Hide my number 1.0
You can hide your caller id (phone number) for one call only!
Tested and works in these countries:
USA (At & T and Verizon also), Canada, Mexico,Argentina,Brazil
Germany, Italy, Belgium, Spain, Russia,Romania, Hungary, Czech rep.
Arab Emirates, Pakistan,India (seems like not working for prepaid cards), Malaysia, Hong Kong,Singapore (not singtel)
And everywhere else.check if the service is available for you...