[Freeswitch-users] Freeswitch behind NAT with 2 external providers: No audio

[Peter Steinbach]

Herr Brian,

thank you, that did the trick!
I added a pre_aswer, a playback and finally a ring_ready in order to
playback a ring tone to the caller. Now we have 2 way audio.

Best regards
Peter


On 03/09/16 15:47, Brian West wrote:
> Its going to be because you probably need to pre_answer, play a little
> media before you hair pin the call back out the same provider. :)
>  playback silence_stream://1000 after pre_answer would probably fix it
> prior to bridge.
>
> On Wed, Mar 9, 2016 at 8:32 AM, Peter Steinbach <lists at telefaks.de
> <mailto:lists at telefaks.de>> wrote:
>
>     Hello,
>
>     I have the following scenario
>
>       * Freeswitch is behind NAT with external profile with ext_sip_ip
>         and ext_rtp_ip
>       * Echo from an external SIP provider test inbound works with audio
>       * Calling outbound to the same external SIP provider works with
>         audio
>       * *Receiving a call from the external SIP provider and bridging
>         it to another number at the same external SIP provider does
>         not have audio*
>       * Receiving a call from the external SIP provider and bridging
>         it to a local Patton PRI works with audio
>
>     I also set up another (modified NAT) profile
>
>       * like external profile - but with a different ext_rtp_ip
>       * calling outbound to via NAT profile to another SIP provider
>         works with audio
>       * *Receiving a call from the external SIP provider (external
>         profile) and bridging it to another number **at the another
>         external SIP provider ***(nat***profile)** does not have audio*
>       * Tcpdump btw. does not show an attempt of Freeswitch to issue
>         any outbound RTP packet. I can see only SIP messages towards
>         the outbound SIP provider*
>         *
>
>     So I think, there is a problem with briding a natted external
>     call  to another natted external call, both with ext-rtp-ip. It
>     tried this on an older Freeswitch (1 year old) and with a more
>     recent Freeswitch (1 month old), both behave the same. Same
>     scenario with a non-natted Freeswitch works fine.
>     Btw. Freeswitch logs do show
>         RTCPpacket not written
>     right after bridginbg the call.
>
>     Question: Does anybody have a clue, what could cause the problem?
>     Maybe there is any parameter in the profiles, that may help?
>
>
>     -- 
>     With kind regards
>     Peter Steinbach 
>
>     Telefaks Services GmbH
>     mailto:lists (att) telefaks.de <http://telefaks.de>
>     Internet: www.telefaks.de <http://www.telefaks.de>
>
>
>     _________________________________________________________________________
>     Professional FreeSWITCH Consulting Services:
>     consulting at freeswitch.org <mailto:consulting at freeswitch.org>
>     http://www.freeswitchsolutions.com
>
>     Official FreeSWITCH Sites
>     http://www.freeswitch.org
>     http://confluence.freeswitch.org
>     http://www.cluecon.com
>
>     FreeSWITCH-users mailing list
>     FreeSWITCH-users at lists.freeswitch.org
>     <mailto:FreeSWITCH-users at lists.freeswitch.org>
>     http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>     UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>     http://www.freeswitch.org
>
>
>
>
> -- 
>
> */Brian West/*
> brian at freeswitch.org <mailto:brian at freeswitch.org>
>
>
> */Twitter: @FreeSWITCH , @briankwest/*
> http://www.freeswitchbook.com
> http://www.freeswitchcookbook.com
> https://www.gofundme.com/freeswitch_ubuntu
>
> Got Bugs? Report them here <https://freeswitch.org/jira>! |
> Reddit: /r/freeswitch <https://www.reddit.com/r/freeswitch>
>
> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services: 
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org


-- 
With kind regards
Peter Steinbach 

Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20160309/573d90bf/attachment.html