Patent ID: 7965831
Filing Date: 2011-06-21
Classification: H04Q

Abstract:
1. A telephone control device connected to a plurality of telephone terminals and a plurality of telephone exchange devices connected to a plurality of stages of layered structure, said telephone control device comprising: a designation accepting unit which accepts designation of a calling destination telephone number from a telephone terminal; a connection setting unit which selects a telephone exchange device from telephone exchange devices connected to a second stage among said plurality of telephone exchange devices based on a calling destination telephone number accepted by said designation accepting unit or selects not to use a telephone exchange device connected to the second stage, and when selecting not to use a telephone exchange device connected to the second stage, executes connection setting at a first-stage telephone exchange device so as to connect a call from a telephone terminal which designates the calling destination telephone number to the calling destination telephone number and when selecting to use a telephone exchange device connected to the second stage, executes connection setting at a first-stage telephone exchange device so as to connect a call from said telephone terminal which designates the calling destination telephone number to said selected second-stage telephone exchange device, as well as executes connection setting at said selected second-stage telephone exchange device so as to connect a call from the telephone terminal which designates the calling destination telephone number to the calling destination telephone number; and a telephone number information transmission unit which transmits telephone number information of said first-stage telephone exchange device to a telephone terminal which designates a calling destination telephone number.