[Spce-user] monitoring registered clients

[Skyler]

Hi,

  I see you and I have similar issues/needs :)

  Thinking out loud, for Register flapping the best way I found is to 
have a static public IP on the client router port-forwarding to the pbx 
on LAN side. Then set this IP:port as a permanent contact for the 
subscriber in SPCE. What this does is to tell SPCE to always send calls 
to this IP:port, if timeout/no-reply then go to voicemail or in my case 
sometimes go to IVR server.

  Now its about monitoring site outage(s) (either site Internet, power 
or pbx down). This can be handled by OPTIONS ping to the AOR. If no 
reply, then have a script run via exec_msg() to send you an email. This 
does require some custom modification to default spce though.

  Sometimes static IP is not an option for the site. In this case I set 
pbx to always send calls to spce first with 6 seconds timeout, if 
timeout reached then failover to POTS AND also send me an email. This 
does suck though sometimes because I might get 100 emails from the pbx 
until I can login to pbx and figure out what is wrong. But at least I am 
the first to know when it happens.

  I personally prefer to have the pbx email me as opposed to modifying 
spce side. Does not hurt to do all of the above either ;)

--Skyler


On 8/18/2012 2:28 AM, Matthew Ogden wrote:
>> -----Original Message-----
>> From: spce-user-bounces at lists.sipwise.com [mailto:spce-user-
>> bounces at lists.sipwise.com] On Behalf Of Skyler
>> Sent: 17 August 2012 09:56 PM
>> To: spce-user at lists.sipwise.com
>> Subject: Re: [Spce-user] monitoring registered clients
>>
>> Hi,
>>
>> On 8/17/2012 4:19 AM, Matthew Ogden wrote:
>>> Many of clients have failover routes, as they are transitioning from
>>> PSTN/POTS to SIP.
>>>
>>
>>    This is interesting to me too as I have some offices with POTS
>> failover.
>>
>>> This means if they can't make calls via SIP, their PBX will send the
>>> call over PSTN, resulting in the problem not being reported.
>>>
>>    So when the PBX sends an INVITE to SPCE, it may return 404/503 or
>> similar and then the PBX will fail-over to POTS right? So what is the
>> 'problem' exactly, is this not by design?
>>
>
>
> The problem is that we don't know if the PBX is in failover mode until one
> of the following happens (amoung others):
> 1. the customer makes a complaint that their outgoing lines is restricted
> to much fewer lines (now their line max = PSTN only)
> 2. the customer phones customers with CallerID that does not match the
> desired SIP caller ID.
> 3. We see at the end of the day / week that the customer is not making
> calls with our SIP account and we investigate
>
>>> I would like build something that is fetching the whether or not the
>>> accounts are flapping and whether they are up at all.
>>>
>>    What is 'flapping'? If a PBX is registered as a subscriber on SPCE,
>> then I assume you mean to find a way in order to monitor that
>> registration and notify you in some way if it is not registered?
>
> Flapping is when:
> 1. the registration is irreguglar (not on the expected RE-REGISTER times),
>
> 2. or missing REGISTRATION some times,
> 3. when calls routed to it are timing out
> 4. when calls routed from it are failing from timeouts instead of BYEs
> from our PEER (upstream) or our BYEs from our customer
>
>
>>> Do you guys have any suggestions of a good way of achieving this?
>>>
>>    Sure, lots of suggestions can be given. Just need to figure out your
>> goal exactly :)
>
> Hope this all makes sense. Some of customers are using data lines that may
> be stable for 2 years, and then be intermittent for a week - we want to
> proactively manage this situation before the customer is angry.
>
>>
>> --Skyler
>>
>>
>>> *Matthew Ogden*
>>>
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