All other things aside, this stands out immediately:
RTT: 434.393 msec
That's almost half a second round trip for a packet. I'm amazed
anything works at all. For SIP connections, mine are usually about
26ms max, anything above about 35 is bad. Looks like a serious config
Try pinging and see what you get - my ping times to sipgate.de from
the UK are Best:13.6ms Worst 13.8ms across 100 pings.
I could be wrong, but I'd be surprised if that wasn't causing
problems, at least with audio.
On 15 October 2016 at 09:11, Andre Gronwald <andregronwal...@gmail.com> wrote:
> Hi all,
> I have an issue with asterisk 13 and pjsip. I guess it is somehow Firewall
> related, but I'm unsure.
> A registration to Sipgate is established successfully:
> <Registration/ServerURI..............................> <Auth..........>
> pjsip_sipgate/sip:sipgate.de:5060 pjsip_sipgate
> Calling the registered number is even successfully shown in asterisk (it is
> a freepbx installation).
> But when doing a second call the number is busy ("provider" busy, I don't
> see anything in asterisk verbose mode).
> Sending a pjsip unregister results in the following messages:
> [2016-10-15 10:03:22] WARNING: res_pjsip_outbound_registration.c:761
> schedule_retry: No response received from 'sip:sipgate.de:5060' on
> registration attempt to 'sip:263614...@sipgate.de:5060', retrying in '60'
> -- Contact pjsip_sipgate/sip:263614...@sipgate.de:5060 is now Reachable.
> RTT: 434.393 msec
> == Endpoint pjsip_sipgate is now Reachable
> so it is somewhat clear, why i get a busy, because the endpoint is not
> reachable. But WHY is the endpoint not reachable?
> Regarding the architecture: I have two routers cascaded, that is
> unfortunately necessary. On the first router (vDSL-access router) I have
> forwarded nearly everything to the second router (Bintec rj 353), where a
> port forwarding for relevant ports (sip and pjsip (udp and tcp), rtp (udp))
> is configured. IF a call goes through, nearly everything is working (audio
> only incoming, but that is another issue).
> STUN is configured. FreePBX Firewall is disabled.
> Kind regards,
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