Connect IP SIP doorphone to Rainbow

Dear rainbow community,

I was wondering if anybody has tried to interface a third party SIP device to rainbow, either via WebRTC or through an OXO connected to rainbow? We are looking into deploying 2N or Commend IP doorphones. To get SIP voice functionality to a rainbow client is quite simple, using the OXO as gateway, but to get video working seems not that easy. Any experience out there?

Best regards,

Bernhard