[Freeswitch-users] FS behind NAT encounter no audio

royj royj at yandex.ru
Wed Mar 27 15:34:48 MSK 2013


May be the proxy-media mode is playing a role. Siptrace client<->FS<->IVVR server would clarify the picture

On Wed, 27 Mar 2013 15:58:45 +0800
Jimmy Chang <chang33.tw at gmail.com> wrote:

> Hi ,
> I've added <action application="set" 
> data="disable_rtp_auto_adjust=true"/> to my dialplan, but not worked.
> I need to explain the architecture of our environment.
> We have a IVVR server.
> FS, IVVR server and agents are all in the same LAN. The clients are in 
> the internet.
> Here is the scenario.
> 1) A client makes call to FS.
> 2) FS bridges to a IVVR server for playing ivvr.
> 3) IVVR server bridges the call back to FS queue.
> 4) Available agent pickups the call.
> 
> I know it may be NAT setting problems, and I've tried to create a new 
> profile(template from external) for the ivvr gateway.
> Now the client can hear the agent, but the agent can't hear client.
> 
> Any advice?
> Thanks.
> Jimmy
> 
> 
> ? 2013/3/27 ?? 02:43, Godson Gera ??:
> > If call has been successfully established and only audio is missing 
> > then try playing with 
> > http://wiki.freeswitch.org/wiki/Variable_disable_rtp_auto_adjust
> >
> >
> >  --
> > Thanks & Regards,
> > Godson Gera
> > FreeSWITCH Consultant <http://godson.in>
> >
> >
> > On Wed, Mar 27, 2013 at 9:34 AM, Jimmy Chang <chang33.tw at gmail.com 
> > <mailto:chang33.tw at gmail.com>>wrote:
> >
> >     Hi,
> >
> >     I could make a call within NAT without any problem.
> >     When I made a call from internet, I got no audio.
> >     I have read the document
> >
> >     http://wiki.freeswitch.org/wiki/NAT_Traversal
> >     <http://wiki.freeswitch.org/wiki/NAT_Traversal>
> >
> >     and set the parameters.
> >     vars.xml
> >     <X-PRE-PROCESS cmd="set" data="bind_server_ip=my.server.ip"/>
> >     <X-PRE-PROCESS cmd="set" data="external_sip_ip=my.server.ip"/>
> >     <X-PRE-PROCESS cmd="set" data="external_rtp_ip=my.server.ip"/>
> >     internal.xml
> >     <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
> >     external.xml
> >     <param name="ext-sip-ip" value="$${external_sip_ip}"/>
> >     <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
> >
> >     Any advice?
> >     Thanks.
> >     Jimmy
> >
> >
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