[Freeswitch-users] Dynamic specify the outbound GW within source code

[Kashif Ali]

OOO


On Sun, Apr 7, 2013 at 1:41 AM, Kashif Ali <kashif at kashifbukhari.com> wrote:

>
>
> On Mon, Jan 9, 2012 at 11:50 AM, fieldpeak <fieldpeak at gmail.com> wrote:
>
>> Hi Avi,
>>
>> Thanks so much for your kindly reply.
>>
>> Actually, now i'm using mod_nibble for billing, i write a function
>> "check_billing_before_routing" in nibble_state_handler, in this
>> func("check_billing_before_routing"), it will call an external command,
>> this command will query the backend database if the caller has enough money
>> to contiue the call, the mod_nibblebill will contiue the call or hangup the
>> call according to the result of the external command. i have realize all
>> above, it works well.
>>
>> switch_state_handler_table_t nibble_state_handler = {
>>     /* on_init */ NULL,
>>     /* on_routing */ check_billing_before_routing, /* Need to add a check
>> here for anything in their account before routing */
>>     /* on_execute */ sched_billing,     /* Turn on heartbeat for this
>> session and do an initial account check */
>>     /* on_hangup */ process_hangup,     /* On hangup - most important
>> place to go bill */
>>     /* on_exch_media */ NULL,
>>     /* on_soft_exec */ NULL,
>>     /* on_consume_med */ NULL,
>>     /* on_hibernate */ NULL,
>>     /* on_reset */ NULL,
>>     /* on_park */ NULL,
>>     /* on_reporting */ NULL,
>>     /* on_destroy */ NULL
>> };
>>
>> For PSTN call, i use dial plan below, "1.2.3.4" is the PSTN-GW
>>
>>
>> <extension name="CallToPSTN" >
>>    <condition field="destination_number" expression="^(0\d+)$" >
>>        <action application="bridge" data="sofia/internal/$1 at 1.2.3.4" />
>>    </condition>
>> </extension>
>>
>> Now, as we add one more PSTN-GW for outbound call, and the FS have to
>> route call to the specific GW accoring to result of the external command
>> (the external command will return the IP address of GW as well),
>>
>> i can think out the FS own function like
>> "switch_channel_set_variable(channel, "caller_id_number")" can configure
>> the value of variable, however, what variable should i use for this case,
>> could you please advise, thank you very much!
>>
>> Regards,
>> Charels
>>
>> 2012/1/8 Avi Marcus <avi at avimarcus.net>
>>
>>> I'm not quite sure of the use case. Do any of these help?
>>> 1) specify a server, not an IP, and then let DNS determine where it goes.
>>> 2) use a small lua script to set the channel variable based on whatever
>>> you need - an sql query, some logic.. and then use that variable in the
>>> bridge string.
>>>
>>> Those help? If not, please explain more what problem you are trying to
>>> solve.
>>>
>>> -Avi
>>>
>>>
>>> On Sun, Jan 8, 2012 at 3:34 PM, fieldpeak <fieldpeak at gmail.com> wrote:
>>>
>>>> Dear friends,
>>>>
>>>> i have FS for PSTN outbound call using below dial plan,
>>>>
>>>> <extension name="CallToPSTN" >
>>>>    <condition field="destination_number" expression="^(0\d+)$" >
>>>>        <action application="bridge" data="sofia/internal/$1 at 1.2.3.4" />
>>>>    </condition>
>>>> </extension>
>>>>
>>>> While, now i need dynamically specify the outbound GW’s IP address
>>>> according to the return result of the external command before routing in
>>>> the source code , e.g. if the external command return FS the IP address of
>>>> OB GW 6.7.8.9, then
>>>>
>>>> <action application="bridge" data="sofia/internal/$1 at 6.7.8.9" />
>>>>
>>>> however, i don't know which function i should call within the source
>>>> code to realize it, could anybody help to advise,
>>>>
>>>> P.S. i know there is existing module “mod_xml_curl” can realize
>>>> similar function, however, I could not use it for this case…
>>>>
>>>>
>>>> thanks a lot!
>>>>
>>>> Regards,
>>>> Charles
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
>>>>
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>>>>
>>>
>>> _________________________________________________________________________
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>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
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>>>
>>
>>
>> --
>> Regards,
>> Charles
>>
>>
>> _________________________________________________________________________
>> 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
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>
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