Voip-Vet Posted November 14, 2018 Report Share Posted November 14, 2018 Pbxnsip Zeta Perseids / Grandstream GDS3710 Video Door System Problem : when DoorStation makes a call to the pbx and an extension takes that call, there is only audio from the doorstation to the Extension, not the other way around. When I make a direct IP¨connection from the doorstation to one of the phones, all is well. Sip log of a call in addendum : could anyone look into this to check what might be wrong ? Any ideas very much appreciated ! Many Thanks, Marc Pbxnsip Grandstream Doorphone Sip Log.txt Quote Link to comment Share on other sites More sharing options...
Vodia PBX Posted November 15, 2018 Report Share Posted November 15, 2018 Without really looking into the details (this is a pretty old version) the problem will be that the door phone sends a SDP with multiple m-lines, which probably confuses the PBX. What you can try here is to disable the video function on the door phone or make a backup and try and upgrade to version 62 to see if it works there without problems. Quote Link to comment Share on other sites More sharing options...
Voip-Vet Posted November 16, 2018 Author Report Share Posted November 16, 2018 Can I upgrade the Zeta Perseids version to a standard 62 version and have a trial period to see if it works. I see that the standard version has a 3-month trial period, giving me the time to check out if everything is working ... Are Snom 320 phones still supported ? Quote Link to comment Share on other sites More sharing options...
Voip-Vet Posted November 16, 2018 Author Report Share Posted November 16, 2018 According to the Grandstream Support, this Video Door Phone is compatible with any third party supporting SIP RFC 3261 standard. Can you tell me from what version Pbxnsip/Vodia supports this standard ? Quote Link to comment Share on other sites More sharing options...
Vodia PBX Posted November 16, 2018 Report Share Posted November 16, 2018 LoL RFC3261 has many concepts and ideas, e.g. we would love to see support for the In-Reply-To header from SIP trunk providers. Also SDP is not even in 3261. Anyway, I would just try it out with a demo code on version 62. Quote Link to comment Share on other sites More sharing options...
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