packets clearly show as staying within the local network.

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