on an analog Zap PSTN channel, you have no real way of determining if
the remote side answered, because, as you discerned, it IS considered
answered as soon as asterisk opens the channel.
How about you contact another asterisk server through the PSTN, and dial
through to an extension on that remote asterisk server that, in turn,
notifies the first asterisk server maybe via the internet that it was
received?
for example, consider the following php script accessupdate.php on
primary asterisk box:
<?php
if (!strcmp($_GET['update'], 'true'))
{
touch("/etc/asterisk/secondary_server_last_access");
}
?>
then primary calls secondary box through PSTN, and through the magic of
DISA or CID or what-have-you, dials through to an extension that executes
System(wget -q -O /dev/null
http://primary-server/access_update.php?update=true)
then hangs up. then primary server checks the last-access time of
/etc/asterisk/secondary_server_last_access to make its decision, via
cron script or bash script triggered through the dialplan subsequent to
the initial dial-out.
This is of course a very rudimentary on-the-fly thing I came up with,
but think outside the box and this may be the easiest way for you to do
what you want.
Moj
John Kane wrote:
I am trying to write a script to attempt to make a call on a Zap
channel, and if it fails, send an alarm. I can generate the call, but
because the Zap channel accepts the call, even though the other end
never answers, it sees it as a successful call, which it isn’t.
Anyone have any ideas on this? Thanks.
!DSPAM:500,452d7fa8199221504517840!
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Mojo <[EMAIL PROTECTED]>
Office Manager, Horan & Company, LLC
(907) 747-6666 x112
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