[asterisk-bugs] [JIRA] (ASTERISK-24253) Attended transfers with directmedia enabled sometimes set wrong rtp address

[Eli Hunter (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-24253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Hunter updated ASTERISK-24253:
----------------------------------

    Attachment: sip.conf

sip.conf

> Attended transfers with directmedia enabled sometimes set wrong rtp address
> ---------------------------------------------------------------------------
>
>                 Key: ASTERISK-24253
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24253
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 12.4.0
>            Reporter: Eli Hunter
>            Assignee: Matt Jordan
>         Attachments: dump.pcap, full_log, full_sample, sip.conf
>
>
> I've been testing directmedia with endpoints and see failures in about 1 out of 5 attended transfers.  It's using the endpoint's internal network address rather than the external IP.  The server is at a public IP and the endpoint is behind NAT.  I changed the IP the enpoint is behind to 1.1.1.1 and the sip provider's IP to 2.2.2.2.
> I thought it was the same as ASTERISK-23497 but it seems to be different and it wasn't fixed by upgrading from 12.2.0 to 12.4.0.
> Working transfer:
> {noformat}
>  == Using SIP RTP TOS bits 184
>   == Using SIP RTP CoS mark 5
>     -- Called SIP/313
>     -- SIP/313-0000060a is ringing
>     -- SIP/313-0000060a answered SIP/312-00000609
>     -- Channel SIP/312-00000609 joined 'simple_bridge' basic-bridge <bfdd32fe-19a3-4438-9b46-59af26be886a>
>     -- Channel SIP/313-0000060a joined 'simple_bridge' basic-bridge <bfdd32fe-19a3-4438-9b46-59af26be886a>
>        > Bridge bfdd32fe-19a3-4438-9b46-59af26be886a: switching from simple_bridge technology to native_rtp
>        > 0x7fcde0015080 -- Probation passed - setting RTP source address to 1.1.1.1:2228
> Got  RTP packet from    1.1.1.1:2228 (type 09, seq 011738, ts 3706243606, len 000160)
> Sent RTP packet to      2.2.2.2:19500 (type 00, seq 012279, ts 2001056, len 000160)
> Sent RTP P2P packet to 1.1.1.1:2228 (type 00, len 000160)
> Got  RTP packet from    1.1.1.1:2228 (type 09, seq 011739, ts 3706243766, len 000160)
> Sent RTP packet to      2.2.2.2:19500 (type 00, seq 012280, ts 2001216, len 000160)
> {noformat}
> Failed transfer:
> {noformat}
>     -- Called SIP/312
>     -- SIP/312-00000608 is ringing
>     -- SIP/312-00000608 answered SIP/313-00000607
>     -- Channel SIP/313-00000607 joined 'simple_bridge' basic-bridge <36553219-70fa-46fa-a6cd-85b45e4e615b>
>     -- Channel SIP/312-00000608 joined 'simple_bridge' basic-bridge <36553219-70fa-46fa-a6cd-85b45e4e615b>
>        > Bridge 36553219-70fa-46fa-a6cd-85b45e4e615b: switching from simple_bridge technology to native_rtp
>        > 0x7fcde8705c30 -- Probation passed - setting RTP source address to 1.1.1.1:2226
>        > 0x7fcde8705c30 -- Probation passed - setting RTP source address to 1.1.1.1:2226
> Sent RTP packet to      10.1.11.18:2228 (type 09, seq 044259, ts 28978992, len 000160)
> Got  RTP packet from    2.2.2.2:19500 (type 00, seq 007364, ts 1178240, len 000160)
> Sent RTP packet to      10.1.11.18:2228 (type 09, seq 044260, ts 28979152, len 000160)
> {noformat}



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