Canonical telephone numbers

Details Canonical telephone numbers Canonical telephone numbers

H - Electricity

04

Q

H04Q 3/18 (2006.01) H04M 1/2745 (2006.01)

Patent

CA 2124721

CANONICAL TELEPHONE NUMBERS Abstract of the Disclosure A system and method using canonical telephone numbers which allows automatic calling with any location in the world independent of the caller's location. The caller canonical telephone number and a plurality of caller prefixes are stored within the system. A telephone directory stores a plurality of callee canonical telephone numbers for locations throughout the world. The caller selects a callee canonical telephone number from the telephone directory, and the system uses thecallee canonical telephone number and the caller canonical telephone number to determine which digits of the callee canonical telephone number must be placed on the telephone line to complete the call. The system then adds the appropriate prefix for international, long distance, or local telephone calls. The telephone directory may be in the form of a software file that can be transferred to any telephone location throughout the world. The telephone directory may be directly installed at any caller location without alteration for the specific location. The user may use a keypad to enter new callee canonical telephone numbers into the telephone directory, or may manually enter a non-canonical callee telephone number.

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