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7224782 Method for providing additional service by a communication company  
A communication company accumulates a communication time or the amount of communication for a call when the call is received, and provides additional service such as discount for a called party...
7203493 Wireless communication system  
A call in request is transmitted from a wireless base station to a wireless communication terminal apparatus when there is a call in from a service center. If the wireless communication terminal...
Matches 1 - 2 out of 2