JP2002044263A - Multipoint telephone conference system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a conversation or a conference between a plurality of callers even if two or more callers exist or a plurality of callers exist at a plurality of bases only by securing one telephone circuit for each base, and to eliminate the need of special telephones for multipoint communication if only ordinary telephones or telephones with loudspeakers are available at the respective bases. SOLUTION: A support base is provided among a plurality of call bases, and a telephone circuit controller controlling calls is provided only in the support base to control the communication circuits from the respective bases. With such a constitution, conversation between the plurality of bases can be realized by providing each base with one telephone circuit, and the ordinary conversation and conference between the plurality of bases can be realized any time without providing a special apparatus on the user sides.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multipoint conference system in which two or more parties at the same time or a plurality of persons want to talk at several places in a telephone call.

[0002]

2. Description of the Related Art A conventional multipoint telephone conference system is basically a telephone conversation or conference between two parties, and a simultaneous telephone conversation or conference between two or more parties requires the use of a plurality of telephone lines. In addition, each site required a special multi-point communication device other than a normal telephone.

[0003]

In the conventional multipoint telephone conference system, only one line telephone at each base is used.
A call or conference between two or more bases cannot be realized, and a special multipoint communication device is required even if the number of lines is sufficient.

Therefore, the present invention enables conversation or conference between two or more persons by securing one telephone line at each base even if the callers are two or more persons or plural persons at a plurality of points. The object of the present invention is to eliminate the necessity of using a special multi-point telephone if there is a normal telephone or a telephone with a speaker.

[0005]

In the multipoint telephone conference system of the present invention, a support base is provided between a plurality of call bases, and a telephone line control device serving as a call mediating apparatus is installed at the support base. It controls calls from bases and provides multipoint calls or conference calls.

[0006]

Next, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a multipoint telephone conference system according to the present invention, in which a call point 01, a call point 02, and a call point 03 that desire a multipoint call make a multipoint call via a support point 04. A telephone line control device 05 is installed at the support base 04.
In FIG. 1, when a plurality of callers are present at each of the bases 01 to 03, the configuration of the multipoint conference is shown. Then, the callers at the respective locations 01 to 03 use a normal telephone or a telephone with a speaker used in a conference or the like.

Next, the operation will be described. In the multipoint telephone conference system according to the present invention, lines are connected to the support base 04 from all bases on the call bases 01 to 03 side. The status is monitored, and the signal of the line in which the voice of the caller at the call bases 01 to 03 enters early is sent to all other downstream lines, and the state of the connection line is maintained until the voice is interrupted. When the voice is cut off, the telephone line control device 05 holds the voice of the caller at the next call base, and outputs the voices of the callers of the call bases 01 to 03 newly entered to the other call bases 0 to 03.
1 to 03. By repeating this, the support base 04
The telephone line control device 05 installed in the office establishes a conversation or conference between multiple points.

Next, another embodiment of the present invention will be described.
explain. Although the configuration example of the present invention shows a configuration between three points, it is fully conceivable that this telephone conference system will be effective even when there are three or more call bases. In this case, the transfer control can be performed by a similar method, and the use of the present system can sufficiently adapt to a video conference system.

[0009]

According to the present multipoint teleconferencing system, a support base is provided between a plurality of call bases, a telephone line control device for managing calls only at the base is installed, and a control of a call line from each base is performed. By doing so, conversations at a plurality of sites can be realized with one telephone line at each site, and ordinary multipoint conversations and conferences can be realized at any time without special equipment on the user side.

[Brief description of the drawings]

FIG. 1 is a diagram showing a multipoint telephone conference system.

[Explanation of symbols]

 01 Call base A 02 Call base B 03 Call base C 04 Support base 05 Telephone line controller

Claims (1)

[Claims] In a telephone conference system which enables simultaneous calls by a plurality of persons, a support base has a telephone line control device as a mediation device of a call, controls a signal from each call base, and performs multipoint communication. A multipoint teleconferencing system that provides calls and teleconferences with ordinary telephones.