Check out this interesting technology. Make a call using SMS to trigger a call-back to your mobile phone at only 5cts/min. There is no need to change your existing carrier!
Are you currently paying 15¢ to 22¢ per minute for your outgoing mobile phone calls? If your current mobile phone plan do not charge you for incoming calls, here's a way to practically turn your outgoing call into an incoming call and pay only S$0.05¢ per minute!
Details found in the following link:
http://www.onlinesrs.com/osms/towkay