Jam Man <dajamdaddy@yahoo.com.au> wrote

> g'day,

fggwwjw

> The role I do includes monitoring various sites for plant and intruder alarms. I work 2200~0600.

That aint work.

> Some sites use GSM as a backup to their standard dialler.

> I have some questions regarding the behaviour of these systems I hope somebody can answer, or at
> least direct me to a more appropriate ng.

> Occassionally these networks fail. We then ring people to advise
> them of this. It would be nice (when ringing someone at 0245) to
> be able to offer some reasoning for these failures.

Then there's the real world...

> I can ring the mobile in question and hear it chirping, and for eg.. I wonder, well, if it
> answered, why is it appearing to be offline, or failed?

Can be for a variety of reasons.

> Can rain be a cause for these failures.

Nope.

> Or is mobile tower / repeater location (dropping in and out of signal range) a more likely cause?

Yep.

> Can the cold (written with a straight face) be a factor to reception?

Nope.

> Questions may appear silly

They do indeed.

> but they are asked in seriousness. You may have experienced people, as a part of your job being
> on call, calling you at 3am. It's a pain, at best.

Thats life.

> It's not much fun making those calls either just quietly.

Best to do the decent thing and top yourself.

> Just trying to improve my understanding of how the GSM networks report to us,.

It would be more useful to try explaining it to a stone.

> cheers

> da jam daddy

Pathetic, really.