On Jun 13, 6:21 pm, Hari wrote:
> Hi All,
>
> I need to make and receive calls through GSM mobile using Linux.
> Please let me know, if any libraries are available for this? I found
> gsmlib library in which I found only SMS and Phonebook manipulation
> services are available(Correct me if I am wrong), Similary I need a
> library through which I can make or receive GSM calls, if not
> available, please give some comments how to implement it.
>
To receive/send call is easy, but I suggest you read the 3GPP spec
07.07 first.
ATD
ATH
RING
....
etc.

http://www.3gpp.org/ftp/Specs/archive/07_series/07.07/