JPH03255760A - Subscriber release controlling system - Google Patents

Abstract

PURPOSE:To improve the convenience of using an exchange by forcedly moving a subscriber to an on-hook state when a subscriber as a called party under speaking with the subscriber is moved to the on-hook state, and executing new call origination and termination without executing an on-hook operation by the subscriber. CONSTITUTION:When a multifunction extension (EKT) 2b of the subscriber as the called party under speaking with an EKT 2a of the subscriber is moved to the on-hook state in advance, a release control part 121 moves the EKT 2a to the on-hook state even without executing the on-hook operation at the EKT 2a and therefore, the EKT 2a can immediately receive the next incoming call. Accordingly, when the EKT 2a executes guide service, for example, and it is necessary to successively make correspondence to the incoming calls, it is not necessary to execute the on-hook operation each time after the called party is turned to the on-hook state, and the correspondence can be speedily made to the next incoming call.

Description

[Detailed Description of the Invention] (Summary) Regarding a subscriber release control method in an exchange that controls the state of a subscriber, if a subscriber who is talking with a subscriber accommodated in the exchange transitions to an on-hook state first, , the purpose of which is to enable transition to the on-hook state without performing an on-hook operation, and a release that forcibly transitions the subscriber to the on-hook state when the other subscriber who is talking with the subscriber transitions to the on-hook state. A means is provided so that new calls can be made and received without the subscriber having to perform an on-hook operation.

[Industrial application field]

The present invention relates to a subscriber release control method in an exchange that controls subscriber status.

When a high-performance terminal device is used by a subscriber housed in an exchange, the exchange may control the entire state of the terminal device, including the display states of various lamps.

[Conventional technology]

FIG. 4 is a diagram showing an example of a conventional private branch exchange, and FIG. 5 is a diagram showing an example of extension call termination processing in FIG. 4.

In FIGS. 4 and 5, a private branch exchange 1 has an extension 2. and 2b [hereinafter referred to as multifunctional extension (EKT) 2. and 2b] is
multifunction extension circuit (KLC) 14, and 14. The office line 3 is accommodated in the office line trunk (COT) 16.

Here, the multifunction telephone m (EKT) is equipped with various lamps, displays, various push buttons, etc. to realize multiple functions, and the state of the multifunction telephone (EKT) (for example, idle state, incoming call state, call Depending on the status, etc.), the required lamps will light up and the required information will be displayed on the display, but the status of the multifunction telephone (EKT) is completely managed by the private branch exchange 1, and the multifunction telephone Each time the state of (EKT) is changed, a necessary control signal is transmitted to the multifunction telephone (EKT) to change the lighting state of the lamp and the information displayed on the display. Therefore, when a push button or the like provided on the multifunction telephone (EKT) is operated, only a control signal indicating the operation of the push button is transmitted to the private branch exchange 1, and the There is no autonomous state transition.

Currently multifunctional extension (EKT) 2. and 2. are connected via the network (NW) 11 and a call is in progress, the call processing device (CPR) 12 of the private branch exchange 1 connects the multifunction extension (EKT) 2. and 2 are set to the talking state, and the line processor (LPR) 15. and 15ゎ, and multifunction extension circuit (KLC) 14. and 14b
Multifunction Extension (EKT) via 2. and 2b, lights a lamp corresponding to the call status, displays information corresponding to the call status on the display, and transmits the necessary control signal to the multifunction extension (EKT) 21 and 2b. At a predetermined period, it is monitored whether or not a push button operation (hereinafter referred to as an on-hook operation) indicating the end of a call is executed (steps Sll and 5L2 in FIG. 5).

Eventually, a multifunctional extension line (EKT)2. Assume that the call between EKT and EKT 2b ends, and multifunction extension (EKT) 2b first performs an on-hook operation and transmits a corresponding control signal (hereinafter referred to as an on-hook signal) to private branch exchange 1.

In the private branch exchange 1, - call processing device (cpR) 12
receives an on-hook signal transmitted from the multi-function extension (EKT) 2b via the multi-function extension circuit (KLC) 14b and line processor (LPR) 15, the multi-function extension (EKT) 2 is placed in an on-hook state. A control signal is transmitted to the multi-function extension (EKT) 2b to change the lighting state of the lamp and the information display state of the display to correspond to the on-hook state (step 5).
12) Monitor transmission of an on-hook signal from multifunction extension (EKT) 2° (step 513).

Eventually, a multifunctional extension line (EKT)2. Assume that the terminal also executes an on-hook operation and transmits a corresponding on-hook signal to the private branch exchange 1.

In the private branch exchange 1, a call processing device (cpR) 12 has a multifunction extension (EKT) 2. The on-hook signal transmitted from the multifunction extension circuit (KLC) 14. and line processor (LPR) 15, transitions multifunction extension (EKT) 2 to an on-hook state; A control signal is transmitted to the terminal to change the lighting state of the lamp and the information display state of the display to correspond to the on-hook state (step S1).
3 and 311), after confirming that the multifunction extension (EKT) 2b is also already on-hook (step 514).
, multifunctional extension (EKT)2. and determines whether the call between 21 and 21 has ended.

[Problem to be solved by the invention]

As is clear from the above explanation, in conventional private branch exchanges, multifunction extension (EKT) 2. Multi-function extension (EKT) during a call 2. even if it transitions to the on-hook state first,
The multifunction extension (EKT) 2゜ is kept in the talking state until the on-hook operation is performed.
．． In order to transition to an on-hook state and make a new call possible, an on-hook operation must be performed, which may impair the convenience of the private branch exchange 1.

An object of the present invention is to enable transition to an on-hook state without executing an on-hook operation when a subscriber who is talking with a subscriber accommodated in an exchange transitions to an on-hook state first.

[Means to solve the problem]

FIG. 1 is a diagram showing the principle of the present invention.

In FIG. 1, 100 is an exchange, and 200 is an exchange 10.
The subscriber 300 accommodated in the subscriber 0 is the other subscriber who is talking with the subscriber 200.

400 is a release means provided according to the invention.

[Effect]

Exchange 100 controls the status of subscriber 200.

The release means 400 releases the subscriber 20 when the other subscriber 300 who is talking with the subscriber 200 transitions to an on-hook state.
0 is forced into the on-hook state.

Therefore, the subscriber who has finished the call can accept a new incoming call without performing an on-hook operation, improving the convenience of the exchange.

〔Example] An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 is a diagram showing a private branch exchange according to an embodiment of the present invention, and FIG. 3 is a diagram showing an example of extension call termination processing in FIG. 2. Note that the same reference numerals indicate the same objects throughout the figures.

In FIG. 2, a private branch exchange 1 is shown as the exchange 100 in FIG. 1, and the subscriber 20 in FIG.
Multifunction extension (EKT) 2 is shown as 0, and the first
A multi-function extension (EKT) is used as the other subscriber 300 in the figure.
) 2b is shown, and as the release means 400 in FIG. 1, a release control unit 121 for executing extension call termination processing as illustrated in FIG. 3 is provided in the call processing device (CPR) 12.

Also in FIG. 2, multifunction extension (EKT) 2 and 2. The status of the EKT is controlled entirely by the private branch exchange 1, and the lighting status of the multifunction telephone (EKT) lamp and the information display status of the display are controlled by control signals transmitted from the private branch exchange 1, and the push buttons etc. When operated, only a control signal indicating the operation of the push button is transmitted to the private branch exchange 1, and the state does not autonomously change within the multifunction telephone (EKT).

The main memory bag W (MM) 13 of the private branch exchange 1 accommodates a multifunction extension (EKT) 2. Extension data (SDB) 131□ and 131□ゎ corresponding to 2° and 2° are provided. Extension data (SDB) 131□, and 1
Lamp lighting information 12.31zb each controls the lighting state of the lamp. and! 2. and display display information 1a and dZb to be displayed on the display, as well as release control information CZm and czb indicating that the subscriber release control method according to the present invention is applied.

The main memory (MM) 13 also contains each multifunction extension (EK).
T)2. An idle block table (IBT) 132 is provided that stores idle block information b21 and bzb indicating the idle status of blocks 2b and 2b.

In Figures 2 and 3, the current multi-function extension (EKT)
)2. and 2b are connected via the network (NW) 11, and when a call is in progress, the call processing device (CPR) 12 of the private branch exchange 1 connects the multifunction extension (EKT) 2. and PAN are both set to talk state, and the air block table (IB
T) Blocked information for 132 1) Both 2m and bib are set to blocked status, and extension data (SDB)
131□ and 131zb have call processing equipment (CPR)
12 are multifunctional extensions (EKT) 2. And lamp lighting information corresponding to the call status transmitted to the general public! ,and! 21, and display information dma and at
b is stored.

The call processing device (CPR) 12 also has a multifunction extension (EKT)
)2. It is monitored at a predetermined period whether or not an on-hook operation is executed in and on the terminal (steps S21 and 522 in FIG. 3).

Eventually, a multifunctional extension line (EKT)2. and 2. When the call between EKT and EKT ends, multifunction extension (EKT) 2b first performs the on-hook operation and sends the corresponding on-hook signal to private branch exchange 1.
Suppose that it is transmitted to

In the private branch exchange 1, a call processing device (CPR) 12 has a multifunction extension (EKT) 2. When the on-hook signal transmitted from
Lamp lighting information 1- corresponding to on-hook state for 1tb
zb and display display information d. , line processor (LPR) 15b and multi-function extension circuit (
KLC) 14, via multifunctional extension (EKT) 2. and the multi-function extension (IBT) 132.
The air block information bib corresponding to EKT) 2b is set to empty (step 522), and the multi-function extension (EKT)
) 2b and the multifunction extension (EKT) 2. When it is identified that the release control information cza is stored with reference to the extension data (SDB) 131o corresponding to , the release control unit 121 is activated.

The activated release control unit 121 is a multi-function extension (EKT)
2. Even if an on-hook signal is not transmitted from the EKT, a release process is executed to transition the multifunction extension (EKT) 2° to an on-hook state (step 523).

That is, the release control unit 121 controls the multifunction extension (EKT) 2. to on-hook state, and extension day 9 (SDB) 1
Lamp lighting information 1 corresponding to on-hook state in 31□1
2 and display display information d2m, line processor (LPR) 15m and multi-function extension circuit (
KLC)14. Multifunction Extension (EKT) via 2. and the multi-function extension (IBT) 132.
, EKT) are set to the vacant state (step 523).

As a result of the above, the multifunction extension (EKT) 2z- has transitioned to the on-hook state without executing an on-hook operation.

In this state, the multifunction extension (EKT)2. When a call arrives at
32, multifunctional extension (EKT) 2. When it is determined that the blockage information b24 corresponding to EKT is in a vacant state, the following incoming call processing for the multifunction extension (EKT) 2□1 is executed.

That is, the multifunction extension (EKT) 2□1 is transitioned from the on-hook state to the incoming state, the blockage information 1) 2i is set to the blocked state, and the lamp corresponding to the incoming state is set in the extension data (SDB) 131□3. Lighting information la, and display display information d! , and line processor (L
PR)15. and multi-function extension circuit (KLC)14. Multifunction Extension (EKT) via 2. The multifunction extension (EKT) 2 lamp is lit to indicate an incoming call, and incoming call information (for example, the calling subscriber's telephone number, etc.) is displayed on the display.

By lighting the lamp and displaying information on the display, the multifunction extension (EKT) 2. immediately operates the push button indicating a response, the corresponding control signal (response signal) is transmitted to the private branch exchange I, and the multifunction extension (EKT) 2. becomes available to answer incoming calls.

The above process is performed using multi-function extension (EKT) 2. Even if EKT transitions to on-hook state first, multifunction extension (EKT) 2
．． (step 524).

As is clear from the above description, according to this embodiment, multi-function extension (EKT) 2. Multi-function extension (EKT) currently calling
2b transitions to the on-hook state first, the release control unit 121 switches the multifunction extension (EKT) 2.2b to the on-hook state first. In order to transition to the on-hook state even if no on-hook operation is performed in the multifunction extension (EKT) 2. will be able to accept the next incoming call immediately.

Therefore, multifunctional extension (EKT)2. For example, if you are running a guidance service and need to answer a series of incoming calls, after the other party goes on-hook, -
You can immediately answer the next incoming call without having to perform an on-hook operation every time.

Note that FIGS. 2 and 3 are merely examples of the present invention, and for example, the other party of the multi-function extension (EKT) 21 is not limited to the multi-function extension (EKT) 2b; The case of being a subscriber of a public communication network connected via vA3 is also considered.

In such a case, when the subscriber at the other end of the call transitions to an on-hook state, the busy tone transmitted from the public communication network (not shown) to the central office line 3 is detected in the central office line trunk (COT) 16, and call processing is performed. By making it possible to detect that the central office line 3 has transitioned to the on-hook state in the bag f (CPR) 12, similar processing becomes possible.

Although many other modifications may be considered, the effects of the present invention remain the same in any case.

Moreover, the exchange 100 and the subscriber 20 that are the object of the present invention
0 is the illustrated private branch exchange 1 and multifunction internal B (EK
T)2. and 2. Needless to say, it is not limited to.

〔Effect of the invention〕

As described above, according to the present invention, in the exchange, a subscriber who has finished a call can accept a new incoming call without performing an on-hook operation, thereby improving the convenience of the exchange.

[Brief explanation of drawings]

FIG. 1 is a diagram showing the principle of the present invention, FIG. 2 is a diagram showing a private branch exchange according to an embodiment of the invention, and FIG. 3 is a diagram showing an example of the extension call termination process in FIG. 2. In the figure, 1 is a private branch exchange, 21 and 2° are multifunctional extensions (EKT), 3 is a central office line, and 11 is a network (NW).
), 12 is a call processing device (CPR), and 13 is a main storage device (
MM), 14. and 14° is a multi-function extension circuit (KL
C), 15. ．． 15b and 17 are line processors (
LPR), 16 is a central office trunk (COT), 100 is an exchange, 121 is a release control unit, 131□, and 131!
b is extension data (SDB), 132 is air block table (IBT)
, 0 0 is the subscriber, 300 is the other subscriber, 00 is □Y± Figure 1 Private branch exchange according to the present invention Figure 2 Figure 3 Figure 4 Extension termination process in Figure 5

Claims (1)

[Claims] An exchange (100) that controls the status of a subscriber (200)
, the other subscriber (300) who is talking with the subscriber (200)
When the subscriber (20
0) forcibly transitioning to the on-hook state (
400), and the subscriber release control system is characterized in that the subscriber (200) is able to make and receive new calls without performing an on-hook operation.