Free SMS Software....

From your telephone you can send SMS messages of 160 char. max. to another GSM phone . Your message will be sent through an SMS Center (usually the one that gave your provider). You pay a little fee depending of your provider, BUT YOU WILL HAVE TO PAY something In order for sending SMS without paying anything, you got to change your SMS Center number with these one --
+491722270300 or +358405202999 or 352021100003..