pls, i need help. i am currently writing a project using interactive voice response system and i need to interface a gsm modem to a microcontroller using AT commands. anyone with useful info should pls send me help. thanks.

 

Here's the AT command set - http://www.computerhope.com/atcom.htm.

 

Tywo, I am not sure to understand what you need. Do you want to open a voice communication with a cellphone using a gsm modem?

Alberto