How to make a mobile phone out of a computer?

Question

mobile connection

Given:
a computer, a mobile phone (quite modern) It is
necessary that I, using a computer, be able to make and receive calls (ie, that the phone performs only the functions of a receiver and transmitter, and the conversation is conducted through a computer headset).
Where to dig? maybe there is an appropriate software, or even a type of software?

Answer 1

3g modem and forward, on MTS you can make and receive calls through the software built into the modem specifically connect manager
PS though I have a terrible sound there, but it should be configured
PS2 did not read the question, see what software comes with the phone, connect the phone as a modem and call . Accordingly, the phone must support the functions of a 3g modem.

Answer 2

Do not offer GSM modules?