[asterisk-bugs] [JIRA] (ASTERISK-18685) Half Attended Transfers ("Blind Transfers") Fail for No Apparent Reason

[Leif Madsen (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-18685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Madsen reassigned ASTERISK-18685:
--------------------------------------

    Assignee:     (was: Leif Madsen)

> Half Attended Transfers ("Blind Transfers") Fail for No Apparent Reason
> -----------------------------------------------------------------------
>
>                 Key: ASTERISK-18685
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-18685
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Channels/chan_sip/TCP-TLS
>    Affects Versions: 1.8.6.0, Potential Blocker
>         Environment: CentOS 5.6 64 bit
>            Reporter: Greg Nutt
>         Attachments: debug10.txt, HalfAttendTransferToBria, putty.log
>
>
> Call being blind transferred from Polycom Soundpoint IP501 using UDP transport to Bria softphone using TCP transport.  Also blind tranfer UDP from Polycom IP500 to Linksys PAP2.  The PAP2/Bria SIP device receives the call notification and rings, however from the originating side the call goes straight to voicemail.  When trying to answer the call on the PAP2/Bria side, the call goes to error and disappears.  5321 is the Polycom device below and 5221 is the PAP2 or Bria device.  An attempt was made to answer the call and below is what happens in CLI.
> == Spawn extension (DLPN_DialPlan1, 5321, 1) exited non-zero on 'SIP/5321-00002c4b<ZOMBIE>'
> - Got SIP response 500 "Internal Server Error" back from (IP REMOVED):37395
> - SIP/5221-00002c4c is circuit-busy



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