[Asterisk-video] Ignoring video stream offer because port number is zero v 11.3.0

[Moosa Khalid]

I'm trying to make a video call between two SIP peers registered on a
single asterisk box. Following is the config of my sip peers

[107]
defaultuser=107
secret=107
type=friend
host=dynamic
context=default
canreinvite=yes
videosupport=yes
dtmfmode=rfc2833
qualify=yes
disallow=all
allow=ulaw
allow=alaw
allow=gsm
allow=h263

[701]
defaultuser=701
secret=701
type=friend
host=dynamic
context=default
videosupport=yes
qualify=yes
canreinvite=yes
dtmfmode=rfc2833
disallow=all
allow=ulaw
allow=alaw
allow=gsm
allow=h263

I've also enabled videosupport in the global sip settings.
I'm using the softphone Xlite 4.5 which supports h263 codec on for both
clients. *Asterisk version is 11.3.0 LTS*. Clients registered are on same
network. Asterisk shows the following output on console on a call b/w
peers. Audio is fine but of course no video thanks to the following
warning.

*  == Using SIP VIDEO CoS mark 6*
*  == Using SIP RTP CoS mark 5*
*    -- Executing [96107 at default:1] Dial("SIP/701-00000014",
"SIP/107,20,rt") in new stack*
*  == Using SIP VIDEO CoS mark 6*
*  == Using SIP RTP CoS mark 5*
*    -- Called SIP/107*
*    -- SIP/107-00000015 is ringing*
*    -- SIP/107-00000015 is ringing*
*[Apr 29 18:35:12] WARNING[11363][C-0000000d]: chan_sip.c:10141
process_sdp: Ignoring video stream offer because port number is zero*
*
*
This happens regardless of which sip peer originates the call.
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