[asterisk-bugs] [JIRA] (ASTERISK-24456) SIP deadlock in transfer szenario between Asterisk Servers

[Peter Katzmann (JIRA)]

Peter Katzmann created ASTERISK-24456:
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             Summary: SIP deadlock in transfer szenario between Asterisk Servers
                 Key: ASTERISK-24456
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24456
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_local, Channels/chan_sip/General
    Affects Versions: 11.13.0
         Environment: Ubuntu precise
            Reporter: Peter Katzmann
            Severity: Critical
         Attachments: asterisk-sip-loc

We have 3 Asterisk server (a,b and c)
we have also 3 different user (Caller, Chef, Sek) .
User Caller on Server a
User Chef on Server b
User Sek on Server c

Now Caller Dials to Chef
Chef has a call rule via agi to only accept direct calls from Sek, all other calls are transferred to Sek.

So the call from Caller on server a is tranfered to Sek on server c automatically
Sek accepts the calls

Now Sek will do a unattended transfer of caller to Chef

Now the server b with Chef shows no action on the dialplan anymore and blocks

Sometimes also crashes.




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