Patent ID: 7664489
Filing Date: 2010-02-16
Classification: H04M,H04W

Abstract:
1. A method for a communication between a first cellular phone and a second cellular phone, wherein said communication between said first cellular phone and said second cellular phone comprises an intercom communication and a telephone communication, comprising steps of: (a) providing a telephone number of said second cellular phone and an intercom number associated with said telephone number to said first cellular phone, which has a telephone number different from said telephone number of said second cellular phone; (b) dialing said telephone number of said second cellular phone by said first cellular phone to activate a calling to said intercom number associated with said telephone number of said second cellular phone; (c) determining whether said first cellular phone and said second cellular phone are within an intercom communication area; (d) performing said intercom communication between said first cellular phone and said second cellular phone while said first cellular phone and said second cellular phone are within said intercom communication area, or performing said telephone communication between said first cellular phone and said second cellular phone while said first cellular phone and said second cellular phone are without said intercom communication area; and (e) automatically and periodically determining whether said first cellular phone and said second cellular phone are within said intercom communication area after performing said telephone communication between said first cellular phone and said second cellular phone.