On Sun, Feb 20, 2011 at 11:46 AM, Mac <
validator77@gmail.com> wrote:
> Dear ALL,
>
> Thats my first post here. I am struggling for some time with DTMF issue.
> Let me introduce you my configuration.
>
> The main task is to configure RTP Proxy with full topology hiding -
> OPERATOR_1 ------- Freeswitch ------- OPERATOR_2
> Here is a prt of my config:
> - sip profile.
> I have one new sip profile with two gateways (OPERATOR_1 and OPERATOR_2)
> <include>
> <gateway name="OP1">
> <param name="username" value="X1.Y1.V1.Z1"/>
> <param name="password" value="09321234"/>
> <param name="proxy" value="X1.Y1.V1.Z1"/>
> <param name="from-domain" value="
test.com"/>
> <param name="register" value="false"/>
> <param name="caller-id-in-from" value="true"/>
> <param name="extension" value="test"/>
> <param name="extension-in-contact" value="true"/>
> <param name="outbound-codec-prefs" value="$${outbound_codec_
> prefs}"/>
> <param name="disable-transcoding" value="true"/>
> <param name="inbound-late-negotiation" value="true"/>
> </gateway>
> </include>
>
> - dialplan
> <include>
> <context name="public">
> <extension name="term">
> <condition field="network_addr"
> expression="^(X1\.Y1\.V1\.Z1|X2\.Y2\.V1\.Z1)$" break="on-false"/>
> <condition field="destination_number"
> expression="^46(\d{9})$">
> <action application="set" data="proxy_media=true"/>
> <action application="set" data="bypass_media=false"/>
> <action application="start_dtmf"/>
> <action application="bridge" data="sofia/gateway/OP1/$0"/>
> </condition>
> </extension>
> </context>
> </include>
>
> Everything is fine, but i have problem with DTMF conversion from RFC2833 to
> inband.
> Refering to
http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf
> and
http://wiki.freeswitch.org/wiki/Proxy_Media i have done all the
> necessary things.
>
> vars.xml
> <X-PRE-PROCESS cmd="set" data="global_codec_prefs=PCMA,G.729,PCMU,GSM"/>
> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMA,G.729,PCMU,GSM"/>
>
> The after-effect is following output:
> [ERR] switch_core_io.c:1055 Codec PROXY PASS-THROUGH encoder error!
>
> Placing <param name="dtmf-type" value="none"/> does not help anyway.
>
> Could sb point me where the problem is located?
>
> Thanks in advance,
> Mac