[asterisk-bugs] [JIRA] (ASTERISK-23155) Transfer of parked call causes 100% CPU and orphaned channels

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-23155:
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             Summary: Transfer of parked call causes 100% CPU and orphaned channels
                 Key: ASTERISK-23155
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23155
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/Transfers, Resources/General, Resources/res_parking
    Affects Versions: 1.8.25.0, 11.7.0
         Environment: Slackware linux 13.1, 64-bit, kernel 3.4.45
            Reporter: Roel van Meer
            Assignee: Rusty Newton
            Severity: Minor


Symptoms: Asterisk uses 100% CPU and has orphaned channels that don't go away.

Environment: asterisk, two SIP phones (A and B), call parking on extensions 100-106

How to reproduce (short version):
Program a button of phone B as speed dial to 101.
Use phone A to dial B
Use asterisk attended transfer to transfer the call to the parking extension (100).
You'll hear the announcement of the extensions where the call is parked.
Don't hang up!
Now press the speed dial button for extension 101.
Both calls are now hung up. The asterisk process is using 100% CPU. There are no parked calls, but there are still two active channels.

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