[Freeswitch-users] GSM gateway to Freeswitch audio problem

[Deepika Yadav]

Hi,

I want to make calls forwarded from GSM gateway to Freeswitch extension

When I dial a 10- digit mobile number of a sim configured in the GSM
gateway in a way that it forwards the incoming call to freeswitch
extension. I do not hear anything except for some background noise

Freeswitch codec configuration :

 <X-PRE-PROCESS cmd="set" data="global_codec_prefs=GSM,PCMU,PCMA"/>
<X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=GSM,PCMU,PCMA"/>

GSM- Gateway Codec settings :

priority 1 - G.711 u-law
priority 2 - G.711 a-law

Dialplan in public context :

<include>
  <extension name="public_did">
    <condition field="destination_number" expression="^(9811806537)$">
        <action application="transfer" data="5000 XML default"/>
    </condition>
  </extension>
</include>



Freeswitch logs:

2016-06-07 05:10:51.000656 [NOTICE] switch_channel.c:1055 New Channel
sofia/external/00919716517818 at 192.168.20.36:5060
[33e4e958-2c6e-11e6-9af0-278859dd14e6]
2016-06-07 05:10:51.000656 [INFO] mod_dialplan_xml.c:635 Processing
00919716517818 <00919716517818>->9811806537 in context public
2016-06-07 05:10:51.000656 [NOTICE] switch_ivr.c:1861 Transfer
sofia/external/00919716517818 at 192.168.20.36:5060 to XML[5000 at default]
2016-06-07 05:10:51.000656 [INFO] mod_dialplan_xml.c:635 Processing
00919716517818 <00919716517818>->5000 in context default
2016-06-07 05:10:51.000656 [NOTICE] sofia_media.c:92 Pre-Answer
sofia/external/00919716517818 at 192.168.20.36:5060!
2016-06-07 05:10:51.000656 [NOTICE] mod_dptools.c:1268 Channel
[sofia/external/00919716517818 at 192.168.20.36:5060] has been answered
2016-06-07 05:10:51.640675 [INFO] switch_rtp.c:5846 Auto Changing port from
192.168.20.36:31012 to 103.25.231.101:31012
2016-06-07 05:11:06.560680 [NOTICE] sofia.c:952 Hangup sofia/external/
00919716517818 at 192.168.20.36:5060 [CS_EXECUTE] [NORMAL_CLEARING]
2016-06-07 05:11:06.560680 [NOTICE] switch_core_session.c:1641 Session 262
(sofia/external/00919716517818 at 192.168.20.36:5060) Ended
2016-06-07 05:11:06.560680 [NOTICE] switch_core_session.c:1645 Close
Channel sofia/external/00919716517818 at 192.168.20.36:5060 [CS_DESTROY]


Regards,
Deepika
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