[asterisk-bugs] [JIRA] (ASTERISK-28634) Invite loop within PJSIP

[Joeran Vinzens (JIRA)]

Joeran Vinzens created ASTERISK-28634:
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             Summary: Invite loop within PJSIP
                 Key: ASTERISK-28634
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28634
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_pjsip
    Affects Versions: 17.0.0
         Environment: Asterisk 17.0.0 with bundled PJSIP on Debian Buster
            Reporter: Joeran Vinzens
         Attachments: invite_loop_small.pcap

Fom time to time we can see traffic increase on out Asterisk Systems. After some debugging we see the Asterisk send kind of an Invite loop over and over. Since there is no way to deny re-invites in PJSIP there is no way out of it. From asterisk perspective it sends these re-invites as fast as it can which result in an increase of 3MBit/s of signalling traffic from this maschine. So far we do not know how to reproduce the issue but we captured the scenario from our production system. (trace attached) the Asterisk log itself just tells us the Invite is going out but nothing further. There was no trigger on the other call-leg.



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