[asterisk-bugs] [JIRA] (ASTERISK-23513) chan_sip SIP protocol attended transfer, results in a simple bridge and often the completed transfer does not have audio

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-23513:
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             Summary: chan_sip SIP protocol attended transfer, results in a simple bridge and often the completed transfer does not have audio
                 Key: ASTERISK-23513
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23513
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Bridges/bridge_simple, Channels/chan_sip/Transfers
    Affects Versions: SVN, 12.1.1
            Reporter: Etienne Lessard
            Severity: Minor


Given I have 3 SIP phones that are registered with asterisk via chan_sip
Given directmedia is activated in sip.conf
When A calls B and B answers
Then A and B are bridged using a native bridge
When B puts A on hold, then calls C and C answers
Then B and C are bridged using a native bridge
When B finalize the transfer
Then A and C are bridged using a "simple bridge", i.e. they are not bridged using a native bridge, which is what is expected

More generally, direct media is always working fine in a "direct call" scenario, i.e. if A calls B or B calls C or A calls C, direct media is working fine. But after an attended transfer, direct media doesn't seem to work.



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