JPH04360357A - Private branch of exchange system - Google Patents

Abstract

PURPOSE:To realize the private branch of exchange system able to send a voice call and a display message to a busy opposite party. CONSTITUTION:A RAM 103 has a speech opposite party storage table to store a called party extension number of a current talking opposite party for each caller extension number. When a voice call control command of a speaker 304 of an opposite party is implemented by a pushbutton 203 of, e.g. a multi- function telephone set 200, a central controller 102 discriminates whether or not an opposite party number of the multi-function telephone set 200 is stored in a talking opposite party storage table during the busy state of the multi- function telephone sets 200, 300, and when stored, a speaker 304 of a multi- function telephone set 300 is started to connect a transmitter of a handset 201 of the caller side to the speaker. Thus, the caller calls the opposite party in voice through the speaker 304 of the opposite party and the transmitter of the handset 201.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a private branch exchange system having a multifunction telephone equipped with a speaker function and a display function, and a private branch exchange device accommodating a plurality of multifunction telephones as extensions.

0002

2. Description of the Related Art Conventionally, in this type of private branch exchange system, a voice calling service has been known as a typical service in which a multifunctional telephone equipped with a speaker function is controlled by a private branch exchange device. This voice calling service allows you to call the calling party's telephone with "
This is done by requesting the private branch exchange device to control the speaker of the called multifunction telephone using special dials such as the ``'' key or the ``#'' key, or special defined buttons.

[0003] Typical services that control multi-function telephones equipped with display functions using private branch exchanges include:
Clock display services, extension number display services, and the like are known. In recent years, such display services have been greatly recognized due to the importance of man-machine interfaces, and display screens have been enlarged to display not only text but also pictures.

0004

[Problems to be Solved by the Invention] However, in the above-mentioned conventional private branch exchange system, since a voice calling service and a display service are provided to the called party, if the called party leaves the multifunction telephone during a call, The problem is that it is useless. That is, if the person on the other end of the call takes the receiver away from his or her ear and goes, for example, to look for materials or to call someone, he or she will have to wait for a long time.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to provide a private branch exchange system that can send a voice call and a display message to the other party during a call.

[0006]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a plurality of multifunctional telephones each having a speaker function and an activation means for activating the speaker function of the other party; It stores the telephones and memorizes each callee, and when the activation means of one of the multifunction telephones is operated during a call between the multifunction telephones, the speaker function of the other multifunction telephone is activated and the speaker function of the other multifunction telephone is activated. The multifunction telephone is characterized by having a private branch exchange device that sets the multifunction telephone to a state in which voice calls can be made to the other multifunction telephone.

The present invention also provides a plurality of multifunction telephones each having a display function and an activation means for activating the display function of the other party; When the activation means of the one multifunction telephone is operated during a call between the multifunction telephones, the display function of the other multifunction telephone is activated and the one multifunction telephone becomes the other multifunction telephone. and a private branch exchange device that is set to a state in which display messages can be transmitted to.

[0008]

[Operation] With the above configuration, the private branch exchange device stores the calling party of the multi-function telephone, and when the activation means of one of the multi-function telephones is operated during a call between the multi-function telephones,
The speaker function of the other multi-function phone is activated and one multi-function phone is set to be able to make a voice call to the other multi-function phone, so it is possible to make a voice call to the other party. .

[0009] According to the present invention, with the above configuration, the private branch exchange device memorizes the calling party of the multi-function telephone, and when the activation means of one of the multi-function telephones is operated during a call between the multi-function telephones, the other multi-function telephone Activate the display function of the multi-function telephones and set the display function so that one multi-function telephone can send a display message to the other multi-function telephone, so that the display message can be sent to the other party during the call. can

0
010]

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a private branch exchange system according to the present invention, FIG. 2 is an explanatory diagram showing the stored contents of a calling party storage table of the private branch exchange system of FIG. 1, and FIG.
is an explanatory diagram showing the storage contents of the call status storage table of the private branch exchange system in FIG. 1, and FIG. 4 is a flowchart for explaining the voice call operation of the private branch exchange system in FIG.
FIG. 5 is a flowchart for explaining the display calling operation of the private branch exchange system of FIG.

In FIG. 1, this private branch exchange system is as follows:
The private branch exchange apparatus 100 is schematically composed of a private branch exchange apparatus 100 and multifunction telephones 200 and 300, and although not shown, the private branch exchange apparatus 100 is capable of accommodating outside lines. This private branch exchange device 100 includes a time switch circuit (SW) 101 for connecting a call path between an outside line and multi-function telephones 200, 300 and a call path between multi-function telephones 200, 300, and 101, multi-function telephone 200, 3
A central control unit (CC) 102 that controls line circuits 104 and 105 each accommodating 00, and a memory circuit (RAM) 103 that stores operating conditions and operating status of the private branch exchange device 100 as shown in FIGS. 2 and 3. has.

[0012] The multifunction telephones 200 and 300 each have:
Handsets 201 and 301 for telephone calls, displays 202 and 302 for displaying various messages, and push buttons 203 and 303 equipped with dial buttons and various function buttons.
and a speaker 2 for announcing various messages by voice.
04,304. Furthermore, this multi-function telephone 200,
300, each has an extension number "1234" as an example.
, "5678" is assigned. Further, the function buttons of the push buttons 203 and 303 can be used as means for controlling and instructing the speaker function or display function of the other party, depending on the type of definition.

The RAM 103 has a conversation party storage table as shown in FIG. 2 and a conversation state storage table as shown in FIG. As shown in FIG. 2, the called party memory table stores the current called party's extension number for each calling party's extension number, and also stores the current party's called party's extension number for each calling party's extension number. If it is prohibited, data "FF" to that effect is stored. In addition, as shown in FIG. 3, in the call state storage table, data "0" is stored when the call state is by the handset 201, 301 for each extension number, and the data "0" is stored in the call state for each extension number.
04, data "1" is stored.

In the above configuration, for example, the multifunction telephone 2
00 goes off-hook, the central controller 102 of the private branch exchange 100 detects this off-hook via the line circuit 104, and then uses the dial button of the pushbutton 203 of the multifunction telephone 200 to dial the extension number "5678" is dialed, the central control unit 1
02 calls the multifunction telephone 300 with extension number "5678".

[0015] Then, this multifunction telephone 300 on the called side
When the handset 301 goes off-hook, the central controller 102 detects this off-hook via the line circuit 105 and controls the time switch circuit 101 so that a communication path between the multifunction telephones 200 and 300 is established. The central control unit 102 also stores the called party extension number "5678" in the area of the calling party extension number "1234" in the conversation party storage table shown in FIG. 2, and also stores the called party extension number "5678" in the call state storage table shown in FIG. Data "0" indicating that the handset is on the way is stored in the area of the multifunction telephones 200 and 300.

In this call state, if the speaker control instruction prohibition button or the display control instruction prohibition button of the push button 303 of the multifunction telephone 300 on the called side is pressed,
Calling party extension number “1” in the conversation party memory table shown in FIG.
The data "FF" is stored in the area "234".

Next, the voice call operation of the private branch exchange system of this embodiment will be explained with reference to FIG. During the above call (step S1), for example, the called party's multifunction telephone 3
00 is away from the telephone for a long time, and the speaker of the multi-function telephone 200 presses the push button 203 to instruct the voice call control of the speaker 304 of the other party (
Step S2), the central control unit 102 determines whether the number of the other party of the multi-function telephone 200 is stored in the communication party storage table shown in FIG. 2 (Step S3).
.

In this step S3, if the number of the other party is not stored or if the data "FF" is stored, this speaker control instruction is ignored and the call state is continued (step S4), On the other hand, the multifunction telephone 30
If the extension number "5678" of 0 is stored,
The call state storage table shown in FIG. 3 is searched to determine the call state of the multifunction telephones 200 and 300 (step S5).
).

When the multifunction telephone 300 on the other party's side is in the state where the handset 301 is connected (="0"), the speaker 304 of the multifunction telephone 300 is activated and the transmitter on the handset 201 on the calling side is activated. (Step S6). Therefore, the calling party can call the other party by voice via the transmitter of the handset 201 and the speaker 304 of the other party. On the other hand, in step S5, the multifunction telephone 300 of the other party is in the state of the speaker 304 (= "1").
In this case, the control instruction for the multifunction telephone 200 is ignored and the multifunction telephones 200 and 300 continue talking (
Step S8).

Next, the display calling operation of the private branch exchange system of this embodiment will be explained with reference to FIG. During the call (step S10), for example, by pressing the push button 203 of the multi-function telephone 200, the other party's display 302
When the display control instruction is issued (step S11), the central controller 102 determines whether the number of the other party of the multi-function telephone 200 is stored in the other party storage table shown in FIG. 2 (step S12). ).

In this step S12, if the number of the other party is not stored or if the data "FF" is stored, this display control instruction is ignored and the call state is continued (step S13), On the other hand, the multifunction telephone 30
If the extension number "5678" of 0 is stored,
The display 302 of the multifunction telephone 300 is activated. Therefore, the calling party presses the push button 203 and the other party's display 3.
02 to send a display message to the other party and end the call.

That is, during a call, for example, the speaker of the multi-function telephone 300 is unable to immediately answer the inquiry of the speaker of the multi-function telephone 200, so he places the handset 301 on the desk and calls the multi-function telephone 300. I left my house and started investigating the materials, and this investigation continued for a long time until I was able to use my multi-function phone 20.
When the speaker 0 notifies the caller that he/she will call back, the other party's display 302 and speaker 304 can notify the caller by means of a display or sound, respectively.

Therefore, according to the embodiment described above, since it is possible to make a voice call or a display call to the other party during a call, it is possible to prevent unnecessary waiting. Furthermore, since the operation of the user's own speaker function and display function can be prohibited, unexpected calls from the other party can be prevented.

[0024]

[Effects of the Invention] As explained above, the present invention provides a plurality of multi-function telephones each having a speaker function and activation means for activating the speaker function of the other party, and a plurality of multi-function telephones that accommodate the multi-function telephones. It memorizes each call party, and when the activation means of one multifunction phone is operated during a call between multifunction phones, the speaker function of the other multifunction phone is activated, and one multifunction phone activates the speaker function of the other multifunction phone. Since the multifunction telephone is equipped with a private branch exchange device that enables a voice call, it is possible to make a voice call to the person on the other end of the call.

The present invention also provides a plurality of multifunction telephones each having a display function and an activation means for activating the display function of the other party; When the activation means of one multifunction telephone is operated during a call between the multifunction telephones, the display function of the other multifunction telephone is activated and the display function of one multifunction telephone is displayed to the other multifunction telephone. Since it has a private branch exchange device that is set to a state where messages can be sent, it is possible to send a display message to the other party during a call.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of a private branch exchange system according to the present invention.

FIG. 2 is an explanatory diagram showing the stored contents of a calling party storage table of the private branch exchange system of FIG. 1;

FIG. 3 is an explanatory diagram showing the stored contents of a call status storage table of the private branch exchange system of FIG. 1;

FIG. 4 is a flowchart for explaining the voice call operation of the private branch exchange system of FIG. 1;

FIG. 5 is a flowchart for explaining the display calling operation of the private branch exchange system of FIG. 1;

[Explanation of symbols]

100 private branch exchange device 102 central control device (CC) 103 RAM (random access memory) 200,
300 Multifunction telephone 202, 302 Display 203, 303 Push button 204, 304 Speaker

Claims (4)

[Claims] 1. A plurality of multi-function telephones each having a speaker function and an activation means for activating the speaker function of the other party, and a multi-function telephone that accommodates the multi-function telephone and stores each of the current call parties. When the activation means of one of the multifunction telephones is operated during a call between the functional telephones, the speaker function of the other multifunction telephone is activated and the one multifunction telephone responds to the other multifunction telephone. 1. A private branch exchange system comprising: a private branch exchange device configured to enable voice calls; 2. The multi-function telephone includes an operation means for prohibiting its own voice call function, and the private branch exchange device transmits information on prohibition of the voice call function of the multi-function telephone operated by the operation means. and controlling the other multi-function telephone in which the prohibition information is stored so as not to make a voice call when the activation means of one of the multi-function telephones is operated during a call between the multi-function telephones. The private branch exchange system according to claim 1, characterized in that: 3. A plurality of multifunction telephones each having a display function and an activation means for activating the display function of the other party; When the activation means of one of the multifunction telephones is operated during a call between the functional telephones, the display function of the other multifunction telephone is activated so that the one multifunction telephone responds to the other multifunction telephone. 1. A private branch exchange system comprising: a private branch exchange device that sets a display message to a transmittable state. 4. The multi-function telephone is provided with an operation means for inhibiting its own display function, and the private branch exchange device stores information for prohibiting the display function of the multi-function telephone operated by the operation means. and, when the activation means of one of the multifunction telephones is operated during a call between the multifunction telephones, control is performed so that the display message is not sent to the other multifunction telephone in which the prohibition information is stored. 4. The private branch exchange system according to claim 3.