Re: [BAWUG] Cell phone as modem...

[Alf Watt]

If you aren't paying your carrier for data service, then don't expect 
to get it for free, especially when you're paying a flat rate for your 
service. The cable you describe is for data service, and typically 
provides a serial interface to a modem in a rack somewhere. This is 
largely true for Bluetooth phones as well, there's just one more 
wireless link in the chain.

You MIGHT be able to get a dial up connection by building a sort of 
virtual acoustic coupler between your laptop's modem port and the 
phone's headset port (remembering that phone line voltage level and 
cellphone handset voltage level are not the same).

Using such a device means data would be converted from digital to 
analog in your modem, from analog to digital (lossy) in the handset, 
from digital to analog at the tower or exchange, circuit switched to 
it's destination then finally converted back from (noisy) analog to 
digital in the receiving modem. Sound reliable or fast?

Alternately, you could spend that $35 on a cheap Wi-Fi card and go 
visit the local coffee shop.

Best,
Alf
On 10 Mar 2004, at 12:00p, [EMAIL PROTECTED] wrote:

From: "Carl Delmon" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Date: Tue, 09 Mar 2004 21:30:54 -0800
Subject: [BAWUG] Cell phone as modem for email internet laptop linux 
in francisco, Metropcs

I'd like to be able to get my mobile laptop online in the Bay Area, 
using
a cell phone, for a few minutes, a few times a day, to check my email
through a dial up ISP, from a web email site.

(Not using one of the pcmcia cell service cards, ala Sprint. Also, not
connecting through the cell phone service providers data connection.  I
want to use an actual cell phone.  And call into any modem number.)
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