First, make sure your device supports it, using Hyperterminal or similar. Try:

AT#CID=1

and see if you can get a response.

>hi all
>i want to use the mscomm control
>can any one have an idea to work with at+clip command by which i can get the caller id no in my software
>thanks advance
>regards
>arjun
>already i have solved the issue of moble connectivity to dial a mobile from my laptop.