Wednesday, August 5, 2009

 

How to send SMS through phone modem (AT Commands)

In general, there are two ways to send SMS messages from a computer / PC to a mobile phone:

Connect a mobile phone or GSM/GPRS modem to a computer / PC. Then use the computer / PC and AT commands to instruct the mobile phone or GSM/GPRS modem to send SMS messages.

Connect the computer / PC to the SMS center (SMSC) or SMS gateway of a wireless carrier or SMS service provider. Then send SMS messages using a protocol / interface supported by the SMSC or SMS gateway.

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