Patent ID: 7062035

Claim:
A community dialing circuit apparatus incorporating an Internet Protocol (IP) phone and a Plain Old Phone Service (POTS) phone, comprising: an IP phone system for activating an IP phone according to an IP phone number; a POTS phone system for activating a POTS phone according to a POTS phone number; an insulation system electrically connected between the IP phone system and the POTS phone system for insulating the IP phone system from the POTS system; and a key panel connected to the IP phone system and the POTS phone system; wherein when a city power is on and a first phone number having a format of the IP phone number is inputted from the key panel, the first phone number is used as the IP phone number, the IP phone system outputs a first dialing data signal to the insulation system, the insulation system receives the first dialing data signal and outputs a second dialing data signal to the POTS phone system to disable the POTS phone, and the IP phone is activated; wherein when the city power is on and a second phone number having a first format of the POTS phone number is inputted from the key panel, the second phone number is transferred by the insulating system and used as the POTS phone number to active the POTS phone, and the IP phone is disabled; wherein when the city power is off and a third phone number having a second format of the POTS phone number is inputted from the key panel, the IP phone is turned off without a power supply from the city power, and the third phone number is used to active the POTS phone, wherein the key panel further comprises: an IP phone keypad connected to the IP phone system; and a POTS phone keypad connected to the POTS phone system; wherein the key panel is disposed above the IP phone keypad and the POTS phone keypad, wherein each key of the key panel is disposed above a key of the IP phone keypad and above a key of the POTS phone keypad, whereby when a phone number is inputted, the IP phone keypad and the POTS phone keypad receive the phone number respectively.