[asterisk-bugs] [JIRA] (ASTERISK-22436) No BYE to masqueraded channel on INVITE with replaces

[Eelco Brolman (JIRA)]

Eelco Brolman created ASTERISK-22436:
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             Summary: No BYE to masqueraded channel on INVITE with replaces
                 Key: ASTERISK-22436
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22436
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 1.8.23.1
            Reporter: Eelco Brolman


Consider the flow as in http://www.in2eps.com/fo-sip/tk-fo-sip-service-05.html. Carol is the asterisk server in this case, Alice and Bob 2 (external) sip phones (i.e. NOT registered with asterisk). Asterisk acts for example as an application server. Bob wants to attended transfer Alice to this application.

When Bob refers Alice to Carol (asterisk), Carol (asterisk) correctly accepts the invite, and masquerades the channels into the new Invited channel.
The original channel to Bob becomes a Zombie, which is Hangup (see logging), but Asterisk fails to send out the BYE to Bob (message 22 in http://www.in2eps.com/fo-sip/tk-fo-sip-service-05.html#fig22).

This result in Bob assuming the transfer is not complete yet, and keeping the call as "on hold" on his phone.

Any thought on this issue?
{code}
[Sep  2 14:11:33] DEBUG[7190] chan_sip.c: Trying to put 'SIP/2.0 200' onto UDP socket destined for 172.29.19.13:5060
[Sep  2 14:11:33] DEBUG[7190] channel.c: Planning to masquerade channel SIP/alice-00000152 into the structure of SIP/bob-0000014f
[Sep  2 14:11:33] DEBUG[7190] channel.c: Done planning to masquerade channel SIP/alice-00000152 into the structure of SIP/bob-0000014f
[Sep  2 14:11:33] DEBUG[7190] channel.c: Putting channel SIP/alice-00000152 in alaw/alaw formats
[Sep  2 14:11:33] DEBUG[7190] chan_sip.c: SIP Fixup: New owner for dialogue 2063187328: SIP/alice-00000152 (Old parent: SIP/bob-0000014f<ZOMBIE>)
[Sep  2 14:11:33] DEBUG[7190] chan_sip.c: SIP Fixup: New owner for dialogue 54c78f06-534c5fb7-9fe652e0 at 172.30.19.102: SIP/bob-0000014f<ZOMBIE> (Old parent: SIP/alice-00000152)
[Sep  2 14:11:33] VERBOSE[7190] chan_sip.c: Scheduling destruction of SIP dialog '54c78f06-534c5fb7-9fe652e0 at 172.30.19.102' in 6400 ms (Method: ACK)
[Sep  2 14:11:33] DEBUG[7190] chan_sip.c: Session timer stopped: 68528 - 54c78f06-534c5fb7-9fe652e0 at 172.30.19.102
[Sep  2 14:11:33] DEBUG[7190] channel.c: Done Masquerading SIP/alice-00000152 (6)
[Sep  2 14:11:33] DEBUG[7190] res_rtp_asterisk.c: Not changing SSRC since we haven't sent any RTP yet
[Sep  2 14:11:33] DEBUG[7190] channel.c: Hanging up zombie 'SIP/bob-0000014f<ZOMBIE>'
{code}

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