VoIP Mailing List Archives

[bwood-lists at jacosof...]

I'm experimenting with FreeSWITCH. I have a setup working with FXO, FXS,
and SIP (to hardware and software phones, and gateways). I'd like to be
able to place a new outgoing call and then do something, for example,
play a message notifying me that the power has gone out.

I have been successful doing this through the event socket, XML-RPC,
JavaScript, etc. However, I have to know the full endpoint URL. I've
searched the list, wiki, web for examples. I've seen several attempts at
an example, but no clear and complete example.

What I'd really like to be able to do is something like (JavaScript
example):

var s = new Session();
s.originate(session, "1234567890");
s.streamFile("test.wav");

Instead of:

var s = new Session();
s.originate(session, "sofia/internal/1000");
s.streamFile("test.wav");

I would like to be able to originate a new session, and have FreeSWITCH
lookup the endpoint. Transfer and bridge don't seem quite right, and
exceute_extension seems to block (and require a existing session). I've
looked at Session.Originate, but I can't seem to get it to do anything
useful.

So far, about the only ideas I have are to either parse the dialplan
myself, or use mod_xml_curl to fetch the dialplan from my own
software/database/etc. Then I could query my external source for the
endpoint URL. This seems like overkill, but I can't find anyway to
lookup the endpoint URL or place a call without one.

I plan on adding more gateways and possibly T1 cards into the system, so
I would prefer if FreeSWITCH could do the "routing", and my scripts not
have to know what the endpoint is.

It seems like there should be a way to do this (or at least a way query
the for the endpoint given an extension/number). Maybe I'm just looking
at the problem the wrong way. Maybe the dialplan is the complete wrong
place to be looking, since it can do a lot more than just specify an
endpoint.

Is there any easy way to do this, or do I simply have to have a endpoint
URL?

On a related note, on an OpenZAP channel, how can I tell FreeSWITCH to
use any available FXO channel? I can dial out using
openzap/1/1/1234567890. However, if I have a T1 board or X number of FXO
ports, is there a way to tell it to automatically use any available
channel in a endpoint URL?

Thanks.

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[brian at freeswitch.org]

On Sep 2, 2008, at 3:20 PM, Brian Wood wrote: