[Freeswitch-users] Setting up callbacks

[Steven Ayre]

You currently (in a previous mail) call a user/ dialstring and when that
answers execute a bridge that dials a sofia/ dialstring and joins the
2 calls. The syntax was slightly off, but close.

Now think what'd happen if the 2 dialstrings were both sofia/ dialstrings
to dial 2 PSTN numbers via your SIP provider(s)...

You may need to tweak that further if you want either leg to go via the
dialplan.

-Steve


On Friday, May 31, 2013, Alex Lake wrote:

>  ...and for our next trick, how do I do a callback from one PSTN
> destination to another? i.e. place a call to 07775123456 and when that
> answers, place another one to 02012345678?
>
> Cheers,
> Alex
>
> You almost got it: it's: exten [dialplan] [context]
>
> So you just needed to do:
> originate
> {origination_caller_id_name=CallBack,origination_caller_id_number=07775123456}user/0095302
> 07775123456 xml dp0095
> ... without the &bridge. You *either* choose an extension or do &(app).
>
> Usage: originate <call_url> <exten>|&<application_name>(<app_args>)
>    [<dialplan>] [<context>] [<cid_name>] [<cid_num>] [<timeout_sec>]
>
>  To quote from the wiki:
>
> "Here's an example of originating a call to an extension in a different
> context than 'default' (required for the FreePBX which uses context_1,
> context_2, etc.):"
>
>    originate sofia/internal/2001 at foo.com <javascript:_e({}, 'cvml', '2001 at foo.com');> 3001 xml context_3
>
>  -Avi Marcus
> BestFone
>
>
> On Thu, Mar 7, 2013 at 4:02 PM, Alex Lake <alex at digitalmail.com<javascript:_e({}, 'cvml', 'alex at digitalmail.com');>
> > wrote:
>
>>  Yes, I'd seen that - but I'm currently the wrong side of the "got it"
>> fence. However, I did this:
>>
>> originate
>> {origination_caller_id_name=CallBack,origination_caller_id_number=07775123456}user/0095302&bridge({
>> origination_caller_id_number=2070602000}sofia/internal/07775123456 at pstngateway.com<javascript:_e({}, 'cvml',
>> 'origination_caller_id_number\x3d2070602000%7Dsofia/internal/07775123456 at pstngateway.com');>
>> )
>>
>> and it kind of did what I wanted.
>>
>> However, what I really want to do is to simulate as closely as possible
>> what happens when ext 0095302 makes an outbound call to 07775123456 from a
>> handset - preferably using the dp0095 context of the xml (?) dialplan.
>>
>> So I thought I'd try using the dialplan and context parameters like this:
>>
>> originate
>> {origination_caller_id_name=CallBack,origination_caller_id_number=07775123456}user/0095302
>> &bridge(07775123456) xml dp0095
>>
>> But I've clearly got the wrong end of the stick!
>>
>>   There's a whole bunch of examples here:
>> http://wiki.freeswitch.org/wiki/Mod_commands#originate
>>
>>  The first arg rings first, and must be an endpoint, e.g. sofia/, user/.
>> Once they pick up, the second arg is called.
>>
>>  So originating to a local user or to a remote endpoint is nearly the
>> same... especially if you can use the lcr/ endpoint.
>> Your leg B can be a brige, a conference &conference(conf_uuid-TEST_CON),
>> or just hit the dialplan.
>>
>>
>>  -Avi Marcus
>>
>> On Thu, Mar 7, 2013 at 1:00 PM, Alex Lake <alex at digitalmail.com> wrote:
>>
>> I was wondering where's a good place to find some examples of how, by
>> sending the right commands to the event_socket, I could have Freeswitch
>> establish callbacks for me.
>>
>> Essentially there are a couple of different termination types - PSTN
>> (via a gateway) and internally registered SIP accounts
>>
>> I would wish to be able to set up A->B (and maybe small conferences)
>> using these types of destination in any combination.
>>
>> I've looked through the event_socket pages and the "originate" syntax,
>> but would like to put together something a little more "idiot-friendly"
>> so am looking around for precedents/tips...
>>
>>
>>
>>
>>
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