information needed

[aman deep singh]

  hello everybody,
i m doing research on mobile agents and sending sms through computer is the 
part of it.
i have to connect my computer to the mobile and send sms using AT commands.

the Mobile phones i am having are:-
nokia 3310, 1100
samsung c100.

pls. tell me what to do.
i came to know that Nokia 3310, 1100 models does not support AT Commands.
but using gnokii s/w we can do that.
can any body guide me to solve this problem.
i have also downloaded the gnokii s/w but unable to install it.

i am waiting for reply
bye
aman