Calling a particular number

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How can I call a particular number automatically through controller and gsm modem?

Posted 8-Aug-11 1:13am

Member 8144470

Updated 8-Aug-11 1:26am

LittleYellowBird

v2

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LittleYellowBird 8-Aug-11 7:27am

Hi, I have removed the Urgent title from your question as it will not help, your question is not urgent to others and demanding help only annoys. :)

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Kim Togo · Answer 1 · 2011-08-08T01:34:00

Solution 1

Use a serial port to communicate with the GSM modem and then use AT commands to dial.
See Using Basic AT Modem Commands[^].

The problem will be to get the speech/voice to the use. You have to use mic and speakers.

Posted 8-Aug-11 1:34am

Kim Togo

Updated 8-Aug-11 9:42am

v2

Albert Holguin · Answer 2 · 2011-08-08T09:36:00

This is hardware specific... what does your GSM modem support? As Kim stated, AT commands are a common way to communicate via serial port to a GSM modem, but its really up to manufacturers what kind of interface they will provide.

So find a modem that you like, look at its specifications, and design your system around that.

Here's a GSM AT command guide:
http://www.arcelect.com/GSM%20Developer%20Guide%20-%20GSM%20AT%20Commands%20-%20Rev%20%20A.pdf[^]