TELECOM Digest OnLine - Sorted: Re: Can Somebody Please Explain CSD to Me?

Re: Can Somebody Please Explain CSD to Me?

Joseph (
Wed, 06 Apr 2005 20:56:14 -0700

On 6 Apr 2005 12:40:05 GMT, Koos van den Hout
<> wrote:

> To your computer it will look like a normal modem that understands
> Hayes commands to build a connection and dial your ISP. Your phone
> will convert it to a gsm-data call. Cingular can have a different rate
> for those calls and not count it against 'voice' minutes you may have.

CSD = circuit switched data. CSD uses plan minutes as opposed to GPRS
which just uses data and data is billed differently. By the kilobyte
(if measured) or unlimited in some cases.

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