Sorry, I thought the camera was another pjsip-based client. You're
right, it looks like it should work. If you can run the caller in a
debugger, try stepping through the sdp_neg code to see exactly what
is happening. It also occurs to me that the update sent to the
camera is done to select a single audio codec. You might be able to
avoid the update by disabling all the audio codecs except PCMU.
Bill
On 4/12/2016 1:34 AM, Vikas Sharma
wrote:
Hi Bill,
Actually in our case we are making a call from
a PJSIP endpoint to the Camera
i.e PJSIP will send the INVITE and Camera will
send 200 OK and we are already getting
sendonly for video in the 200 ok packet sent
by the camera.Below are the SDP details we are
getting in the SDP.
INVITE SDP(sent from
PJSIP):
200 ok SDP(sent from camera)
m=audio
m=audio
a=sendrecv
a=sendrecv
m=video
m=video
a=recvonly
a=sendonly
But after receiving 200OK packet the PJSIP code changes
the media attribute for video to inactive and
sends an UPDATE packet to the Camera.Below are the logs
from PJSIP endpoint:
SDP in the INVITE packet form PJSIP endpoint:
m=audio 4000 RTP/AVP 98 97 99 104 3 0 8 9 96
c=IN IP4 192.168.7.174
b=TIAS:64000
a=rtcp:4001 IN IP4 192.168.7.174
a=sendrecv
a=rtpmap:98 speex/16000
a=rtpmap:97 speex/8000
a=rtpmap:99 speex/32000
a=rtpmap:104 iLBC/8000
a=fmtp:104 mode=30
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-16
m=video 4002 RTP/AVP 97 97 96
c=IN IP4 192.168.7.174
b=TIAS:256000
a=rtcp:4003 IN IP4 192.168.7.174
a=recvonly
a=rtpmap:97 H264/90000
a=fmtp:97 profile-level-id=42e01e; packetization-mode=1
a=rtpmap:97 H264/90000
a=fmtp:97 profile-level-id=42e01e; packetization-mode=1
a=rtpmap:96 H263-1998/90000
a=fmtp:96 CIF=1;QCIF=1
SDP of 200OK from camera:
v=0
o=vikas 2389 406 IN IP4 192.168.5.248
s=Talk
c=IN IP4 192.168.5.248
t=0 0
m=audio 7078 RTP/AVP 0 8 96
a=rtpmap:96 telephone-event/8000
m=video 0 RTP/AVP 96
a=rtpmap:96 H263-1998/90000
a=fmtp:96 CIF=1;QCIF=1
a=sendonly
pjsua_app.c .....Call 0 state changed to CONNECTING
pjsua_media.c .....Call 0: updating media..
pjsua_aud.c ......Audio channel update..
strm0x7fc65800 .......VAD temporarily disabled
strm0x7fc65800 .......Encoder stream started
7fc65800 .......Decoder stream started
pjsua_media.c ......Audio updated, stream #0: PCMU
(sendrecv)
pjsua_media.c ......Video updated, stream #1:
(inactive)
pjsua_app.c .....Call 0 media 0 [type=audio], status is
Active
pjsua_aud.c .....Conf disconnect: 1 -x- 0
conference.c ......Port 1 (ringback) stop transmitting to
port 0 (pulse)
pjsua_aud.c .....Conf connect: 3 --> 0
conference.c ......Port 3 (sip:192.168.5.248) transmitting
to port 0 (pulse)
pjsua_aud.c .....Conf connect: 0 --> 3
conference.c ......Port 0 (pulse) transmitting to port 3
(sip:192.168.5.248)
pjsua_app.c .....Call 0 media 1 [type=video], status is
None
pjsua_core.c .....TX 360 bytes Request msg ACK/cseq=9412
(tdta0x7fc65800fa50) to TCP 192.168.5.248:5060:
ACK sip:vikas@192.168.5.248;transport=tcp
SIP/2.0
pjsua_call.c .Call 0 sending UPDATE for updating media
session to use only one codec
UPDATE sip:vikas@192.168.5.248;transport=tcp
SIP/2.0
Via: SIP/2.0/TCP
192.168.7.174:45829;rport;branch=z9hG4bKPj175aa12f-828b-40be-9f8a-61cbb553a47b;alias
Max-Forwards: 70
From:
<sip:192.168.7.174>;tag=5f7a28e9-c01b-483a-b98c-c3d0583bdf67
To: sip:192.168.5.248;tag=wIbmd0-
Contact: <sip:192.168.7.174:5060;ob>
Call-ID: a47fedc4-ae32-4911-80a7-1bdea5769b2f
CSeq: 31719 UPDATE
Supported: replaces, 100rel, timer, norefersub
Session-Expires: 1800
Min-SE: 90
Content-Type: application/sdp
Content-Length: 328
v=0
o=- 3669344348 3669344349 IN IP4 192.168.7.174
s=pjmedia
b=AS:84
t=0 0
a=X-nat:0
m=audio 4000 RTP/AVP 0 96
c=IN IP4 192.168.7.174
b=TIAS:64000
a=rtcp:4001 IN IP4 192.168.7.174
a=rtpmap:0 PCMU/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-16
a=sendrecv
m=video 0 RTP/AVP 31
c=IN IP4 127.0.0.1
a=inactive
Kindly share your views to solve this issue.
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