JPH0563824A - Incoming call system - Google Patents

Abstract

PURPOSE:To allow the user to be released from a trouble by an incoming call tone by implementing incoming call display to a digital composite terminal equipment in which a called destination extension terminal equipment is registered in an extension button when an incoming call comes to an extension terminal equipment and the called extension terminal equipment does not make absence registration. CONSTITUTION:When an incoming call comes to an extension terminal equipment 3-2, whether or not the extension terminal equipment 3-2 makes absence registration is discriminated, and when no absence is registered, the incoming call is displayed to the extension terminal equipment 3-2, an incoming call tone rings and the incoming call is displayed on a digital composite terminal equipment 3-3 in which the called destination extension terminal equipment is registered to an extension button, and if the absence registration is implemented, only the incoming call is displayed to the called destination extension terminal equipment 3-2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a plurality of digital composite terminals accommodated in an electronic exchange, and other digital composite terminals can be registered as extension terminals by using the function buttons of the digital composite terminals. The present invention relates to an incoming call system in which the digital composite terminal is configured to be able to register the enrolled / unenrolled status of these digital compound terminals.

In recent years, various services can be registered in the function buttons of the digital compound terminal accommodated in the electronic exchange, and the extension button service is provided therein. Then, the extension button enables to send and receive a plurality of lines other than the main line of the digital composite terminal.

[0003]

2. Description of the Related Art FIG. 3 is a flow chart of processing in a conventional incoming call system. Before explaining FIG. 3, first of all, referring to FIG. 2, an overall structure of an electronic exchange accommodating a plurality of digital composite terminals will be described. Will be explained.

In FIG. 2, reference numeral 1 is a network (NW) of electronic exchanges, and this network 1 accommodates a plurality of digital composite terminals 3-1, 3-2, 3-3, ....

Reference numeral 2 is a central control unit (CC), which is a digital composite terminal 3-i (i = 1, 2,
3, ...) In addition to checking the dialed number, it is checked whether the digital composite terminal of the callee is available or not in use.

3-i is a digital compound terminal, and this digital compound terminal 3-i is a subscriber circuit (LC) 4-i.
It is connected to the network 1 of the electronic exchange through the, and each has a function button. Now, it is assumed that the digital compound terminal 3-3 uses the extension button to register the other digital compound terminal 3-2 as an extension terminal.

Reference numeral 5 is a subscriber line scanning device (LSCN), and this subscriber line scanning device 5 is a digital composite terminal 3
-Detects the number dialed from i. 6
Is an extension free / busy display table (SBICT), and this extension free / busy display table 6 is for checking whether the digital composite terminal 3-i is free / busy under the control of the central control unit 2.

Reference numeral 7 is an absence registration device (SDND). 8
Is a multiline group table (MLTB), and this multiline group table 8 is a digital composite terminal 3-i.
Other digital composite terminal is registered as an extension terminal in the extension button.

9 is a maintenance console (MC),
The maintenance console 9 sets the data of the multiline group table 8 and preliminarily sets the digital composite terminal 3-
The extension button of i is registered. 10 is LSC
Is.

With such a configuration, the conventional incoming call system performs the following operation according to the process flow chart shown in FIG. First, in step S31, the digital compound terminal 3-1 dials the number of the digital compound terminal 3-2. Then, the subscriber line scanning device 5 of the exchange detects the dialed number, and the central control unit 2 checks the dialed number to identify the destination.

Then, in step S32, under the control of the central control unit 2, the extension free / busy display table 6 checks the free / busy state of the destination digital composite terminal 3-2.
Next, in step S33, if the digital compound terminal 3-2 is empty, in step S34, an incoming tone ON order is transmitted to the destination digital compound terminal 3-2, the incoming tone is sounded, and The order for displaying the incoming call is sent to the lamp of the line button and the incoming call is displayed.

Further, according to the multiline group table 8,
Check whether the destination digital compound terminal 3-2 is registered to the extension button of another digital compound terminal,
An order for displaying an incoming call on the lamp corresponding to the extension button is transmitted to the digital composite terminal 3-3 which has registered the destination digital composite terminal 3-2 as an extension button. Further, the vacancy / in-use display table 6 of the extension is used to check the vacancy / in-use of the digital composite terminal 3-3. Incoming call control.

On the other hand, if it is determined in step S33 that the digital composite terminal 3-2 is in use, in step S35, an order for displaying the incoming call on the lamp of the main line button is displayed on the destination digital composite terminal 3-2. To display the incoming call only.

In step S36, the multi-line group table 8 is used to check whether the destination digital composite terminal 3-2 is registered as an extension button of another digital composite terminal, and the destination digital composite terminal 3-2 is checked. Digital compound terminal 3 which has registered 2 as an extension button 3-
In response to No. 3, the order for turning on the incoming call tone is transmitted, the incoming call tone is sounded, and the order for displaying the incoming call is transmitted and the incoming call is displayed.

[0015]

However, in such a conventional incoming call system, an incoming call is made to the digital composite terminal as the extension terminal while the extension button is registered in the function button of the digital composite terminal. In this case, since both the digital composite terminal as an extension terminal and the digital composite terminal that has registered this extension terminal as an extension button are controlling the incoming call display and the incoming tone, Even if the user is available to the digital composite terminal while seated and available, the digital composite terminal that has registered this extension terminal as an extension button simultaneously receives the incoming call tone, which is annoying. There is.

The present invention was devised in view of such a problem, and when an incoming call is made to a digital compound terminal as an extension terminal, and when the digital compound terminal as an extension terminal of the called party is not under absent registration. Aims to provide an incoming call system that enables the digital composite terminal that has registered the called extension terminal as an extension button to display only the incoming call, and to be relieved from the trouble of the incoming call tone. To do.

[0017]

Therefore, the receiving system of the present invention is provided with a plurality of digital composite terminals accommodated in an electronic exchange, and the function buttons of the digital composite terminals are used to provide another digital composite terminal. Of the digital composite terminal and the registered / unregistered status of these digital composite terminals can be registered, and an incoming call is made to another digital composite terminal as the extension terminal. If occurs, it is determined whether or not the other digital composite terminal as the destination extension terminal is in the absence registration, and if not, the other digital composite terminal as the destination extension terminal, While displaying the incoming call and sounding the incoming call tone, only the incoming call display is displayed on the digital composite terminal that has registered the destination extension terminal as an extension button. Carries out, if it is if absent during registration, in addition to the digital multifunction terminal as the destination extension terminal, and characterized by performing the incoming call display only (claim 1).

According to the second aspect of the present invention, when an incoming call is made to another digital compound terminal as the extension terminal, the incoming call is received when the destination extension terminal is in the absence registration. In addition to displaying an incoming call only to another digital compound terminal as a destination extension terminal, when the digital compound terminal is available depending on the usage status of the digital compound terminal that has registered the destination extension terminal as an extension button. Is characterized in that the digital composite terminal displays an incoming call and sounds an incoming tone, while the digital composite terminal is only displaying an incoming call when the digital composite terminal is in use.

[0019]

In the above-described call reception system of the present invention (claims 1 and 2), first, when an incoming call is made to the other digital composite terminal as the extension terminal, the other digital composite terminal as the destination extension terminal. Determines whether the person is absent. Then, the following operation is performed according to the determination result.

(1) When the absence registration is not in progress: While the incoming call is displayed and an incoming tone is sounded on the other digital composite terminal as the destination extension terminal, the digital composite in which the destination extension terminal is registered as an extension button Only display the incoming call on the terminal.

(2) When absent registration is in progress Only the incoming call is displayed on the other digital composite terminal as the destination extension terminal. Also, depending on the usage status of the digital composite terminal in which the destination extension terminal is registered as an extension button, when the digital composite terminal is available, the digital composite terminal displays an incoming call and sounds an incoming call tone. On the other hand, when the digital compound terminal is in use, only the incoming call is displayed on the digital compound terminal.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a process flow chart in one embodiment of the present invention. Before explaining FIG. 1, the overall configuration of an electronic exchange accommodating a plurality of digital composite terminals will be described with reference to FIG. As described in detail in the above-mentioned prior art, the network shown in FIG. 2 has a network (NW) of electronic exchanges 1, a central control unit 2, a plurality of digital composite terminals 3-i, and each digital composite terminal 3 Subscriber circuit (LC) 4-i provided corresponding to -i, subscriber line scanning device (LSCN) 5, extension idle / busy display table (SB)
ICT) 6, absence registration device (SDND) 7, multiline group table (MLTB) 8, maintenance console (MC) 9, LSC 10, but the function of each member has already been described. Detailed description is omitted.

Next, the present incoming call system will be described with reference to the processing flow chart in the embodiment of the present invention shown in FIG. First, in step S1, the digital compound terminal 3-1 dials the number of the digital compound terminal 3-2. Then, the subscriber line scanning device 5 of the exchange detects the dialed number, and the central control unit 2 checks the dialed number to identify the destination.

Next, in step S2, the free / busy information of the destination digital composite terminal 3-2 is extracted from the extension free / busy display table 6 under the control of the central controller 2. If it is determined in step S3 that the digital compound terminal 3-2 is empty, the absence / attendance information of the digital compound terminal 3-2 is sent from the absence registration device 7 that registers the absence / attendance status corresponding to the extension in step S5. To check whether the person is absent.

If it is not registered at step S6, at step S7, the digital compound terminal 3-2 is selected.
In addition to sending an order for displaying the incoming call to the incoming call display, sending an order for turning on the incoming tone and sounding the incoming tone.

After that, the process proceeds to step S8, and the multi-line group table 8 indicates the destination digital composite terminal 3
2 is extracted as an extension button, the digital composite terminal 3-3 is extracted, the order of the incoming call display is sent to the lamp corresponding to the extension button of the digital composite terminal 3-3, and only the incoming call display is performed.

On the other hand, in step S6, when the absence registration is in progress, in step S9, the order of the incoming call display is sent to the digital composite terminal 3-2, and only the incoming call display is performed. Subsequently, in step S10, the digital composite terminal 3-3 in which the destination digital composite terminal 3-2 is registered as an extension button is extracted from the multi-line group table (MLTB) 8 and the digital composite terminal 3-3 is extracted. Free / busy information of 3 extension free / busy display table 6
Extract more.

Then, in step S11, when the digital composite terminal 3-3 is empty, the digital composite terminal 3
An order for displaying the incoming call is sent to the lamp corresponding to the extension button -3, the incoming call is displayed, the order for turning on the incoming call tone is sent, and the incoming tone is sounded (step S12).

On the other hand, in step S11, when the digital composite terminal 3-3 is in use, the order of the incoming call display is sent to the lamp corresponding to the extension button of the digital composite terminal 3-3.
Only the incoming call is displayed (step S13).

By the way, in step S3, when the digital composite terminal 3-2 is in use, the following operation is performed.
First, in step S14, only an incoming call is displayed on the digital composite terminal 3-2. Next, in step S15, it is checked whether the digital composite terminal 3-2 of the incoming call destination is registered as an extension button and the digital composite terminal 3-3 is vacant / in use. If it is empty in step S16, an incoming call is displayed on the digital composite terminal 3-3 and an incoming tone is sounded in step S17, while if the digital composite terminal 3-3 is in use, step S1 is performed.
In step 8, only the incoming call display is displayed on the digital composite terminal 3-3.

According to the above-mentioned control, when the digital composite terminal of the called party can respond due to the presence / absence of the digital composite terminal of the called party, the incoming call tone of the digital composite terminal of the called party is sounded and registered in the extension button. The ring tone of the digital compound terminal that is operating does not sound. Also,
When no response is possible, the dialing tone of the dialed digital compound terminal does not sound, and the ringing tone can be sounded to the digital compound terminal registered in the extension button.

As a result, when an incoming call is made to the digital compound terminal as the extension terminal, and when the digital compound terminal as the extension terminal of the callee is not in the absence registration,
Since only the incoming call can be displayed on the digital composite terminal in which the called extension terminal is registered as an extension button, the trouble of the incoming call tone is released.

[0033]

As described above in detail, according to the call reception system of the present invention, when an incoming call is made to the digital compound terminal as the extension terminal, the digital compound terminal as the destination extension terminal is in the absence registration. There is an advantage that it is possible to determine whether or not there is a ring tone and sound the ring tone only to the digital compound terminal that can respond, and to be relieved from the trouble of the ring tone (claim 1).

In addition, the ring tone is sounded only to the responding digital composite terminal according to the use state of the receiving digital composite terminal and the digital composite terminal in which the receiving digital composite terminal is registered as an extension button. There is also an advantage that it can be done (Claim 2).

[Brief description of drawings]

FIG. 1 is a processing flow chart according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an overall configuration of an electronic exchange that accommodates a plurality of digital composite terminals.

FIG. 3 is a processing flow chart in a conventional incoming call system.

[Explanation of symbols]

 1 Electronic Switch Network (NW) 2 Central Control Unit (CC) 3 Digital Composite Terminal 3-i Digital Composite Terminal 4-i Subscriber Circuit (LC) 5 Subscriber Line Scanning Device (LSCN) 6 Extension Free / In-Use Display Table (SBICT) 7 Absence registration device (SDND) 8 Multiline group table (MLTB) 9 Maintenance console (MC) 10 LSC

Claims (2)

[Claims] 1. A plurality of digital composite terminals (3-i) accommodated in an electronic exchange, and other digital composite terminals (3-2) using the function buttons of the digital composite terminals (3-3). ) Can be registered as an extension terminal, and these digital composite terminals (3-
i) configured so that the registered / unregistered status can be registered, the other digital composite terminal (3-2) as the extension terminal
When an incoming call occurs at the destination, it is determined whether or not the other digital composite terminal (3-2) as the destination extension terminal is in the absence registration, and if it is not in the absence registration, it is determined as the destination extension terminal. While displaying the incoming call and sounding the incoming call tone to the other digital composite terminal (3-2) of the other, only the incoming display is displayed on the digital composite terminal (3-3) which has registered the destination extension terminal as an extension button. In addition, when the absence is being registered, the incoming call display is only displayed on the other digital compound terminal (3-2) as the extension terminal of the called party. 2. The destination extension when the incoming call is made to another digital composite terminal (3-2) as the extension terminal and the destination extension terminal (3-2) is in the absence registration. Other digital compound terminals as terminals (3
-2) only displays the incoming call, and depending on the usage status of the digital compound terminal (3-3) that has registered the called extension terminal (3-2) as an extension button, the digital compound terminal (3-3) 3-3) is empty,
The digital composite terminal (3-3) displays an incoming call and sounds an incoming call tone, while when the digital composite terminal (3-3) is in use, the digital composite terminal (3-3) receives an incoming call. 2. The incoming call system according to claim 1, wherein only the display is performed.