intercom: add video preview call

baresip / baresip-apps

Baresip Applications Modules

BSD 3-Clause "New" or "Revised" License

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intercom: add video preview call #12

Closed cspiel1 closed 2 years ago

cspiel1 commented 2 years ago

The callee is able to identify an intercom call with configured Subject header and answers with a SIP 183 Session Progress for requesting early video.

e.g.:

INVITE sip:10.1.0.2 SIP/2.0
...
Subject: preview/12334123

with configured

icpreview_subject     preview

lets the callee request early video.