[asterisk-users] Start audio call and enable video later

John Kiniston johnkiniston at gmail.com
Thu Jun 14 13:51:43 CDT 2018

I don't believe it's supported to start an audio call and then re-invite to
add video, I believe Asterisk requires the call to start as a video call.

On Mon, Jun 11, 2018 at 6:42 AM, Stefan Tichy <asterisk3 at pi4tel.de> wrote:

> Hi,
> when some phone inititates an audio call and sends a re-invite with
> audio and video later, asterisk will send a "200 OK" response. The
> response contains sdp with audio and video enabled.
> But that seems to be all asterisk does. No other action and no
> re-invite to the second phone.
> Is this a bug or is just some feature not available?
> I tried with different versions of asterisk and used both chan_sip
> and pjsip. One of the phones used is linphone (3.6.1-3).
> Thanks in advance.
> --
> Stefan Tichy  ( asterisk3 at pi4tel dot de )
> --
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