[asterisk-bugs] [JIRA] (ASTERISK-23497) chan_sip SIP protocol attended transfer, with directmedia=yes results in a simple bridge, typically with no audio

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp reopened ASTERISK-23497:
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Issues were uncovered by Bamboo.

> chan_sip SIP protocol attended transfer, with directmedia=yes results in a simple bridge, typically with no audio
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-23497
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23497
>             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
>            Assignee: Joshua Colp
>            Severity: Minor
>         Attachments: call1_full.txt, call1_messages.txt, call1_tcpdump, call2_full.txt, call2_messages.txt, call2_tcpdump, failed-native-bridge-attended-xfer.txt, sip.txt
>
>
> 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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