Create a dial up connection..... Then call the dial up connection using RASDial
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Browse All Topicshow to dial a gprs modem using c#
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Here is some code for dialing a RAS connection
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Imran
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by: andre101Posted on 2006-07-03 at 00:52:05ID: 17029460
You can search on the web for a tutorial on how to communicate with a serial port in c#.
/csharp/se rialcommun ication.as p
This link will help you.
http://www.codeproject.com
You can then send AT commands via the serial port to the GPRS modem. The AT commands will depend on the type of GPRS modem that you are using. Otherwise just search for AT commands.