Albin,
Industry standard for operating radio transceivers via SIP is EUROCAE-WG67 which describes ED137 protocol atop of SIP connection. They send all needed data inside the RTP extension header.
To use this approach, it takes to implement custom transport adapter for pjsip.
If you are not bound to such regulations, you may use SIP INFO packets as well, I suppose.
Best,
Andrey
From: "Albin Stigö" <albin.stigo@xxxxxxxxx>
To: "pjsip" <pjsip@xxxxxxxxxxxxxxx>
Sent: Воскресенье, 17 Апрель 2022 г 18:41:42
Subject: Data channels?
To: "pjsip" <pjsip@xxxxxxxxxxxxxxx>
Sent: Воскресенье, 17 Апрель 2022 г 18:41:42
Subject: Data channels?
I'm developing a a highly custom sip application for remote control of a radio transceiver. Along with audio I'd like to send custom application specific control messages. My best idea so far is INFO messages. Is there a better way, something like data channels in webrtc?
--Albin
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