[asterisk-users] checking if a phone number is UP

[Markus]

Reply to self, missed the line count part. Nevermind then :)


Am 09.02.2012 18:10, schrieb Markus:
> But wouldn't that mean that every customer line is busy every 30 minutes
> for a few milliseconds for real callers? Unless there is more than 1
> concurrent call enabled on the customers line.
>
> :)
>
>
> Am 09.02.2012 15:59, schrieb Bryant Zimmerman:
>> We designed our solution the following way.
>>
>> We have several land line numbers hooked to an asterisk testing server.
>> The testing server places one call every X seconds per line to a number
>> we want to test . We cycle through each number in our testing pool. Each
>> number on average is tested once every 30 min this can be adjusted by
>> the dial rate and the number of test lines in the outbound calling pool.
>> When a call comes from one of our test numbers our inbound dial plans
>> log the call and busy's out. So the test call is not answered and no
>> call charge is assessed per carrier. To verify that a test succeeded the
>> testing server checks the database after it gets a busy. By design if a
>> call comes in it is checked before any line counts are tested so this
>> method never effects the customers line counts. We also have a full
>> audio/dtmf test that is run once a day per number. This means that the
>> first test call of the day is actually answered and a DTMF and audio
>> hand shake is done. Both ends log the result in a database.
>>
>> We catch vendor issues with these methods and it allows us to open
>> tickets and resolve issues before a customer knows there might be an
>> issue. Our vendors hate the system as we tend to catch any hiccup they
>> may be having as well. Several of them are mistified how we can open
>> tickets on issues consistently before they know they have an issue.
>> Bryant
>>
>>
>> ------------------------------------------------------------------------
>> *From*: "Aurimas Skirgaila" <a.skirgaila at gmail.com>
>> *Sent*: Thursday, February 09, 2012 9:34 AM
>> *To*: "Asterisk Users Mailing List - Non-Commercial Discussion"
>> <asterisk-users at lists.digium.com>
>> *Subject*: [asterisk-users] checking if a phone number is UP
>>
>> hi,
>>
>> We have a phone number from third party provider which is used for
>> inbound calls. How could I monitor if this phone number is reachable?
>>
>> the initial idea doesn't sound elegant:
>> - on my SIP server I set couple seconds of ringing before Answer().
>> - the monitoring server calls to that phone number for few seconds,
>> checks if it "hears" the ringing and hangs up the call.
>>
>> **
>> I use Nagios to check if my services are UP using check_sip, but it this
>> situation I'm more concerned about my DID provider than my server. It's
>> just like pinging a phone number.
>>
>>
>>
>> Thank you,
>> Aurimas
>>
>>
>>
>> --
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>
>
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