[Freeswitch-users] RFC 3263 and failing over
Brian West
brian at freeswitch.org
Thu Sep 3 20:32:55 MSD 2015
Bug reports belong in JIRA, could you file it please at freeswitch.org/jira
Thanks,
On Thu, Sep 3, 2015 at 11:30 AM, Joshua Gigg <giggsey at gmail.com> wrote:
> I've setup some SRV records to test failover between a few servers.
>
> $ dig _sip._udp.testing-sip.giggsey.net SRV
>
> ;; ANSWER SECTION:
> _sip._udp.testing-sip.giggsey.net. 371 IN SRV 10 0 5060
> testing-sip-real.giggsey.net.
> _sip._udp.testing-sip.giggsey.net. 371 IN SRV 0 0 5080
> testing-sip-fake.giggsey.net.
>
>
> testing-sip-fake is a FreeSWITCH box, configured to hangup every inbound
> call with 503: NETWORK_OUT_OF_ORDER.
>
> testing-sip-real will accept traffic from this server, and actually
> connect to something.
>
> When I make a call via FreeSWITCH (latest master), it sends the INVITE to
> testing-sip-fake, which responds correctly. FreeSWITCH does not ACK the
> 503, but sends the INVITE to testing-sip-real.
>
> testing-sip-real responds with a 200, but FreeSWITCH sends the ACK to
> testing-sip-fake.
>
> Trace from sngrep below (apologies for any formatting issues):
> http://i.imgur.com/aGOBHpp.png
>
>
> │
> 193.104.89.40:5080 178.62.61.192:5080
> 193.104.89.57:5060 │
> ──────────┬───────── ──────────┬─────────
> ──────────┬───────── │
> ▒ 17:06:29.054095 │ INVITE (SDP) │
> │ │
> ▒ +0.016957 │ ──────────────────────────> │
> │ │
> ▒ 17:06:29.071052 │ 100 Trying │
> │ │
> ▒ +0.004131 │ <────────────────────────── │
> │ │
> ▒ 17:06:29.075183 │ 503 Service Unavailable │
> │ │
> ▒ +0.005387 │ <────────────────────────── │
> │ │
> ▒ 17:06:29.080570 │ INVITE (SDP)
> │ │
> ▒ +0.003829 │
> ────────────────────────────────────────────────────────> │ │
> ▒ 17:06:29.084399 │ 100 Giving a try
> │ │
> ▒ +0.491453 │
> <──────────────────────────────────────────────────────── │ │
> ▒ 17:06:29.575852 │ 503 Service Unavailable │
> │ │
> ▒ +1.000255 │ <────────────────────────── │
> │ │
> ▒ 17:06:30.576107 │ 503 Service Unavailable │
> │ │
> ▒ +2.000364 │ <<<──────────────────────── │
> │ │
> ▒ 17:06:32.576471 │ 503 Service Unavailable │
> │ │
> ▒ +2.662937 │ <<<──────────────────────── │
> │ │
> ▒ 17:06:35.239408 │ 183 Session Progress (SDP)
> │ │
> ▒ +1.155243 │
> <──────────────────────────────────────────────────────── │ │
> ▒ 17:06:36.394651 │ 183 Session Progress (SDP)
> │ │
> ▒ +0.093683 │
> <<<────────────────────────────────────────────────────── │ │
> ▒ 17:06:36.488334 │ 180 Ringing (SDP)
> │ │
> ▒ +0.088306 │
> <──────────────────────────────────────────────────────── │ │
> ▒ 17:06:36.576640 │ 503 Service Unavailable │
> │ │
> ▒ +1.936790 │ <────────────────────────── │
> │ │
> ▒ 17:06:38.513430 │ 200 OK (SDP)
> │ │
> ▒ +0.010268 │
> <──────────────────────────────────────────────────────── │ │
> │ 17:06:38.523698 │ ACK │
> │ │
> │ +0.489731 │ ──────────────────────────> │
> │ │
> │ 17:06:39.013429 │ 200 OK (SDP)
> │ │
> │ +0.000296 │
> <──────────────────────────────────────────────────────── │ │
> │ 17:06:39.013725 │ ACK │
> │ │
> │ +0.999795 │ ──────────────────────────> │
> │ │
> │ 17:06:40.013520 │ 200 OK (SDP)
> │ │
> │ +0.000282 │
> <──────────────────────────────────────────────────────── │ │
> │ 17:06:40.013802 │ ACK │
> │ │
> │ +0.562804 │ ──────────────────────────> │
> │ │
> │ 17:06:40.576606 │ 503 Service Unavailable │
> │ │
> │ +1.436391 │ <────────────────────────── │
> │ │
> │ 17:06:42.012997 │ 200 OK (SDP)
> │ │
> │ +0.000149 │
> <──────────────────────────────────────────────────────── │ │
> │ 17:06:42.013146 │ ACK │
> │ │
> │ +2.564912 │ ──────────────────────────> │
> │ │
> │ 17:06:44.578058 │ 503 Service Unavailable │
> │ │
> │ +0.685651 │ <────────────────────────── │
> │ │
> │ 17:06:45.263709 │ BYE │
> │ │
> │ +0.016618 │ ──────────────────────────> │
> │ │
> │ 17:06:45.280327 │ 481 Call Does Not Exist │
> │ │
> │ +0.730549 │ <────────────────────────── │
> │ │
>
> │
>
> Any ideas on where to start to debug?
>
> --
> Joshua Gigg
>
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--
*Brian West*
brian at freeswitch.org
*Twitter: @FreeSWITCH , @briankwest*
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com
Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
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