Re: Using Cingular 2125 as USB modem with Laptop...

On Sun, 13 Aug 2006 16:56:41 GMT, DecaturTxCowboy <nono@xxxxx> wrote in
<dRIDg.6607$1f6.3500@xxxxxxxxxxxxxxxxxxxxxxxxxx>:

Jeremy.Deats@xxxxxxxxx wrote:
As I said, I've dialed into my AOL account using a local AOL access
number.... so if you believe it can't do that, you are mistaken the
Cingular 2125 can and I've successfully done it.. there is no land line
involved, the phone doesn't have a land line jack so no... technically
it's not a "modem" in the way you describe.. but the manufacturer
includes a "modem driver" on the device it's called "ModemLink".

Ok, I will admit...you may have more capability with the 2125 than I
realized. From what you are describing, it certainly would appear that
it has an actual modem.

It doesn't, any more than any other GSM mobile device. A GSM phone has
no real dialup modem, just a sort of virtual modem which makes a
connection to a carrier's IWU (Inter Working Unit), located in some
service center. The IWU has the actual modem that can make analog data
calls and/or fax calls over the PSTN (public switched telephone
network). If the carrier doesn't provide an IWU, or if your account
isn't provisioned for CSD (Circuit Switched Data), then a GSM phone
cannot make data and/or fax calls. If your account is provisioned for
CSD, then all you need is to install the phone as a modem with Windows
Dial-Up Networking.

A regular dialup modem cannot be made to work over a GSM voice channel
because of the audio compression used in the GSM voice channel.

--
Best regards, FAQ FOR CINGULAR WIRELESS:
John Navas <http://en.wikibooks.org/wiki/Cingular_Wireless_FAQ>
.

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