Motorola 100% Free Call Trick

Hi,friends after a long time i am back again with a cool 
trick,by which you can do 100% free call in your Motorola 
Mobile.There is a drawback of this trick i.e. you can use
this trick on few Motorola handsets.I am not 100% sure 
that this trick works or not but at least you can try this 
once,as you have to pay nothing for this...:)

Instructions
1 .Enter the phone number
2 .Enter OK
3 .Type *#06#
4 .Press Button C
5 .And finally press the button for power off.
You should now be able to talk without being billed.


Note:This trick only works on few Motorols handsets
i.e.,Motorola 920,Motorola CD 160,Motorola CD 520.