JPS60117864A - Extension subscriber connecting system - Google Patents

Abstract

PURPOSE:To connect a called extension subscriber to any subscriber of an extension or trunk line by allowing the operator to input the name of a called extension subscriber to an external computer when the name of the called extension subscriber is informed to the operator of a trunk line attendant board. CONSTITUTION:Plural extension subscriber numbers and extension subscriber names corresponding to them are inputted by a terminal device HCT at first and they are stored in advance in a host computer HC. When a trunk line incoming call from a trunk line subscriber STA-1 exists next, the operator of the trunk line attendant board ATTCON depresses a response key. Then information relating to the allocated position and connecting state of a runk line trunk CBWT is stored in a memory corresponding to the trunk line attendant board ATTCON in a main storage device MM. When a called extension subscriber STA-2 hooks off the handset, ringing is stopped, a time division switch TDSW is closed through a preserved route and it is possible to connect a trunk line incoming call to the called extension subscriber STA-2.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a method for connecting extension subscribers from a central branch relay board in an automatic private branch exchange.

<Prior Art> Conventionally, in an automatic private branch exchange system that connects an extension subscriber via a central branch relay board, if the central branch subscriber does not know the number of the called extension subscriber, the central branch switch Even if the person handling the central office line subscriber receives the name of the called extension subscriber, it takes a long time to immediately find the number corresponding to that name and connect the central office line subscriber and the called extension subscriber. This has the drawback of requiring time and effort, and thus deteriorating the exchange service.

<Object of the Invention> In view of the above-mentioned drawbacks, an object of the present invention is to add an external computer and an interface means to an automatic private branch exchange, so that a subscriber of a central office line or extension line receiving a call at a central office line relay board can , even if you do not know the number of the called extension subscriber.
Provides an extension subscriber connection method in which a central office line or extension subscriber can be connected to a called extension subscriber by inputting the name of the called extension subscriber into an external computer by the operator of a central office line relay stand. It's about doing.

<Structure of the Invention> The present invention provides an automatic private branch exchange device including an external computer and its interface means, and inputting a plurality of extension subscriber numbers and corresponding extension subscriber names into the external computer in advance. Therefore, when a subscriber of one of the extension lines receiving a call at a central office line relay board tells the name of the called extension subscriber to the operator at the central office line relay stand, the operator sends a call to an external computer. The system is characterized in that by inputting the name of the extension subscriber, any subscriber of the nine extension lines is connected to the called extension subscriber.

<Examples> Examples of the present invention will be described below with reference to the drawings.

FIG. 7 is a diagram showing a relay system to which the present invention is applied, and FIG. 2 is a diagram showing an embodiment of the present invention.

In Fig. 7, (STA) is an extension subscriber (telephone), and hereinafter, line circuit (LC), time division switch (TDS)
W), Ml): yink (CBWT).

Central office line subscribers (8TA-/) are connected in cascade. In addition, a control device (CONT) receives commands from a central processing unit (CPU) connected to the main memory (MM).
) is the line circuit (Lc).

Time Division Switch (TDSW) and Central Branch Trunk (CB)
WT). In addition, the central office line relay stand (ATT)
CON) is connected to the time division switch (CONT) via an interface circuit (ATI) connected to the control device (CONT).
TDSW).

On the other hand, the host computer terminal device (HC'll')
A host computer (HC) is connected to send control information to a central processing unit (CPU) via an interface circuit (HCI).

Next, the connection method will be explained with reference to FIG.

First, a plurality of extension subscriber numbers and their corresponding extension subscriber names are input using the terminal (HCT) and stored in advance in the host computer (HC).

Next, when there is an incoming call from the central office line subscriber (8TA-/), the operator of the central office line relay console (ATTCON') presses down the answer key and presses the interface circuit of the central office telephone relay console (ATTCON').
ATI) sends this information to the central processing unit (CPU) via the control unit (CONT). The CPU closes the time division switch (TDSW) according to the route shown in Figure 2 (■), and stores one central office line trunk (
Information regarding the storage location and connection state of the CBW'r) is stored.

This usually results in a central office relay stand (A'r T CON
) responds to incoming calls on the central office line and calls the central office subscriber (STA).
-/) to hear the number of the called extension subscriber (8TA-, 2), and then dial the number of the called extension subscriber using the keypad of the central branch (ATTCON). The root of the λth figure ■ is released, and at the same time the route of the λth
The route shown in Figure ■ is the multi-office line relay stand (ATTCON) and the called extension subscriber (STA-, 2)! : O time division switch (TDsW) is reserved and the called extension subscriber (STA-, 2
) is sent out.

When the called extension subscriber (STA-, 2) picks up the handset,
The ringing stops, the time division switch (TDSW) according to the previously reserved route shown in Figure 1 (■) is closed, and the operator of the central branch relay stand (ATTCON) connects the called extension subscriber (8
After talking to TA-, 2), the incoming call is forwarded to the called extension subscriber (TA-, 2).
8TA-, 2).

In this case, if the central office subscriber (STA-/) does not know the number of the called extension subscriber (STA-, 2), it cannot make a call, but according to this method, as explained below, It is also possible to call a called extension subscriber whose number is unknown.

First, the route shown in Figure 1 ■, the central office line relay stand (ATTC)
ON) (7) Handler tl [talks to the subscriber (STA-/), asks for the name of the called extension subscriber (sT person-, :), and issues a specific code from the Φ-board of the terminal device (HCT). Enter your name. Accordingly, the host computer (HC) searches for the name of the called extension subscriber (STA-1) from among the names of multiple extension subscribers stored in advance, and if the name of the called extension subscriber (STA-1) is not registered, (HCT) to indicate that it is not registered.
The operator of TTCON) informs the central office line subscriber (STA-/) of this and cancels the routes shown in Figure 2 (2).

If the name of the called extension subscriber (STA-1) is registered, the host computer (HC) sends the number and registered name of the called extension subscriber (STA-2) to the terminal device (HCT). At the same time, the number and the number of the office line relay console (ATTCON) are sent to the central processing unit (CPU) via the interface circuit (HCI).

When the central processing unit (C'P'U) receives these number information, it converts it into the accommodation location information of the called extension subscriber (STA-, 2) and the central office line relay stand (ATTCON), and sends it to the main station. Office line relay stand (ATTCO) in the storage device (MM)
The called extension subscriber (8TA-J) is stored in the memory corresponding to the called extension subscriber (8TA-J
) storage location information is stored.

Then, the main memory (MM) contains the central office line relay board (A'I').
Identify the connection status of the above-mentioned central office line relay board (ATTCON) stored in the memory corresponding to the central office line (TCON), and if it is connected to the central office line, connect the time division switch (TDSW) according to the route shown in Figure 2 ■. (however, the link must be reserved) and the time-sharing switch (
TDSW) and the called extension subscriber (8TA-, 2
) and a ring pack tone to the central office line relay console (ATTCON), respectively, and the CPU performs the same processing as when receiving the called extension subscriber number from the central office line relay console (ATTCON). .

As a result, even if an extension call occurs during an extension call, the accommodating location information of the called extension subscriber (STk-2) is stored in the memory corresponding to the central office relay stand (ATTCON) in the main memory (MM). Therefore, the operator of the central office line relay board (ATTCON) connects to the central office line subscriber (STA-/) via route ■, and receives the number of the called extension subscriber (STA-,2) and The extension subscriber (8TA-2) can notify that the line is busy and cancel the line, or can perform normal operations such as camp-on and interrupt connection.

So far, only the response to an incoming call from the central office line at the central office relay stand (ATTCON) has been described, but conversely, the same applies to the response to an incoming call from an extension (for example, 8TA-, 2), so a description thereof will be omitted.

<Effects of the Invention> As explained above, the present invention enables the central office line relay stand to handle the call even when the subscriber of the central office line or extension who receives a call at the central office line relay stand does not know the number of the called extension subscriber. By inputting the name of the called extension subscriber into an external computer, a person can connect the office line or extension subscriber to the called extension subscriber.

[Brief explanation of drawings]

FIG. 7 is a diagram showing a relay system to which the present invention is applied.
The figure is a diagram showing an embodiment of the present invention. STA: Extension subscriber (telephone). 5TA-/... Office line subscriber (telephone)/8TA-,!
...Called extension subscriber (telephone). LC...Line circuit. T D 8W...Time division switch. CBWT... Central office trunk. C0NT...control device. CPU...Central processing unit. MM...Main memory device p HCI...Interface circuit. HC...Host computer. HCT...terminal device. ATTCON... Office line relay board - ATI... Interface circuit. Patent applicant: NEC Corporation

Claims (1)

[Scope of Claims] In an automatic private branch exchange device that connects to extension subscribers via a central branch relay board, the automatic private branch exchange device is provided with an external computer, and a plurality of extension subscriber numbers and a plurality of extension subscriber numbers are stored in the external computer in advance. By entering the name of the corresponding extension subscriber, the subscriber of either the extension or the central office line who received the call at the central office line relay board can notify the person handling the central office line relay board that the called extension subscriber has received the call. When the handler tells the name of the called extension subscriber, the handler inputs the name of the called extension subscriber into the external computer, thereby connecting any subscriber of said extension 1 line to the called extension subscriber. An extension subscriber connection method characterized by: