JP2923686B2 - Command telephone interrupt control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Summary] A method for interrupting a command telephone is provided. The command telephone accommodated in an automatic exchange is capable of interrupting a command call to a general call during a general call. The purpose of the present invention is to provide a command telephone interrupt control system that enables a telephone to be used together with a general telephone for an ordinary telephone.
A first device number for making and receiving a general call and a second device number for receiving a command call are assigned to the telephone. This is configured by enabling an interrupt call for this telephone when it is being used.

[Industrial applications]

The present invention relates to a system for performing interrupt control of a command telephone, and in particular, a command telephone accommodated in an automatic private branch exchange.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a command telephone interrupt control method for enabling a command call to be interrupted when an emergency command arrives during a general call.

The command telephone is housed in an automatic private branch exchange and used for the purpose of urgent command communication with a command console.

When such a command telephone is used in combination with a general call other than the command call, it is demanded that an emergency command incoming call be possible at the time of an emergency command, regardless of the call state at that time.

[Conventional technology]

2. Description of the Related Art Conventionally, a command telephone for receiving an emergency command is housed in an automatic exchange separately from a telephone for a general call, and is used exclusively for receiving a command. However, in this case, place the phone in the same location.
There is a problem that a table must be installed.

On the other hand, using only one telephone, the command telephone can be used for general calls,
There is known a system in which a command call can be made when an emergency command is received.

[Problems to be solved by the invention]

However, since the conventional command telephone used for general calls has only one device number, if it is being used for general calls, it will be busy even when an emergency command is received. I cannot accept a command and talk.

In such a conventional system, in an automatic exchange accommodating a command telephone, depending on the terminal state of the command telephone,
There has been a problem that a command call can be made only in a specific state that is not being used for a general call.

In addition, for the same reason, there has been a problem that it is not possible to simultaneously use the general telephone for enabling the emergency telephone to always receive the emergency command on the command telephone.

SUMMARY OF THE INVENTION The present invention is to solve such a problem of the prior art, and in a state where a command telephone accommodated in an automatic exchange performs a general call using a general call device number, a command call is performed. When a call occurs, the call can be interrupted to a general call by the command call device number, so that the command telephone can be used for general calls and even if the command telephone is used for general calls, It is an object of the present invention to provide a command telephone interrupt control method that can perform an interrupt by a telephone.

[Means for Solving the Problems] FIG. 1 shows the basic configuration of the present invention.

According to the command telephone interrupt control method of the present invention, in an automatic exchange 4 accommodating a telephone 1 for receiving a command, a first device number for making and receiving a general call to the telephone 1 and a command call are received. When a call is received by the second device number, an interrupt call is made possible even when the telephone 1 is used for a general call.

Further, the command telephone interrupt control system of the present invention provides a first telephone for making and receiving a telephone call with a general line connected to a general telephone 2 in the automatic exchange 4 accommodating the telephone 1 for receiving a command. A device number and a second device number for receiving a command call on a command line connected to the command board 3 are given. At the same time, the telephone 1 and the automatic exchange 4
A switch 6 is provided in a control device 5 for connecting the telephone 1 to a command line or a general line in accordance with the presence or absence of an incoming second device number.

[Action]

2 (a) to 2 (d) illustrate the operation of the present invention, wherein 11 is a command telephone, 12 is a general telephone, 13 is a command table, 14 is an automatic private branch exchange, and 15 is a command telephone. The control device, a1 is a general call device number assigned to the command telephone set 11, and a2 is a command call device number similarly.

Now, as shown in FIG. 2 (a), it is assumed that the command telephone 11 is communicating with the general telephone 12 via the automatic private branch exchange 14 by the general telephone unit number a1.

In this state, an interrupt method when a command transmission call is performed from the command table 13 will be described.

The command base 13 is, as shown in FIG.
During a call, 11 notifies the incoming call to the command communication device number a2 of the command telephone control device 15 via the automatic private branch exchange 14.

As a result, as shown in FIG. 2 (c), an interrupt sound is transmitted to the command telephone 11 in the command telephone control device 15.

Thereafter, the line is switched as shown in FIG. 2 (d), and an interrupt call between the command telephone 11 and the command board 13 becomes possible.

As described above, according to the present invention, interruption of a command call can be realized even when the command telephone is busy.

〔Example〕

FIG. 3 is a flowchart showing the operation of one embodiment of the present invention.

When there is no incoming call on the command line, a call is made between the command telephone and the general telephone by the normal processing.

When the command line is received and the general line is in use, a talk sound indicating the command reception is connected to the command telephone (and a general telephone), and after a predetermined timing is monitored, The line is disconnected and the command telephone is switched to the command line and connected. When the general line is not in use, immediately connect to the command line.

Next, the command telephone is set to a busy (busy) state with respect to the general line, and a telephone call state is set with respect to the command line.

When the command call is completed, the command telephone is switched to the general line and connected, and the command telephone is vacant with respect to the general line.

FIG. 4 is a diagram showing a connection configuration according to an embodiment of the present invention, in which the same components as those in FIG.
Is the subscriber circuit (LC), 17 is the external ringer device (AEXRGA),
18 is an external talker (TKE).

In FIG. 4, a command telephone 11 is a command telephone control device.
The connection to the automatic private branch exchange 14 is provided via a general line time slot (general TS) and a command line time slot (command TS) via 15. The general telephone 12 is connected to an automatic private branch exchange 14 by a general TS via a subscriber circuit 16, and the command base 13 is controlled by the automatic private branch exchange
Connected to 14.

The external ringer device 17 sends out a ringer via the command telephone control device 15, and the external talker device 18 sends out a predetermined talkie prepared in advance via the command telephone control device 15. In the drawing, MDF indicates a main wiring board, and JKL indicates a test circuit including a jack (J), a key (K), a lamp (L) and the like.

The command telephone control device 15 has a function of a subscriber circuit for the command telephone 11, has a codec corresponding to a general TS and a command TS, a changeover switch for switching between a general line and a command line, and It consists of a controlling processor and the like.

FIG. 5 shows the functions of the command telephone control device, wherein reference numerals 21 and 22 denote codecs (CODEC) for exchanging digital signals and analog signals with each other; 26 is an arithmetic circuit, and 27 is a 2-wire to 4-wire conversion circuit.

The codec 21 performs mutual conversion between a time slot of a general line of an uplink highway (uplink HW) and a downlink highway (downlink HW) and an analog signal of the command telephone. Codec 22 is also the uphill highway (uphill HW)
And exchanges the time slot of the command line of the downlink highway (downlink HW) with the analog signal of the command telephone.

The changeover switches 23 and 24 switch input / output signals on the command telephone side between a general line and a command line. Inputs 2M in the codecs 21 and 22 are provided by switches 23 and 2
4 is a control signal for switching. The input / output signal on the command telephone is connected to a command telephone (not shown) via a 2-wire to 4-wire conversion circuit 27.

The arithmetic circuit 25 receives a signal from the command telephone and a busy tone (BT
Sound) and various talk sounds, and a changeover switch
23 to the general line or command line, and the arithmetic circuit 26
Combines the signal of the general line or the command line switched via the changeover switch 24, the busy tone, and the various talk sounds, and sends out to the command telephone.

〔The invention's effect〕

As described above, according to the present invention, a command telephone housed in an automatic exchange can be used for general talk, and an interruption by the command telephone is performed even when the command telephone is used for a general call. be able to.

[Brief description of the drawings]

FIG. 1 is a diagram showing the principle configuration of the present invention, and FIGS.
(D) is a diagram for explaining the operation of the present invention, FIG. 3 is a flowchart showing the operation of one embodiment of the present invention, FIG. 4 is a diagram showing the connection configuration of one embodiment of the present invention, FIG. FIG. 3 is a diagram showing functions of a command telephone control device. 1 is a telephone for receiving a command, 2 is a general telephone, 3 is a command board, 4 is an automatic exchange, 5 is a control device, and 6 is a switch.

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-63-177691 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) H04M 3/00 H04M 3/16-3 / 20 H04M 3/38-3/64 H04M 7/00-7/16

Claims (2)

(57) [Claims] An automatic exchange (4) accommodating a telephone (1) for a designated receiving order, a first telephone for making and receiving a general call to and from the telephone (1).
Device number and a second device number for receiving the command call, and when an incoming call is received by the second device number, if the telephone (1) is used for a general call, the telephone (2) (1) An interrupt control method for a command telephone, which enables an interrupt call. 2. An automatic exchange (4) accommodating a designated receiving telephone (1), a second telephone for making outgoing / incoming calls to the telephone (1) with a general line connected to a general telephone (2). 1 and a second device number for receiving a command call on a command line connected to the command console (3), and connects the telephone (1) to the automatic exchange (4). A command telephone interrupt, wherein the control device (5) is provided with a switch (6) for switching the telephone (1) to a command line or a general line for connection depending on whether there is an incoming call by the second device number. control method.