* Niklas Saers Mailinglistaccount <[EMAIL PROTECTED]> [2003-10-13 10:38:13 +0200]:

> Hi,
> I was wondering what GSM modems work with FreeBSD 5.1 at the moment? I'm
> setting up an intrusion detection system that I need to alert me by SMS
> should anything unusual happen. I'm planning on using comm/gsmlib but need
> to know what modems I can use (and if you have any recommendations or
> experiences, I'd love to hear about them).
> 
> Cheers
> 
>   Niklas Saers
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Hi Niklas,

Almost all the gsm modems you'll find available (siemens tc35, wavecom wm, 
nokia premicell.. ) use an rs232 interface. (a perfectly standard serial 
interface)

There is a standard GSM AT command set but each manufacturer might have 
their own quirks and special commands for battery life(!), etc etc.

I mention battery life: your average cellphone should have a serial 
interface available and hence a console for AT commands. The components 
related to GSM comms are quite generic between cellphones and GSM modems 
and your results should be the same.

Almost all available modems should be perfectly acceptable, you can also try a 
cell phone+serial"data" cable.

At my company we use siemens tc35 modems slaved to 8-port serial cards (comtrol
octacable things) for SMS service testing. We haven't had any problems since we 
started using them three years ago.

Cheers,

Alex Trull
Systems and Network Administrator
C : +44 (0) 7966  203990  | Hybyte Solutions & Services Ltd
D : +44 (0) 2079  764219  | 114-116 Rochester Row
S : +44 (0) 2079  764200  | Victoria, London
F : +44 (0) 2079  764229  | SW1P 1JQ
https://mail.uk.hybyte.net/~atrull/pgppub.key 0x1DCBCFB7
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