20100313260 | METHOD AND SYSTEM OF PROVIDING FIREWALL IN HANDSET - A method of providing firewall in handset is disclosed. The method includes receiving a request with a telephone number by a handset. The handset determines if the telephone number meets a refusing condition. The refusing condition includes a telephone number interval with at least one number and a symbolic variable. The handset refuses the request of the telephone number if the telephone number meets the refusing condition. | 12-09-2010 |