JP2001061011A - Key telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To confirm information capable of specifying a proxy registration system by a key telephone terminal at a registering origin by providing a display control means, etc., to display history of proxy registration regarding the key telephone terminal on a display means to the key telephone terminal when display of the history is inputted in the key telephone terminal at a registering origin. SOLUTION: The proxy registration of incoming call transfer of telephone transfer and refusal of an incoming call is enabled in an optional key telephone terminal Tx (x=1 to n) from each of key telephone terminals T1 to Tn, a maintenance terminal 7 and an external computer 8 in a main control part 6. And when the proxy registration is performed from the key telephone terminals T1 to Tn, the maintenance terminal 7, the external computer 8, the history of registering operation is stored on a history table by making it correspond to the key telephone terminals T1 to Tn at the registering origin and proxy registration information is displayed in the key telephone terminals T1 to Tn at the registering origin according to a notification pattern table in which a notification pattern to the key telephone terminals T1 to Tn at the registering origin is stored by the main control part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a key telephone apparatus for accommodating a plurality of key telephone terminals.

[0002]

2. Description of the Related Art In a conventional key telephone apparatus, call registration or proxy registration of call rejection from one key telephone terminal to another key telephone terminal can be freely set by inputting a password or ID. There is something. For example, it is possible to set the key telephone terminal A to transfer an incoming call to the key telephone terminal B to the key telephone terminal C, or to reject an incoming call to the key telephone terminal B.

Further, as disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 5-212571, a conventional key telephone apparatus has a predetermined priority when incoming calls to a plurality of calling groups are waiting. Some have an automatic call distribution function for distributing incoming calls. This automatic call distribution function is used when a certain key telephone terminal belongs to a plurality of call groups and there is an incoming call from two or more call groups at the same time. Distribute incoming calls according to degree. In addition, besides giving priority to the calling group,
There is also a method in which each key telephone terminal has a priority in a calling group to which the key telephone terminal belongs, and the incoming call is distributed according to the fixed priority.

Some conventional key telephone apparatuses have a display control function for displaying predetermined information on a plurality of key telephone terminals at an arbitrary time. One of the display control functions is, for example, a time display, and the time is periodically displayed on all the key telephone terminals.

[0005]

By the way, the above-mentioned conventional key telephone apparatus has the following problems. With the proxy registration function of call transfer and call rejection, it is not possible to know who has registered by proxy from the registered button telephone terminal. For this reason, if call forwarding or call rejection is set on another key phone terminal due to an operation error or malice, etc. I missed it. Also, since there is no history of who performed the proxy registration, there was no way to prevent a similar problem from recurring.

In the automatic incoming call distribution function, incoming call distribution is always performed with a fixed priority, so that the number of incoming call distributions to each paging group is biased. Also,
When a key telephone terminal belonging to a plurality of call groups becomes empty, even if there is a call group in which a waiting call is registered in a queue (a data structure that handles data in a FIFO manner is called a "queue"). However, since the waiting calls of another paging group are distributed first according to the fixed priority, an even distribution of incoming calls is not performed, resulting in inconvenience in service.

In the conventional display control function, when predetermined information is simultaneously displayed on all the key telephone terminals, the usage rate of the communication path increases and the load on the control unit (CPU) of the key telephone apparatus increases. Other processes could be affected.

The present invention has been made in view of such circumstances, and when a proxy registration is made, it is possible to confirm information that can identify the proxy registration side on the spot at the button telephone terminal of the registration source that has been registered. And can evenly distribute incoming calls to each of multiple calling groups,
It is still another object of the present invention to provide a key telephone apparatus that does not increase the load when predetermined information is transmitted to a plurality of key telephone terminals.

[0009]

To achieve the above object, a key telephone apparatus according to the first aspect of the present invention accommodates a key telephone terminal having a display means, and receives a call forwarding call to each key telephone terminal. In a button telephone device provided with a proxy registration unit capable of registering at least one of transfer and call rejection by proxy with another key telephone terminal, at least information on the button telephone terminal that performed call transfer of call forwarding and call registration of call rejection Storage means for storing the registration time; reading means for reading the registration information stored in the storage means; and a display for displaying the registration information provided in the key telephone terminal of the registration source which registered the registration information as a proxy. Means, and the registration information read by the reading means is displayed on the display means. Lever, characterized by comprising a display control means for displaying the history of the proxy registration about the key telephone terminal on the display unit of the key telephone terminal.

According to the present invention, for example, among the five key telephone terminals A to E, for example, the key telephone terminal E performs the call forwarding of the call forwarding or the proxy registration of the call rejection for the key telephone terminal A. Then, at least the information (extension number, etc.) and the registration operation time of the key telephone terminal E that has performed the registration operation of the call forwarding or the call rejection of the call forwarding are displayed on the display means of the key telephone terminal A. Further, when there is a history display input from the key telephone terminal A of the registration source registered as a substitute, the log of the registration operation relating to the key telephone terminal A is displayed on the display means of the key telephone terminal A. Thereby, the person who uses the registered key telephone terminal A can know who and when registered the key telephone terminal A on behalf of the user. It is possible to prevent regulation from being continued and not to miss important business.

The key telephone apparatus according to the second aspect of the present invention accommodates a key telephone terminal having a display means, and at least one of call forwarding or call rejection of call forwarding for each key telephone terminal is represented by a maintenance terminal. In a button telephone device provided with a proxy registration unit that can be registered, at least a call transfer of call forwarding, a storage unit that stores information and a registration time regarding a maintenance terminal that has performed proxy registration of call rejection,
Reading means for reading the registration information stored in the storage means, display means for displaying the registration information provided in the key telephone terminal of the registration source which registered the registration information by proxy,
While the registration information read by the reading means is displayed on the display means, if there is a history display input at the registration-source button telephone terminal, the proxy registration history relating to the button telephone terminal is stored in the key telephone terminal. And a display control means for displaying on the display means.

According to the present invention, for example, from the maintenance terminal, for example, the button telephone terminal E of the five key telephone terminals A to E is transferred to the button telephone terminal A from the call forwarding of the call forwarding or the call rejection. When the registration is performed, at least the information (extension number and the like) relating to the maintenance terminal E that has performed the registration operation of the call forwarding or the call rejection of the call forwarding and the registration operation time are displayed on the display means of the key telephone terminal A. Further, when there is a history display input from the key telephone terminal A of the registration source registered as a substitute, the log of the registration operation relating to the key telephone terminal A is displayed on the display means of the key telephone terminal A. Thereby, the person using the registered key telephone terminal A can know that the key telephone terminal A has been registered as a substitute at the maintenance terminal. It is also possible to prevent incoming calls from being restricted and prevent important business from being missed.

According to a third aspect of the present invention, the display control means also displays the registration information read by the reading means on the maintenance terminal, and the registration source button registered by proxy. When a history display input is made at the telephone terminal, the proxy registration history of the button telephone terminal is displayed on the maintenance terminal.

According to a fourth aspect of the present invention, there is provided a key telephone apparatus accommodating a key telephone terminal provided with a display means, and performing at least one of call forwarding of call forwarding or call rejection for each of the key telephone terminals by a trunk or a dedicated line. A key telephone device provided with a proxy registration means capable of performing proxy registration from a remote place via a storage means for storing at least information on a trunk or a dedicated line with which proxy registration has been performed, collectable partner information, and registration time; Reading means for reading the registration information stored in the means, display means for displaying the registration information provided in the key telephone terminal of the registration source which registered the registration information by proxy, and reading means for reading the registration information. While the registration information is displayed on the display means, if there is a history display input at the key telephone terminal of the registration source, the key telephone terminal Characterized by comprising a display control means for displaying on the display unit of the key telephone terminal history of proxy registration to.

According to the present invention, for example, of the five key telephone terminals A to E, for example, the key telephone terminal E of the key telephone terminal E from the remote place via the trunk or the dedicated line transfers the call forwarding to the key telephone terminal A. When proxy registration of call transfer or call rejection is performed, at least information on the trunk or leased line that has performed the registration operation, collectable partner information, and the registration operation time are displayed on the display unit of the key telephone terminal A. In addition, the key telephone terminal A of the registration source registered by proxy
When there is a history display input from, the registration operation history of the key telephone terminal A is displayed on the display means of the key telephone terminal A. Thereby, the person who uses the registered key telephone terminal A can know who and when registered the key telephone terminal A on behalf of the user. It is possible to prevent regulation from being continued and not to miss important business.

According to a fifth aspect of the present invention, in the key telephone apparatus, when the maintenance terminal having the display means is connected to the main body of the key telephone apparatus, the display control means reads out the registration read by the reading means. The information is also displayed on the display means of the maintenance terminal, and if there is a history display input at the registration-source button telephone terminal, the proxy registration history of the registration-source button telephone terminal is displayed on the maintenance terminal. It is characterized by displaying on means.

According to a sixth aspect of the present invention, in the key telephone apparatus, the display control means stores the registration information read by the reading means when the call forwarding of the call forwarding and the rejection of the call are registered. On the computer having the CTI function, if there is a history display input at the proxy-registered button telephone terminal, the proxy registration history of the registered button telephone terminal is displayed on the computer having the CTI function. It is characterized by making it.

A key telephone apparatus according to a seventh aspect of the present invention includes a ring control means for ringing the computer having the CTI function, and the ring control means performs call forwarding of call forwarding and registration of call rejection. The computer having the CTI function is activated when the computer is activated.

A key telephone apparatus according to the invention of claim 8 accommodates a key telephone terminal provided with a display means and has a CTI function for at least one of call forwarding of call forwarding or call rejection for each of the key telephone terminals. A key telephone apparatus provided with a proxy registration unit capable of performing proxy registration from a storage unit for storing at least information relating to CTI operation of a computer having the CTI function which has performed the proxy registration and a registration time; Reading means for reading the registration information; display means for displaying the registration information provided in the key telephone terminal of the registration source which registered the registration information on behalf of the registration information; and displaying the registration information read by the reading means. Means, if there is a history display input at the key telephone terminal of the registration source, Wherein the history of that proxy registration and a display control means for displaying on the display unit of the key telephone terminal.

According to the present invention, a computer having a CTI function transfers, for example, a call transfer or a call transfer of call forwarding to a button telephone terminal A from a key telephone terminal E among five key telephone terminals A to E, for example. When the rejection proxy registration is performed, at least information on the CTI operation of the computer having the CTI function performing the registration operation and the registration operation time are displayed on the display unit of the key telephone terminal A. Further, when there is a history display input from the key telephone terminal A of the registration destination, the log of the registration operation for the key telephone terminal A is displayed on the display means of the key telephone terminal A. Thereby, the person who uses the key telephone terminal A registered as a proxy can know that the key telephone terminal A has been registered as a proxy by the computer having the CTI function. It is also possible to prevent incoming calls from being restricted and prevent important business from being missed.

A key telephone apparatus according to a ninth aspect of the present invention includes a ring control means for ringing the key telephone terminal, and the ring control means is provided with a computer having the CTI function to perform call forwarding for call forwarding and call rejection for call forwarding. When the registration operation is performed, the registration-source key telephone terminal registered by proxy is caused to ring.

According to a tenth aspect of the present invention, in the key telephone apparatus, if the maintenance terminal having the display means is connected to the main body of the key telephone apparatus, the display control means reads the registration read by the reading means. The information is also displayed on the display means of the maintenance terminal, and if there is a history display input at the registration-source button telephone terminal, the proxy registration history for the registration-source button telephone terminal is stored in the maintenance terminal. The information is displayed on the display means.

The key telephone apparatus according to the present invention includes a ring control means for ringing the maintenance terminal.
The ringing control means causes the maintenance terminal to ring when a computer having a CTI function performs a call forwarding transfer of call forwarding and a registration operation of call rejection.

A key telephone apparatus according to a twelfth aspect of the present invention accommodates a plurality of key telephone terminals, divides them into a plurality of call groups, and at least one key telephone terminal belongs to a plurality of call groups simultaneously. In the case where there is a simultaneous incoming call from at least two call groups of a plurality of belonging call groups, in a key telephone device that distributes incoming calls according to a priority assigned in advance among the respective call groups, Judgment means for judging a dynamic element in operation, and, based on the judgment result of the judgment means, varying the priority of incoming call distribution among the call groups to the button telephone terminals belonging to the plurality of call groups. And priority changing means.

According to the present invention, when one-button telephone terminals belong to a plurality of calling groups at the same time,
When there is an incoming call from at least two call groups of a plurality of belonging call groups at the same time, the priority of the incoming call distribution among the call groups is changed based on the determination result of the dynamic element in operation of the key telephone device. . As a result, the number of distributions of incoming calls of each paging group becomes uniform, so that connection priority service of incoming calls to key telephone terminals belonging to a plurality of paging groups can be improved.

In the key telephone apparatus according to the thirteenth aspect of the present invention, the priority variable means integrates a combination of a priority between each call group and a priority that each call group has for an incoming call waiting. It is characterized by determining a global priority.

According to the present invention, the number of distributions of incoming calls in each call group is further uniformed, so that the priority of incoming call connection priority service to button telephone terminals belonging to a plurality of call groups can be further improved.

According to a fourteenth aspect of the present invention, in the key telephone apparatus, the priority variable means is provided for each of the key telephone terminals belonging to the plurality of call groups at the same time to receive an incoming call from each of the plurality of call groups to which the button telephone terminal belongs. An incoming call response number storing means for storing how many times the call is answered, and when distributing incoming calls from the plurality of call groups, the plurality of incoming call response numbers are stored in the incoming call response number storing means. It is characterized in that the priority of the call group that arrives at each key telephone terminal belonging to the call group is changed.

According to the present invention, as the determination of the dynamic element during operation of the key telephone device, it is determined how many times the key telephone terminal has responded to the incoming call from each of the plurality of calling groups to which the key telephone terminal belongs. Things.

According to a fifteenth aspect of the present invention, in the key telephone apparatus, the priority changing means responds to the incoming call of each of the plurality of call groups belonging to each of the plurality of button telephone terminals belonging to the plurality of call groups at the same time. Response time storage means for storing the total call time, and when distributing incoming calls from a plurality of paging groups, when distributing incoming calls from a plurality of paging groups, a plurality of paging groups are assigned according to the total call time stored in the paging response time storage means. It is characterized in that the priority of a call group that arrives at each key telephone terminal to which it belongs is changed.

According to the present invention, as the determination of the dynamic element during operation of the key telephone apparatus, the total telephone call time in which the key telephone terminal responds to each incoming call of a plurality of call groups to which the key telephone terminal belongs is determined.

In the key telephone apparatus according to the present invention, the priority variable means includes a number-of-waiting call storage means for storing the number of waiting calls in each of a plurality of calling groups, and the number of waiting calls for each of the calling groups. By comparing the number of calls, the priority of a call group that arrives at each key telephone terminal belonging to a plurality of call groups is changed.

According to the present invention, the number of waiting calls in each of a plurality of call groups is compared as a determination of a dynamic element during operation of the key telephone apparatus.

In the key telephone apparatus according to the present invention, the priority variable means stores a waiting time of a call having the highest priority among the waiting calls of a plurality of call groups. And comparing the waiting times with each other to change the priority of the call group that arrives at each key telephone terminal belonging to a plurality of call groups.

The present invention compares the waiting time of the call with the highest priority among the waiting calls of each of a plurality of call groups as the determination of the dynamic element during operation of the key telephone apparatus.

The key telephone apparatus according to the present invention is a display terminal for detecting a key telephone terminal which needs to display predetermined information at an arbitrary time in a key telephone apparatus accommodating a plurality of key telephone terminals. Detecting means;
When there are a plurality of button telephone terminals detected by the display terminal detecting means, a display terminal determining means for dividing them into a plurality of groups, and a plurality of button telephone terminal groups grouped by the display terminal determining means. Display terminal storage means for storing, timing setting means for setting a timing for displaying the predetermined information corresponding to each of the plurality of grouped key telephone terminal groups, and setting by the timing setting means. Terminal display control means for displaying the predetermined information on each button telephone terminal having a display means of the plurality of button telephone terminal groups grouped at the timing.

According to the present invention, when displaying predetermined information on a plurality of key telephone terminals, the plurality of key telephone terminals are divided into a plurality of key telephone terminal groups, and these are provided with a time difference. The information is displayed. Thereby, the concentration of the load is reduced compared to the case where information is displayed on all the key telephone terminals at the same time, and a more stable key telephone system can be realized.

In the key telephone apparatus according to the present invention, the display terminal determining means simultaneously displays the predetermined information in accordance with the number of button telephone terminals detected by the display terminal detecting means. Determine the number of devices,
The timing setting means sets display timing according to the number of key telephone terminals determined by the display terminal determining means.

The present invention is a method for determining the number of key telephone terminals that simultaneously display predetermined information and setting the display timing, and according to the number of key telephone terminals that are detected as requiring the predetermined information to be displayed. Then, the number of key telephone terminals that simultaneously display predetermined information is determined, and the display timing is set according to the determined number of key telephone terminals.

A key telephone apparatus according to the present invention is a traffic detecting means for detecting a load on a control means of the key telephone apparatus and a utilization rate per unit time of a communication path used for displaying information on the key telephone terminal. The display terminal determining means determines the number of button telephone terminals that simultaneously display predetermined information based on the detection result of the traffic detecting means, and the timing setting means determines the number of the key telephone terminals by the display terminal determining means. The display timing is set according to the number of the key telephone terminals.

The present invention is a method for determining the number of key telephone terminals for simultaneously displaying predetermined information and setting the display timing, and is used to load the control means (CPU) of the key telephone device and display information on the key telephone terminal. The usage rate per unit time of the used communication path is detected, the number of button telephone terminals that simultaneously display predetermined information is determined based on the result, and the display timing is determined based on the determined number of button telephone terminals. Set.

The key telephone apparatus according to the twenty-first aspect of the present invention includes a display terminal registering means for registering a plurality of key telephone terminals for displaying predetermined information as a plurality of display terminal groups and registering the display timing. The display terminal detection means detects a display terminal group and display timing registered in the display terminal registration means at an arbitrary time, and the display terminal determination means detects the display terminal detected by the display terminal detection means. The group and the display timing are determined.

The present invention is a method for determining the number of key telephone terminals for simultaneously displaying predetermined information and setting the display timing, wherein a plurality of key telephone terminals for displaying predetermined information are displayed as a plurality of display terminal groups. It is registered in the display terminal registration means together with the timing, and the display terminal group and display timing registered in the display terminal registration means are detected and determined at an arbitrary time.

According to a twenty-second aspect of the present invention, in the key telephone apparatus, the display terminal deciding means sets the predetermined information to all the key telephone terminals so that the display of the predetermined information is within a preset time. Are determined at the same time, and the timing setting means sets the display timing according to the number of button telephone terminals determined by the display terminal determining means.

The present invention is a method for determining the number of key telephone terminals for simultaneously displaying predetermined information and setting the display timing, wherein the display of the predetermined information for all the key telephone terminals is performed within a preset time. Determine the number of button phone terminals that simultaneously display the predetermined information to fit in
The display timing is set according to the determined number of button telephone terminals.

[0046]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment will be described. (I) First Embodiment FIG. 1 is a block diagram showing a configuration of a first embodiment of the present invention.
FIG. FIG. 2 is a schematic configuration diagram of the first embodiment.
It is. In FIG. 2, two key telephone terminals T1, T
Only ten are shown, but in fact there are more. In FIG.
Here, the key telephone terminals T1 to Tn correspond to the respective ones.
Line circuit 2₁ To the call network 3 via ~ 2n
It is connected. Communication network 3 is a trunk circuit
4₁Connected to an external line via .about.4n. In addition, this
The outside line referred to here means an office line or a dedicated line.

Each of the line circuits 2 _{1 to} 2 n, the communication line network 3 and the trunk circuits 4 _{1 to} 4 n is further connected to the main control unit 6 via the control data bus line 5. The main control unit 6, line circuit 2 ₁ to 2n, while performing exchange of data needed to and from the speech path network 3 and trunk circuits 4 ₁ to 4n, responsible for the overall control of the exchanging operation as switch is there. This main control unit 6
Exchange between the key telephone terminals T1 to Tn or the key telephone terminal T1
A communication path is formed between .about.Tn and the outside line or between the outside line and the outside line.

In FIG. 2, key telephone terminals T1 to Tn
Each has a handset 10, a button key 11,
An LCD 12 as a display, a speaker 13 for outputting a notification sound such as an incoming call or proxy registration, and an LED (light emitting diode) 14 for notifying the incoming call or proxy registration are provided. The key telephone terminals T1, T10 and the maintenance terminal 7 are connected to the main control unit 6 via lines L1, L2, L3 as shown in the figure. The main controller 6 is connected to a dedicated network via a line L4 and to a public network via a line L5.

The maintenance terminal 7 for setting construction data registers and updates various data in the memory 6A of the main control unit 6. The main control unit 6 includes a CTI (Comp
When an external computer 8 having a uter telephony integration function is connected, data is exchanged between the external computer 8 and the main control unit 6. That is, the main control unit 6 mainly sends information such as outgoing and incoming telephone numbers, and the external computer 8 mainly sends information such as dialed digits, outgoing calls, transfer, and disconnection.

In the main control section 6, the key telephone terminals T1 to T
n, the maintenance terminal 7 and the external computer 8 can perform call forwarding of call forwarding and call rejection registration for any key telephone terminal Tx (x = 1 to n). This proxy registration is also possible from a remote location via a trunk or a dedicated line. Button telephone terminals T1 to Tn,
When the proxy registration is performed from the maintenance terminal 7 or the external computer 8 or when the proxy registration is performed from a remote place via a trunk or a dedicated line, the main control unit 6 sends the key telephone terminals T1 to Tn to the registration source. The registration operation history is stored on the history table in association with the registration source button telephone terminals T1 to Tn, and the registration source button telephone terminals T1 to Tn are stored in accordance with the notification pattern table.
It displays proxy registration information at Tn, blinks an LED, or outputs an alarm sound.

FIG. 3 is an example of the history table described above. In this example, the extension number "200"
Is the key telephone terminal T1 shown in FIG. 2, the key telephone terminal with the extension number "300" is the key telephone terminal T10 shown in FIG. 2, the trunk "5" is L5 shown in FIG. It is assumed that the dedicated line "10" is L4 shown in FIG. In this history table, at 9:15, a setting is made to transfer an incoming call to the key telephone terminal T2 having the extension number "202" at the key telephone terminal T10 having the extension number "300".
At 10:45, setting to reject incoming calls at trunk "5", At 12:50, setting to forward incoming calls to telephone number "033-***" at a remote location via dedicated line "10" Have been. Therefore, in the key telephone terminal T1 having the extension number "200", the incoming call is transferred to the key telephone terminal T2 having the extension "202" from 9:15 to 10:44:59, and from 10:45 to 12:49. The incoming call is rejected until 59 seconds, and the incoming call is transferred to the telephone number "033-***" if the call is busy after 12:50.

FIG. 4 shows an example of the above-described notification pattern table. In this notification pattern table, notification patterns for the extension telephone numbers "200", "201", and "202" for the key telephone terminals T1, T2, and T3 are set. As a notification method, there are “ringing ringing”, “alarm sound”, “LED”, and “LCD”. In this case, the key telephone terminal T with the extension number “200”
In “1”, “alarm sound”, “LED”, and “LCD” are set. In addition, “ringing of a ringing bell” and “alarm sound” are set for the key telephone terminal T2 having the extension number “201”. In addition, the button telephone terminal T3 having the extension number “202” has “alarm sound”, “LED”,
“LCD” is set. Therefore, when proxy registration is performed for the key telephone terminal T1 having the extension number "200", the key telephone terminal T having the extension number "200" is registered.
At 1, the alarm sounds and the LED 14 blinks, and the proxy registration information is displayed on the LCD 12. When proxy registration is performed for the key telephone terminal T2 having the extension number "201", the call bell and the alarm sound are generated in the key telephone terminal T2 having the extension number "201". When proxy registration is performed for the key telephone terminal T3 having the extension number "202", an alarm sound is emitted and the LED 14 blinks in the key telephone terminal T3 having the extension number "202".
2 displays the proxy registration information.

When the proxy registration is performed at the key telephone terminals T1 to Tn, the proxy registration information includes at least information (for example, an extension number) relating to the button telephone terminal T of the proxy registration source and a registration operation time. Proxy registration is maintenance terminal 7
In the case where the registration is performed, the information includes at least the information on the maintenance terminal 7 and the registration operation time. When the proxy registration is performed by the external computer 8, the information includes at least information on the CTI operation of the external computer 8 and a registration operation time. When the proxy registration is performed from a remote place via a trunk or a dedicated line, the information includes at least information on the trunk or the dedicated line that has performed the registration operation, collectable partner information, and the registration operation time.

FIG. 5 is a flowchart showing the flow of processing at the time of proxy registration. At the key telephone terminal T10 with the extension number "300", the key telephone terminal T with the extension number "202"
This flow will be described for the case where the call forwarding destination of No. 3 is set to the key telephone terminal T1 with the extension number “200”. The user of the key telephone terminal T10 having the extension number "300"
When an operation to set the call forwarding destination of the key telephone terminal T1 having the extension number "200" to the key telephone terminal T3 having the extension number "202" is performed at the key telephone terminal T10, the information is fetched in step S1. Then, the acquired information is stored in the registrant information of the key telephone terminal T1 having the extension number "200" together with the time of registration. After storing the registrant information and the registration time, the stored information is stored in the LCD 12 of the key telephone terminal T1 having the extension number “200”.
Display above.

FIG. 6 shows the LCD 1 of the key telephone terminal T1.
2 shows an example of the display above. In this display, the key telephone terminal 1 having the extension number (DN: dial number) “200” is not present at 10:30 from the key telephone terminal 10 having the extension number “300” to the key telephone terminal T3 having the extension number “202”. This indicates that the transfer (CF-A) has been performed. By this proxy registration, the incoming call to the key telephone terminal T1 is transferred to the key telephone terminal T3.

The main controller 6 accumulates the storage of the registrant information and the registration time as a history. That is, each time the proxy registration operation is performed, a history of the registration operation is created in correspondence with the key telephone terminal T1 of the registration source. By creating a history, if there is a history display input for displaying the history at each of the key telephone terminals T1 to Tn, it is checked whether or not there is a history of the registration operation for the key telephone terminal T where the input has been made, and If so, it is displayed on the LCD 12 of the key telephone terminal T. For example, when a history display input is made at the key telephone terminal T1, the history of the registration operation for the key telephone terminal T1 is displayed on the LCD 12. Note that the history display input may be performed by providing a dedicated key for performing this in the button key 11 in advance, or when applying the present invention to a conventional key telephone terminal, For example, two keys may be operated at the same time. Thus, each key telephone terminal T1
When the proxy registration has been performed, the user of ~ Tn can confirm who was the proxy registered on the spot. Further, by performing the history display input, the history of the registration operation up to the present time can be confirmed.

Confirmation of the history of the registration operation in each of the button telephone terminals T1 to Tn can be performed by the maintenance terminal 7 or the external computer 8. In other words, when the maintenance terminal 7 is connected and the history display is input from the maintenance terminal 7, the main control unit 6 outputs the history information of the proxy registration regarding the button telephone terminals T <b> 1 to Tn to the maintenance terminal 7. . For example, when there is a history display input for displaying the history of the key telephone terminal T 1, the proxy registration history information on the key telephone terminal T 1 is output to the maintenance terminal 7. External computer 8
If there is a history display input from the
The history information of the proxy registration regarding 1 to Tn is output to the external computer 8. For example, when there is a history display input for displaying the history of the key telephone terminal T1, the key telephone terminal T
The history information of the proxy registration regarding No. 1 is output to the external computer 8.

Here, FIG. 7 shows an example of the display of the history information by the maintenance terminal 7. This example is the history information of the key telephone terminal T1 having the extension number “200”,
At 15:00, the key telephone terminal T of extension number "300"
At 10, a setting is made to transfer the call to the key telephone terminal T3 with the extension number "202". At 10: 435,
The setting of call rejection by trunk "5" has been made,
At 12:50 p.m., the terminal having the extension number "800" in another exchange via the dedicated line "10" transfers the call to "033-***" if the terminal is busy. Settings have been made. Thus, the maintenance terminal 7 and the external computer 8
It is also possible to check the proxy registration of the key telephone terminals T1 to Tn, and also check the proxy registration history of the key telephone terminals T1 to Tn.

As described above, in the first embodiment,
In each of the button telephone terminals T1 to Tn, when a call transfer or call rejection is registered on behalf of another button telephone terminal Tx, the maintenance terminal 8, the external computer 8, a trunk or a dedicated line, information on the other party registered as a substitute Is displayed and a notification is made by an alarm sound or the like, so that it is possible to respond to proxy registration on the spot. In addition, since a proxy registration history is created for each of the key telephone terminals T1 to Tn, it is possible to reliably know the partner who has performed the proxy registration. Generation can be prevented.

(II) Second Embodiment FIG. 8 is a schematic configuration diagram of a second embodiment of the present invention.
Although only four key telephone terminals T1 to T4 are shown in this figure, there are actually more. The key telephone apparatus 18 has an automatic call distribution function for automatically distributing an incoming call to the key telephone terminals T1 to T4. in this case,
Whereas the conventional automatic call distribution function fixes the priority of the call distribution among a plurality of call groups, the automatic call distribution function according to the present invention employs a dynamic element during operation of the key telephone apparatus 18. The priority of incoming call distribution is made variable. By varying the priority of the incoming call distribution according to the dynamic element in operation of the key telephone apparatus 18, the number of incoming calls distributed to each call group becomes uniform, and incoming calls to key telephone terminals belonging to a plurality of call groups are received. Connection priority service can be improved.

In FIG. 8, the key telephone terminals T1, T
2 and T3 are members of the group G1 for automatic call distribution, and the key telephone terminals T2, T3 and T4 are members of the group G2. That is, the key telephone terminals T2 and T3 belong to the two groups G1 and G2. Here, when the state of the key telephone apparatus 18 is such that when incoming calls from office lines represented by the lines L5 to L7 arrive at the groups G1 and G2, all the key telephone terminals T1 to T4 are in use and the group G1 , G2 are queued (FI)
The data structure that handles data in the FO method is called a “queue”. The groups G1, G to which the key telephone terminals T2, T3 belong, respectively.
It is assumed that the total number of calls answered to No. 2 is registered in the form of a group response number table shown in FIG.

At this point, when the key telephone terminal T2 becomes vacant and the incoming call distribution becomes possible, if there is a waiting call in both the groups G1 and G2, the key telephone apparatus 18 returns to the state shown in FIG.
The processing shown in the flowchart of FIG. That is, when the vacancy of the key telephone terminal T2 is detected in step S10, the number of responses of the key telephone terminal T2 in the group G1 and the number of responses in the group G2 are compared in step S11. In this comparison of the number of responses, the number of responses table of the key telephone terminal shown in FIG. 9 is referred to.

By referring to this response count table,
If the number of responses in group G2 is smaller, step S
Proceeding to step S12, the group G2 waits for the key telephone terminal T.
Call 2 On the other hand, if the number of responses in the group G1 is smaller, the process proceeds to step S13, where the key telephone terminal T2 receives a waiting call of the group G1. FIG.
In the group response number table shown in (1), the group G2 has a smaller number of response times, so the process proceeds to step S12. In this way, by storing the number of answered calls in each group to which the key telephone terminal belongs for each key telephone terminal, the group to be responded to when the key telephone terminal becomes empty is changed according to the number of answered calls. Distribution of incoming calls becomes possible.

(III) Third Embodiment In the above-described second embodiment, the destination of a waiting call is determined by comparing the number of responses for each group.
In the third embodiment, the arrival of a waiting call is determined by comparing the number of waiting calls for each group. FIG. 12 is a flowchart showing the operation of the key telephone apparatus 18 when comparing the number of waiting calls for each group. When the vacancy of the key telephone terminal T2 is detected in step S20, the number of waiting calls in the group G1 and the number of waiting calls in the group G2 of the key telephone terminal T2 are compared in step S21. In this comparison of the number of waiting calls, the number of waiting calls table for each group shown in FIG. 10 is referred to.

By referring to this waiting call number table,
If the number of waiting calls in group G2 is smaller, step S
22, the group G2 waits for the key telephone terminal T
Call 2 On the other hand, if the number of waiting calls in the group G1 is smaller, the process proceeds to step S23, and the key telephone terminal T2 receives the waiting call in the group G1. FIG.
In the waiting call number table shown as 0, the group G2 has a smaller number of waiting calls, so the process proceeds to step S22. In this way, by storing the total number of waiting calls in each group, even when the key telephone terminal becomes empty, the groups to be answered can be changed according to the number of waiting calls, so that an even incoming call distribution can be achieved.

(IV) Fourth Embodiment FIG. 13 is a block diagram showing a configuration of a fourth embodiment of the present invention. FIG. 14 is a functional block diagram of a control unit and a storage unit of the key telephone apparatus according to the fourth embodiment.
In FIG. 13, a key telephone device 21 includes an extension interface (LIF) 22 for connecting to a plurality of key telephone terminals T1 to Tn, and a control unit 23 for controlling each unit of the device.
A time switch 24, a time switch control circuit 25 for controlling the time switch 24, a clock unit 26 for outputting the current time, a storage unit 27, and an external interface (I / F) for connecting to the maintenance terminal 7. 28.

As shown in FIG. 14, the control unit 23 includes a display terminal detecting means 23a for detecting a key telephone terminal T which needs to display predetermined information at a predetermined time, and the display terminal detecting means 23a. When there are a plurality of detected key telephone terminals T, these are detected by a plurality of key telephone terminal groups Gt.
Display terminal determining means 23b for dividing the display terminal determining means 23b, timing setting means 23c for setting a timing for displaying predetermined display information corresponding to each of the key telephone terminal groups Gt divided by the display terminal determining means 23b, Terminal display control means 23d for displaying predetermined information on each button telephone terminal T of the plurality of button telephone terminal groups Gt at the timing set by the setting means 23c. The storage unit 27 has a display terminal storage unit 27a for storing the plurality of key telephone terminal groups Gt determined by the display terminal determination unit 23b of the control unit 23.

Next, the key telephone device 21 of the present embodiment
Will be described with reference to the flowchart shown in FIG. First, the display terminal detection means 23a detects the key telephone terminal T to be displayed (step S).
30). Next, the display terminal group Gt is determined by the display terminal determination means 23b for the detected key telephone terminal T to be displayed (step S31), and is stored in the display terminal storage means 27a (step S32).

After the plurality of display terminal groups Gt are stored in the display terminal storage means 27a, one of the plurality of display terminal groups Gt is read out from the display terminal storage means 27a, and each button telephone of the display terminal group Gt is read. A predetermined display is performed on the terminal T (step S33). Then, it is determined whether or not there is an undisplayed terminal group (step S34). In this determination, if there is no undisplayed terminal group, the process ends, and if there is, the process proceeds to step S35. In step S35, the timing setting unit 23c sets a delay time until the next display terminal group Gt is displayed. Then, when the set delay time has elapsed, the next display terminal group Gt is read from the display terminal storage means 27a and displayed. The above processing is repeated until the display on all the display terminal groups Gt is completed (steps S33, S34, S35).

Here, for example, as shown in FIG. 16, when the number of key telephone terminals T is 1 to 10, the display terminal is determined so as to be a terminal every three, and a delay time of 0.5 second is set. Set. At this time, the key telephone terminals are T1, T2, T
Assuming that 3,..., First, the key telephone terminal T1,
Display is performed on T2 and T3, and 0.5 seconds later, display is performed on the key telephone terminals T4, T5, and T6. The number of key telephone terminals T is 11-20.
In the case of, since the delay time is 1.0 second for each terminal group,
Key telephone terminals T1, T2, → Key telephone terminals T3, T
Display is performed at 1.0 second intervals, as in 4 → key telephone terminals T5, T6 →.

As described above, in the fourth embodiment,
When displaying predetermined display information on a plurality of key telephone terminals T1 to Tn, the display information is divided into a plurality of display terminal groups Gt,
Since each of them is sequentially displayed with a time difference, the influence on the control unit 23 due to the concentration of the load can be reduced, and a more stable key telephone system can be realized.

(V) Fifth Embodiment FIG. 18 is a functional block diagram of a control unit and a storage unit of a key telephone apparatus according to a fifth embodiment of the present invention. In the fourth embodiment, the display terminal and the timing are determined based on the number of the key telephone terminals T. In the fifth embodiment, however, the traffic detection unit 23f is used.
And the display terminal and the timing are determined in accordance with the information detected thereby. The traffic detection unit 23f detects the load of the control unit itself and the usage rate per unit time of the communication path used for displaying information on the key telephone terminal T. Display terminal determining means 23b
Determines the number of key telephone terminals T that simultaneously display predetermined information based on the detection result of the traffic detection unit 23f. The timing setting unit 23c sets the display timing based on the number of the key telephone terminals T determined by the display terminal determining unit 23b.

FIG. 17 is a diagram showing an example of conditions determined according to the size of the traffic. In this figure, when the traffic is small, the display terminal is determined so that every three terminals are set, and a delay time of 0.5 second is set. At this time, assuming that the key telephone terminals are T1, T2, T3,..., The display is first performed on the key telephone terminals T1, T2, T3, and 0.5 seconds later, the key telephone terminals T4, T3
The display is performed like 5, T6. When the traffic is medium, a delay time of 1.0
Seconds, the display is performed at 1.0 second intervals as in the key telephone terminals T1, T2, → key telephone terminals T3, T4 → key telephone terminals T5, T6 →. When traffic is large, the delay time is 1.5 seconds for each terminal group, so that the key telephone terminal T1 → the key telephone terminal T2 → the key telephone terminal T3 → the key telephone terminal T4 → the key telephone terminal T
Display is performed at 1.5-second intervals as in 5 → key telephone terminal T6 →.

(VI) Sixth Embodiment FIG. 19 is a functional block diagram of a control unit and a storage unit of a key telephone apparatus according to a sixth embodiment of the present invention. The main control unit 23 of the key telephone apparatus according to the sixth embodiment registers the display terminal group Gt and the timing in the display terminal registration unit 23e in advance, and displays information according to the information. The display terminal detection unit 23a is configured to display the display terminal group Gt registered in the display terminal registration unit 23e at an arbitrary time.
And display timing. Display terminal determining means 23
b determines the display terminal group Gt detected by the display terminal detection unit 23a, and the timing setting unit 23c determines the display timing detected by the display terminal detection unit 23a.

(VII) Seventh Embodiment In the seventh embodiment, the display terminal and the display terminal are controlled so that the display on all the key telephone terminals T is completed between the first time when the display is performed and a certain time. The timing is determined. For example, 6 at 2:00
When displaying on the 0 button telephone terminals T1 to T60,
In order to complete the display on all the key telephone terminals T1 to T60 within 10 seconds, a delay time of 1 second may be set when the display terminal group Gt is composed of six units. When the delay time is fixed to, for example, 2 seconds, the display terminal group Gt
Should be 12 units.

[0076]

According to the first to eleventh aspects of the present invention,
The person who uses the key phone device registered on behalf of the caller can know who registered the key phone device on behalf of the user and when, so that calls can be forwarded continuously,
Preventing incoming calls from being regulated,
You won't miss any important business.

According to the invention of claims 12 to 17,
Since the priority of the incoming call distribution between each call group is changed based on the result of the determination of the dynamic element during operation of the key telephone device, the number of incoming calls of each call group becomes uniform and belongs to a plurality of call groups. Connection priority service for incoming calls to a button telephone terminal to be improved.
In addition, by determining the overall priority by combining the priority between each call group and the priority that each call group has with respect to the incoming waiting call, the number of distribution of the incoming calls of each call group can be further increased. It is possible to make the service uniform and to further improve the connection priority service of the incoming call to the key telephone terminals belonging to the plurality of call groups.

According to the invention of claims 18 to 22,
When displaying predetermined information on a plurality of key telephone terminals, the plurality of key telephone terminals are divided into a plurality of key telephone terminal groups, and information is displayed with a time lag therebetween, so that all information is displayed at the same time. As compared with the case where information is displayed on the key telephone terminal, the concentration of the load is reduced, and a more stable key telephone system can be realized.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a first exemplary embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of a first embodiment.

FIG. 3 is a diagram illustrating an example of a history table in the key telephone device according to the first embodiment;

FIG. 4 is a diagram showing an example of a notification pattern table in the key telephone device of the first embodiment.

FIG. 5 is a flowchart illustrating a proxy registration process of the key telephone device according to the first embodiment;

FIG. 6 is a diagram illustrating a display example of proxy registration in the key telephone terminal of the key telephone apparatus according to the first embodiment;

FIG. 7 is a diagram illustrating a display example of a registration history in the maintenance terminal of the key telephone apparatus according to the first embodiment.

FIG. 8 is a block diagram showing a schematic configuration of a second embodiment of the present invention.

FIG. 9 is a diagram showing a group response number table for each key telephone terminal in the key telephone apparatus of the second embodiment.

FIG. 10 is a diagram showing a waiting call count table for each group in the key telephone apparatus of the third embodiment.

FIG. 11 is a flowchart illustrating an incoming call process of the key telephone apparatus according to the second embodiment.

FIG. 12 is a flowchart illustrating an incoming call process of the key telephone apparatus according to the third embodiment of the present invention.

FIG. 13 is a block diagram illustrating a configuration of a fourth exemplary embodiment of the present invention.

FIG. 14 is a functional block diagram of a control unit and a storage unit of the key telephone device according to the fourth embodiment.

FIG. 15 is a flowchart illustrating a display process of the key telephone device according to the fourth embodiment.

FIG. 16 is a diagram illustrating an example of the number of display terminals and the display timing with respect to the number of key telephone terminals of the key telephone device according to the fourth embodiment;

FIG. 17 is a diagram illustrating an example of the number of display terminals and display timings of large, medium, and small traffics of the key telephone apparatus according to the fifth embodiment.

FIG. 18 is a functional block diagram of a control unit and a storage unit of the key telephone device according to the fifth embodiment of the present invention.

FIG. 19 is a functional block diagram of a control unit and a storage unit of the key telephone device according to the sixth embodiment of the present invention.

[Explanation of symbols]

T1 to Tn button telephone terminal 2 _{1 to} 2n line circuit 3 communication path network 4 _{1 to} 4n trunk circuit 5 control data bus line 6 main control unit 6A memory 7 maintenance terminal 8 external computer 10 handset 11 button key 12 LCD 13 speaker 14 LED Reference Signs List 18 key telephone device 21 key telephone device 22 extension interface (LIF) 23 main control unit 23a display terminal detection unit 23b display terminal determination unit 23c timing setting unit 23d terminal display control unit 23e display terminal registration unit 23f traffic detection unit 24 time switch 25 Time switch control circuit 26 Clock unit 27 Storage unit 27a Display terminal storage unit 28 External interface (I / F)

Continued on the front page F-term (reference) 5K015 AA01 AA05 AB01 AC02 AD01 AD02 AD03 AD04 AD05 AF05 AF06 AF09 HA03 5K024 AA45 AA65 AA78 BB07 CC03 CC09 CC14 DD01 DD04 EE01 FF03 GG01 GG08 5K049 AA07 BB05 CC11 BB13 CC19 BB10 FF31 FF32 FF37 FF46 GG07 GG10 GG11 GG16 HH06 JJ04 KK02 KK12

Claims (22)

[Claims] 1. A key telephone terminal provided with a display means is accommodated, and a proxy registration means capable of registering at least one of call forwarding or call rejection of call forwarding for each key telephone terminal with another key telephone terminal by proxy is provided. Storage means for storing at least information on a button telephone terminal which has performed at least a call transfer of a call forwarding and a proxy registration of a call rejection and a registration time, and a reading means for reading the registration information stored in the storage means. Display means for displaying the registration information provided at the registration-source button telephone terminal that has registered the registration information on behalf of the registration information; and displaying the registration information read by the reading means on the display means. If there is a history display input at the key telephone terminal at the registration source, the proxy registration history for the key telephone terminal is displayed on the key telephone terminal display means. Key telephone system characterized by comprising a display control means for displaying. 2. A key telephone which accommodates a key telephone terminal provided with a display means and has a proxy registration means capable of registering at least one of call forwarding or call rejection of call forwarding for each of the key telephone terminals as a proxy at a maintenance terminal. In the apparatus, storage means for storing at least information on the maintenance terminal that has performed call forwarding of call forwarding and proxy registration of call rejection and a registration time; reading means for reading the registration information stored in the storage means; A display unit for displaying the registration information provided in the key telephone terminal of the registration source that has registered the information on behalf of the registration source, while displaying the registration information read by the reading unit on the display unit, If there is a history display input at the key telephone terminal, a display system that displays the proxy registration history for the key telephone terminal on the display means of the key telephone terminal Key telephone apparatus characterized by comprising: a means. 3. The display control means also displays the registration information read by the reading means on the maintenance terminal, and a history display input is made on the key telephone terminal of the registration source registered by proxy. 3. The key telephone apparatus according to claim 2, wherein in such a case, the history of the proxy registration for the key telephone terminal is displayed on the maintenance terminal. 4. A proxy registration which accommodates a key telephone terminal provided with a display means and allows at least one of call forwarding or call rejection of call forwarding for each key telephone terminal to be registered as a proxy from a remote location via a trunk or a dedicated line. Storage means for storing at least information on a trunk or a dedicated line which has performed proxy registration, collectable partner information and registration time, and reading out the registration information stored in the storage means. Means, display means for displaying the registration information provided at the key telephone terminal of the registration source which has registered the registration information on behalf of the registration information, and display of the registration information read by the reading means on the display means If there is a history display input at the key telephone terminal of the registration source, the proxy registration history for the key telephone terminal is stored in the key telephone terminal. Key telephone system characterized by comprising a display control means for displaying on the display means. 5. The display control means, wherein a maintenance terminal having a display means is connected to the key telephone apparatus main body.
The registration information read by the reading means is also displayed on the display means of the maintenance terminal, and if there is a history display input at the registration-source button telephone terminal registered by proxy, the registration-related button telephone terminal is displayed. 5. The key telephone apparatus according to claim 4, wherein a history of the proxy registration is displayed on a display means of the maintenance terminal. 6. The display control means displays the registration information read by the reading means on a computer having a CTI function when the call forwarding of the call forwarding is registered and the call rejection is registered. 4. The method according to claim 1, wherein, when a history display input is made at the registration-source button telephone terminal, the registration history of the registration-source button telephone terminal is displayed on the computer having the CTI function. 5. The key telephone apparatus according to 5. 7. A computer having a CTI function, wherein the computer has a CTI function, and the computer has a CTI function when the call forwarding of the call forwarding and the registration of the call rejection are performed. 7. The key telephone apparatus according to claim 6, wherein the keypad sounds. 8. A key telephone terminal provided with a display means, and a proxy registering means capable of registering at least one of call forwarding of call forwarding or call rejection of call forwarding to each key telephone terminal by a computer having a CTI function as a proxy. In the key telephone apparatus, storage means for storing at least information relating to the CTI operation of the computer having the CTI function which has performed proxy registration and a registration time; reading means for reading the registration information stored in the storage means; A display unit for displaying the registration information provided in the key telephone terminal of the registration source that has registered the information on behalf of the registration source, while displaying the registration information read by the reading unit on the display unit, If there is a history display input at the key telephone terminal, the proxy registration history for the key telephone terminal is stored in the key telephone terminal. Key telephone system characterized by comprising display control means for displaying on the display means. 9. A ring control means for ringing the key telephone terminal, wherein the ring control means performs proxy registration when a computer having the CTI function performs a call forwarding transfer of call forwarding and a call rejection registration operation. 9. The key telephone apparatus according to claim 8, wherein the registered key telephone terminal is caused to ring. 10. The display control means, if a maintenance terminal having a display means is connected to the main body of the key telephone apparatus,
The registration information read by the reading means is also displayed on the display means of the maintenance terminal, and if there is a history display input at the registration-source button telephone terminal registered by proxy, the registration-source button telephone terminal 10. The key telephone device according to claim 8, wherein a history of the proxy registration regarding the key terminal is displayed on a display means of the maintenance terminal. 11. A ringing control means for ringing the maintenance terminal, wherein the ringing control means is provided when the computer having the CTI function performs a call forwarding transfer of the call forwarding and a call rejection registration operation. The key telephone apparatus according to claim 10, wherein the key telephone is sounded. 12. While accommodating a plurality of key telephone terminals, they are divided into a plurality of call groups,
In a case where at least one button telephone terminal belongs to a plurality of call groups at the same time, and when there is an incoming call from at least two call groups of the belonging call groups at the same time, a priority assigned between the respective call groups in advance. In a key telephone apparatus for distributing incoming calls according to degrees, determining means for determining a dynamic element in operation of the key telephone apparatus; and determining whether the key telephone terminal belongs to the plurality of calling groups based on a determination result of the determining means. A key telephone device, comprising: priority variable means for varying the priority of incoming call distribution between call groups. 13. The system according to claim 1, wherein said priority changing means determines an overall priority by a combination of a priority between said call groups and a priority of each call group with respect to an incoming waiting call. 13. The key telephone device according to claim 12, wherein 14. The priority changing means, for each key telephone terminal belonging to a plurality of calling groups at the same time,
Incoming call response number storage means for storing the number of times of answering incoming calls from each of a plurality of call groups to which the user belongs,
When distributing incoming calls from the plurality of call groups, priority of the call group that arrives at each key telephone terminal belonging to the plurality of call groups according to the number of responses stored in the number of incoming call response storage means. 14. The key telephone apparatus according to claim 12, wherein a degree is changed. 15. The priority changing means, for each key telephone terminal belonging to a plurality of calling groups at the same time,
Incoming call response time storage means for storing a total call time in response to each incoming call of a plurality of call groups to which the user belongs,
When distributing incoming calls from the plurality of call groups, a call arriving at each of the button telephone terminals belonging to the plurality of call groups according to the total call time stored in the incoming response time storage means. 13. The method according to claim 12, wherein the priority of the group is changed.
3. The key telephone device according to any one of 3. 16. The priority changing means includes a number-of-waiting calls storage means for storing the number of waiting calls of each of the plurality of calling groups, and compares the number of waiting calls of the plurality of calling groups by comparing the number of waiting calls of the plurality of calling groups. 14. The key telephone apparatus according to claim 12, wherein the priority of a call group that arrives at each key telephone terminal belonging to a plurality of call groups is changed. 17. The priority changing means includes a waiting time storing means for storing a waiting time of a call having the highest priority among respective waiting calls of the plurality of call groups, and comparing the waiting times. 14. The key telephone device according to claim 12, wherein the priority of the call group arriving at each of the key telephone terminals belonging to the plurality of call groups is changed. 18. In a key telephone apparatus accommodating a plurality of key telephone terminals, a display terminal detecting means for detecting a key telephone terminal which needs to display predetermined information at an arbitrary time; Display terminal deciding means for dividing a plurality of button telephone terminals detected and detected into a plurality of groups, and display terminal storing means for storing a plurality of button telephone terminal groups grouped by the display terminal deciding means Timing setting means for setting a timing at which the predetermined information is displayed in correspondence with each of the plurality of button telephone terminal groups divided into groups, and wherein the group is divided at the timing set by the timing setting means. Terminal for displaying the predetermined information on each of the button telephone terminals having display means of the plurality of button telephone terminal groups. Key telephone system characterized by comprising a display control means. 19. The display terminal determining means determines the number of button telephone terminals that simultaneously display the predetermined information according to the number of key telephone terminals detected by the display terminal detecting means, 19. The key telephone apparatus according to claim 18, wherein the means sets the display timing according to the number of key telephone terminals determined by the display terminal determining means. 20. A traffic detection unit for detecting a load on a control unit of the key telephone apparatus and a usage rate per unit time of a communication path used for displaying information on the key telephone terminal, wherein the display terminal determining unit includes: Determining the number of button telephone terminals that simultaneously display the predetermined information based on the detection result of the traffic detection unit, wherein the timing setting unit determines the number of button telephone terminals determined by the display terminal determining unit 19. The key telephone apparatus according to claim 18, wherein a display timing is set. 21. A plurality of key telephone terminals for displaying predetermined information are registered as a plurality of display terminal groups, and display terminal registration means for registering display timing is provided. Detecting a display terminal group and a display timing registered in the display terminal registration unit at a time; and the display terminal determination unit determining the display terminal group and the display timing detected by the display terminal detection unit. 19. The key telephone device according to claim 18, wherein 22. The number of button telephone terminals that simultaneously display the predetermined information so that the display of the predetermined information for all the key telephone terminals falls within a preset time. 20. The key telephone device according to claim 18, wherein the timing setting unit sets the display timing according to the number of key telephone terminals determined by the display terminal determining unit.