[Freeswitch-users] How exactly execute_extension work?

[Michael Collins]

The execute_extension app is similar to a GOSUB command in BASIC: it goes
out, executes some stuff, and then comes back. However, keep in mind that
when you execute an extension it does loop through the dialplan looking for
the destination_number that you specified. Depending on your needs you
probably just need to create a distinct dialplan context for this special
extension. Then you execute the extension in a separate context and only the
extensions within that context will be checked against destination_number.

-MC

On Tue, Jan 25, 2011 at 6:42 AM, Boris Kovalenko <boris at tagnet.ru> wrote:

> Hello!
>
>     From one of my extension I call another extension in another
> context. I suppose that exactly this extension should be executed, but
> instead I get all previous extension executed to. So below is my
> configuration. We are calling start_hunting in context tagnet.ru. I
> suppose start_hunting extension should be executed but no, hunting
> begins from the start of context and all extensions before start_hunting
> are executed too. auto_hunt=true solves the problem. So the question is
> - is this normal behaviour of execute_extension or am I doing something
> wrong?
>
> <!-- We are hunting only for TAGNet numbering plan -->
> <extension name="ext_hunting">
> <condition field="${v_tagnet_dst}"
> expression="^(73435230[0-9]{3}|73435494989|7343549499[0-1])$">
> <action application="javascript" data="$${scripts_dir}/toll_check.js
> ${toll_allow} local"/>
> <action application="set" data="v_tagnet_hunting=true" inline="true"/>
> <action application="log" data="NOTICE [top.ctx] - hunting in tagnet.ru"/>
> <action application="log" data="NOTICE ${v_tagnet_dst} $1"/>
> <action application="execute_extension" data="start_hunting XML tagnet.ru
> "/>
> </condition>
> </extension>
>
> Context tagnet.ru:
> <!--
>     This context is for home networking soft phones and cheap telephony.
> -->
> <?xml version="1.0" encoding="utf-8"?>
> <include>
> <context name="tagnet.ru">
> <extension name="unloop">
> <condition field="${unroll_loops}" expression="^true$"/>
> <condition field="${sip_looped_call}" expression="^true$">
> <action application="deflect" data="${destination_number}"/>
> </condition>
> </extension>
>
> <!--
>             Destination number normalization
>         -->
> <extension name="ext_translate_dst" continue="true">
> <!-- <condition field="${v_tagnet_hunting}" expression="^true$"
> break="on-true"/> -->
> <condition field="${destination_number}" expression="^(1[0-9]{3})$"
> break="on-true">
> <action application="set" data="v_tagnet_dst=$1" inline="true"/>
> </condition>
> <condition field="${destination_number}" expression="^(\d+)$"
> break="on-true">
> <action application="set" data="v_tagnet_dst=$1" inline="true"/>
> <action application="execute_extension" data="ext_translate_dst XML
> features"/>
> </condition>
> </extension>
>
> <!--
>             Source number normalization
>         -->
> <extension name="ext_translate_src" continue="true">
> <condition field="${caller_id_number}" expression="^2([0-9]{4})$"
> break="on-true">
> <action application="set" data="caller_id_number=7343549$1" inline="true"/>
> <action application="set" data="ani=7343549$1" inline="true"/>
> </condition>
> </extension>
>
> <!-- Here we start hunting process -->
> <extension name="start_hunting" continue="true">
> <condition field="destination_number" expression="^start_hunting$"/>
> </extension>
>
> <!--
>                 You can place files in the default directory to get
> included.
>         -->
> <X-PRE-PROCESS cmd="include" data="tagnet.ru/*.xml"/>
>
> <!-- Here we stop hunting process -->
> <extension name="stop_hunting">
> <condition field="${v_tagnet_hunting}" expression="true"/>
> </extension>
>
> <!--
>             Transfer call to the TOP context
>         -->
> <extension name="top.ctx">
> <condition field="${v_tagnet_dst}" expression="^(\d+)$">
> <action application="log" data="DEBUG [top.ctx] - transfer to top.ctx"/>
>
> <!-- Caller ID normalization -->
> <action application="execute_extension" data="ext_translate_src XML
> features"/>
>
> <action application="transfer" data="$1 XML top.ctx"/>
> </condition>
> </extension>
> </context>
> </include>
>
>
>
>
> --
> С уважением,
>   Борис Коваленко
>   ЗАО "Тагнет"
>   (3435) 494991
>
>
>
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