If you want to send free sms without registration go to www.jumbosms.com
How To Send A Text Without Revealing Your Cell Phone Number?
You can make a yahoo! Messenger account to send SMS texts and even get them sent to and from your cell without revealing your number.....
As far as I know, you can't send SMS without identity, you can make a call without identity.
Don't think about this.
This is un-ethical..
This is un-ethical..
Just type *67 before mobile no. While sending.