asterisk users - Jun 2007 - How to Create Custom Context

Hello All,

Is there any way to write a custom context, where first it checks 
internally to see if the SIP User exist with same DID number, if it does 
route the call internally like calling from one extension to another 
extension, else pass the call to A2Billing to do the billing and use the 
default outbound trunks to terminate the call.

Reason for this is because I have generated my SIP User with real US DID 
and I would like to keep the cost minimum by not sending the local calls 
out on Trunk and receive it back...

For example,

[custom-a2billing]
exten => _XXXXXXXXXX,1,Answer
exten => _XXXXXXXXXX,2,Wait,2
exten => _XXXXXXXXXX,3,_ _ _ _ _ _ _ ; What to fill here to check for 
local calls and it not found send to A2Billing.php
exten => _XXXXXXXXXX,4,DeadAGI(a2billing.php|1)
exten => _XXXXXXXXXX,5,Wait,2
exten => _XXXXXXXXXX,6,Hangup

Any suggestions...?

Cheers,
Nitesh

If I understand your question correctly...

   You can use the context= directive in sip.conf to land inbound calls 
from any SIP peer into whatever dialplan context you like, after which you 
can pass it to other contexts using the Goto() statement.  The only thing 
is that you will need to include those contexts in your custom context 
with something like

 	include	=> some-other-context

   ... because by default the scope of all contexts is hermetically sealed.

   Does that help, or did I miss the point?

Thanks,

--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : +1-678-954-0670
Direct : +1-678-954-0671

Why don?t create tariffs on your a2billing with full numbers of your
SIP users? You can point it to a trunk that dials sip/%diallingnumber%
-- 
Antonio Jos? dos Santos Brand?o



On 6/20/07, Nitesh Divecha <nitesh at vipernetworks.com>
wrote:
> Hello All,
>
> Is there any way to write a custom context, where first it checks
> internally to see if the SIP User exist with same DID number, if it does
> route the call internally like calling from one extension to another
> extension, else pass the call to A2Billing to do the billing and use the
> default outbound trunks to terminate the call.
>
> Reason for this is because I have generated my SIP User with real US DID
> and I would like to keep the cost minimum by not sending the local calls
> out on Trunk and receive it back...
>
> For example,
>
> [custom-a2billing]
> exten => _XXXXXXXXXX,1,Answer
> exten => _XXXXXXXXXX,2,Wait,2
> exten => _XXXXXXXXXX,3,_ _ _ _ _ _ _ ; What to fill here to check for
> local calls and it not found send to A2Billing.php
> exten => _XXXXXXXXXX,4,DeadAGI(a2billing.php|1)
> exten => _XXXXXXXXXX,5,Wait,2
> exten => _XXXXXXXXXX,6,Hangup
>
> Any suggestions...?
>
> Cheers,
> Nitesh
>
>
>
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