I hope this will help you with out opening browser.
Note :- To run this application u need .net framework 4.0
I thought to do it in .net 3.5 but to run in 3.5 environment u need to down 250mb file but 4.0 is very less.
1 = SMS sent
-1 = Server Error
-2 = Invalid Username
-3 = Invalid message text
-4 = Login Failed
-5 = IP Blocked
-7 = Cannot Send! Way2sms Captcha Detected (Since Jan 11 2013)
Download Link :-
Send SMS for Multiple No's at a time (updated) Click Here
if you need any modifications please inform me....