[asterisk-bugs] [JIRA] (ASTERISK-30119) rtp timeout on calls with video support

[Joe Searle (JIRA)]

Joe Searle created ASTERISK-30119:
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             Summary: rtp timeout on calls with video support
                 Key: ASTERISK-30119
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-30119
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_pjsip_sdp_rtp
    Affects Versions: 16.27.0, 16.26.0, 16.25.0, 16.24.0
            Reporter: Joe Searle
            Severity: Major


Since upgrading from 16.22.0 to 16.27.0 when making outbound calls from my sip client (webrtc) I have been noticing Asterisk has been dropping the calls slightly after the 60 second mark with the notice

{quote}[Jun 30 13:05:34] NOTICE[20479]: res_pjsip_sdp_rtp.c:149 rtp_check_timeout: Disconnecting channel 'PJSIP/softphone-web-6-00000002' for lack of video RTP activity in 65 seconds{quote}

I used git bisect to track down the issue to this commit

{quote}14156f9827eb0caa4e3b64bafce318e475a12b68{quote}

The related jira issue is ASTERISK-28890

Prior to this change I wouldn't have any issue with Asterisk dropping the calls.

I thought that the problem was that the INVITE sent from the endpoint to Asterisk was set to *recvonly* on the video stream and that Asterisk wasn't checking whether it should be receiving the video RTP before it adds the applies the rtp_timeout to it. This does not seem to be the case however because I tested enabling video in the softclient before making another attempt so it was set to *sendrecv* but I still have the problem with video being sent to Asterisk.

Reading the linked jira issue the change relates to *rtp_keepalive* which I don't have enabled on the endpoints.

I will attach the endpoints settings and a pcap once I figure out how.

The only work around I have found so far is to disable rtp_timeout on the endpoints which isn't ideal.



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