[asterisk-dev] ISDN Cause codes for unanswered calls

[Håkon Nessjøen]

On Wed, Jan 13, 2010 at 2:38 PM, Steve Moran <sam at matara.net> wrote:

> I am wanting to use the ISDN cause code on an Asterisk 1.6 server to
> determine the status of a call attempt, where the call might not actually
> connect. Reason is I am checking for valid telephone numbers from a list of
> numbers, and I would like to know if the call has answered and cleared which
> I can by writing the hangupcause variable, but where I get an out of order
> network message, or number doesn't exist, I want to capture these ISDN cause
> codes where the call might not have connected and started the dialplan
> extension.
>
> Is there any way to capture cause codes from calls that didn't connect?
>
>
If you'd ask on the -user list, you would probably get information about the
${HANGUPCAUSE} variable, and maybe a link to a list of ISDN cause codes:
http://networking.ringofsaturn.com/RemoteAccess/isdncausecodes.php

Håkon
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