<span style="font-family: Arial, Helvetica, sans-serif; font-size: 10pt">Markus<br />
<br />
No we do checks ahead of line count checks in the dialplan code.<br />
<br />
<div>Thanks<br />
<br />
Bryant Zimmerman (ZK Tech Inc.)<br />
616-855-1030 Ext. 2003</div>
<br />
<br />
<span style="font-family: tahoma,arial,sans-serif; font-size: 10pt;"><hr width="100%" size="2" align="center" />
<b>From</b>: "Markus" <universe@truemetal.org><br />
<b>Sent</b>: Thursday, February 09, 2012 12:08 PM<br />
<b>To</b>: asterisk-users@lists.digium.com<br />
<b>Subject</b>: Re: [asterisk-users] checking if a phone number is UP</span><br />
<br />
But wouldn't that mean that every customer line is busy every 30 minutes <br />
for a few milliseconds for real callers? Unless there is more than 1 <br />
concurrent call enabled on the customers line.<br />
<br />
:)<br />
<br />
<br />
Am 09.02.2012 15:59, schrieb Bryant Zimmerman:<br />
> We designed our solution the following way.<br />
><br />
> We have several land line numbers hooked to an asterisk testing server.<br />
> The testing server places one call every X seconds per line to a number<br />
> we want to test . We cycle through each number in our testing pool. Each<br />
> number on average is tested once every 30 min this can be adjusted by<br />
> the dial rate and the number of test lines in the outbound calling pool.<br />
> When a call comes from one of our test numbers our inbound dial plans<br />
> log the call and busy's out. So the test call is not answered and no<br />
> call charge is assessed per carrier. To verify that a test succeeded the<br />
> testing server checks the database after it gets a busy. By design if a<br />
> call comes in it is checked before any line counts are tested so this<br />
> method never effects the customers line counts. We also have a full<br />
> audio/dtmf test that is run once a day per number. This means that the<br />
> first test call of the day is actually answered and a DTMF and audio<br />
> hand shake is done. Both ends log the result in a database.<br />
><br />
> We catch vendor issues with these methods and it allows us to open<br />
> tickets and resolve issues before a customer knows there might be an<br />
> issue. Our vendors hate the system as we tend to catch any hiccup they<br />
> may be having as well. Several of them are mistified how we can open<br />
> tickets on issues consistently before they know they have an issue.<br />
> Bryant<br />
><br />
><br />
> ------------------------------------------------------------------------<br />
> *From*: "Aurimas Skirgaila" <a.skirgaila@gmail.com><br />
> *Sent*: Thursday, February 09, 2012 9:34 AM<br />
> *To*: "Asterisk Users Mailing List - Non-Commercial Discussion"<br />
> <asterisk-users@lists.digium.com><br />
> *Subject*: [asterisk-users] checking if a phone number is UP<br />
><br />
> hi,<br />
><br />
> We have a phone number from third party provider which is used for<br />
> inbound calls. How could I monitor if this phone number is reachable?<br />
><br />
> the initial idea doesn't sound elegant:<br />
> - on my SIP server I set couple seconds of ringing before Answer().<br />
> - the monitoring server calls to that phone number for few seconds,<br />
> checks if it "hears" the ringing and hangs up the call.<br />
><br />
> **<br />
> I use Nagios to check if my services are UP using check_sip, but it this<br />
> situation I'm more concerned about my DID provider than my server. It's<br />
> just like pinging a phone number.<br />
><br />
><br />
><br />
> Thank you,<br />
> Aurimas<br />
><br />
><br />
><br />
> --<br />
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