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There's dialup over GSM. Though those modems does this by piping data through a software modem and then onto the GSM channel, however it requests a clear channe
by noselasd 10y ago
There's dialup over GSM. Though those modems does this by piping data through a software modem and then onto the GSM channel, however it requests a clear channel, so no transcoding is done by the network or the phone (the lossy GSM codecs arn't suitable for this)
GPRS made that pretty much obsolete though.
- kalleboo 10y agoThe feature for getting a pure data channel was called CSD https://en.wikipedia.org/wiki/Circuit_Switched_Data https://en.wikipedia.org/wiki/Circuit_Switched_Data