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im new in c# and i wanna right a code for have a voice call through the GSM modem , actually don't know about how to receive and send voice or stream that ,if any one knows about how to do it please help me with this problem. i just found this but didn't understand enough to develop my application. every thing i know is just to send command ,unfortunately i do not even know the AT-Commands.

Port gsmPort=new Port();
gsmPort.Name="COM3";
gsmPort.open();
gsmPort.writeLine("AT\r");
Kavir Developers
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  • Use [ATD] to dial, [ATH] to hangup. Basic AT reference [here](https://support.microsoft.com/en-us/kb/164659) – Martheen Jun 19 '16 at 14:03