[Freeswitch-users] No audio when calling in via SIP phone

Brian West brian at freeswitch.org
Tue Jul 29 19:06:22 MSD 2014


On a hunch, I launched an instance, set the firewall up properly.  Checked
out, built and installed FS, No issues at all. ;)  Just making sure someone
else was reporting issues so I thought I would spin it up to double check a
few things.


On Tue, Jul 29, 2014 at 9:12 AM, Iqbal Abdullah <iqbal.b.abdullah at gmail.com>
wrote:

> On 29 July 2014 21:54, Ben Langfeld <ben at langfeld.co.uk> wrote:
> > Try explicitly answering the call before your <Speak/> action.
>
> Thanks Ben,
>
> I'm sorry but I do not see any explicit answer XML tag which I can use
> for Plivo.
> What do you mean by explicitly answering the call before the Speak action?
>
> >
> >
> > On 29 July 2014 07:04, Iqbal Abdullah <iqbal.b.abdullah at gmail.com>
> wrote:
> >>
> >> Hello everyone,
> >>
> >> I have just gotten to know about FreeSWITCH and have tried installing
> >> it on a EC2 instance and in the process of trying out some examples. I
> >> am facing this issue of not being able to hear any sounds during a
> >> call I make to my FreeSWITCH system.
> >>
> >> My freeswitch system is the latest stable ver.1.4 and I followed the
> >> instructions to install from
> >> http://clintberry.com/2011/getting-started-with-plivo/
> >>
> >> via the installation script show on the site. I changed the
> >> installation script to use Slash and also 1.4 instead.
> >>
> >> One of the exercises is to pass an incoming call to plivo and make
> >> plivo return a <say> action, which for some reason is not reading back
> >> the text to me (no audio) when I call 1005 from using sflphone on my
> >> ubuntu.
> >>
> >> This is the log on freeswitch:
> >>
> >> 2014-07-29 18:01:12.581530 [NOTICE] switch_channel.c:1054 New Channel
> >> sofia/internal/1000 at xxxxxxxxxx.amazonaws.com
> >> [5650b3dd-1519-4c6f-b720-d4d3a8a65c5c]
> >> 2014-07-29 18:01:12.681534 [INFO] mod_dialplan_xml.c:558 Processing
> >> 1000 <1000>->1005 in context default
> >> 2014-07-29 18:01:12.681534 [WARNING] switch_core_session.c:1554
> >> sofia/internal/1000 at xxxxxxxxxx.amazonaws.com using scheduler due to
> >> bypass media or media is not established.
> >> 2014-07-29 18:01:12.733800 [NOTICE] sofia_media.c:92 Pre-Answer
> >> sofia/internal/1000 at xxxxxxxxxx.amazonaws.com!
> >> 2014-07-29 18:01:12.733800 [NOTICE] mod_dptools.c:1258 Channel
> >> [sofia/internal/1000 at xxxxxxxxxx.amazonaws.com] has been answered
> >> 2014-07-29 18:01:14.121516 [NOTICE] mod_dptools.c:1232 Hangup
> >> sofia/internal/1000 at xxxxxxxxxx.amazonaws.com [CS_RESET]
> >> [NORMAL_CLEARING]
> >> 2014-07-29 18:01:14.141502 [NOTICE] switch_core_session.c:1632 Session
> >> 1 (sofia/internal/1000 at xxxxxxxxxx.amazonaws.com) Ended
> >> 2014-07-29 18:01:14.141502 [NOTICE] switch_core_session.c:1636 Close
> >> Channel sofia/internal/1000 at xxxxxxxxxx.amazonaws.com [CS_DESTROY]
> >>
> >> I can see that plivo is correctly calling the XML I have placed, as
> >> this is the log I see on my web server:
> >>
> >> [29/Jul/2014 01:59:13] "GET
> >>
> >>
> /answer/?To=1005&Direction=inbound&From=1000&CallerName=1000&CallUUID=b74c06be-f4e9-4830-af68-e424b3b31e1c&CallStatus=ringing
> >> HTTP/1.1" 200 93
> >> [29/Jul/2014 01:59:14] "GET
> >>
> >>
> /answer/?To=1005&Direction=inbound&From=1000&CallUUID=b74c06be-f4e9-4830-af68-e424b3b31e1c&HangupCause=NORMAL_CLEARING&CallStatus=completed
> >> HTTP/1.1" 200 93
> >>
> >> This is the XML I have prepared to test plivo:
> >>
> >> <?xml version="1.0" encoding="UTF-8" ?>
> >> <Response>
> >>   <Speak>Hello World</Speak>
> >> </Response>
> >>
> >>
> >> And this is default.xml on freeswitch which forward any calls to 1005 to
> >> plivo:
> >>
> >> <include>
> >>   <context name="default">
> >>
> >>     <!--
> >>      This extension allows calling any digits of number
> >>      freeswitch will call plivo outbound server on every incoming call
> >>     -->
> >>     <extension name="plivo">
> >>         <condition field="destination_number" expression="^1005">
> >>             <action application="enable_heartbeat" data="60"/>
> >>             <action application="socket" data="127.0.0.1:8084 async
> >> full"/>
> >>         </condition>
> >>     </extension>
> >> ....
> >> ....
> >> </include>
> >>
> >> I have read that NAT issues might be causing a no-audio issue, but I
> >> am not sure and do not know how to tell if this is the issue. The only
> >> thing which look strange is the logs on freeswitch saying:
> >>
> >> 2014-07-29 18:01:12.681534 [WARNING] switch_core_session.c:1554
> >> sofia/internal/1000 at xxxxxxxxxx.amazonaws.com using scheduler due to
> >> bypass media or media is not established.
> >>
> >> but what does that mean?
> >>
> >>
> _________________________________________________________________________
> >> Professional FreeSWITCH Consulting Services:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >>
> >> 
> >> 
> >>
> >> Official FreeSWITCH Sites
> >> http://www.freeswitch.org
> >> http://wiki.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
> >
> >
> >
> > _________________________________________________________________________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > 
> > 
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://wiki.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
> >
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.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
>



-- 

*Brian West*
brian at freeswitch.org


*Twitter: @FreeSWITCH , @briankwest*
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com

*T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
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