JP2907406B2 - Communication device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention comprises a plurality of telephones,
The present invention relates to a communication device for connecting a plurality of telephones to a plurality of external lines .

[0002]

2. Description of the Related Art Conventionally, large-capacity button telephone devices have
A plurality of outside lines are assigned to one outside line button, and by operating the outside line button, an outside line is selected from the plurality of outside lines in a cable manner and is captured. Is configured to select and capture the incoming external line in the external line group.

[0003]

However, in the above prior art, when an outside line is selected and captured in a cable manner, an outside line button in which an incoming outside line exists in the assigned outside line group is operated. In such a case, there is a drawback that the call is answered and the call cannot be transmitted.

Further, as a method of transmitting a call from an outside line in a group of outside lines including a receiving outside line, it is possible to use another operation method such as, for example, 0 transmission. The method is different, and there is an inconvenience that the same operation method of always operating the outside line button cannot be used.

It is an object of the present invention to provide a communication device that can perform a call from a vacant outside line by the same operation as a normal outside line button regardless of the presence of an incoming outside line.

[0006]

SUMMARY OF THE INVENTION The present invention comprises a plurality of telephones.
Communication for connecting the plurality of telephones and a plurality of external lines
In the apparatus, provided for each of the plurality of telephones
Assigned to each of the multiple outside line buttons
Outside line group and whether to use for outgoing or incoming calls
First storage means for storing information indicating whether the
Each of the outside lines belongs to any of the outside line groups
Second storage means for storing the first and second
To set the storage contents of the storage means based on key input.
When receiving an incoming call, an external line group to which the incoming external line belongs
External button used for the first and second storage means
Based on the external line status display of the identified external button
Instructs the device to indicate that it is ringing and identifies
When the outside line button is operated, the control
And a control unit, wherein the operated outside line button is
If the outside line button is used when making a call, the first storage device
If a decision is made based on the column,
In front of a vacant outside line among the outside lines included in the assigned outside line group
And capturing based on the second storage means.
You.

[0007]

FIG. 1 is a block diagram showing a key telephone apparatus according to an embodiment of the present invention.

The key telephone apparatus includes a main unit 20 for accommodating a plurality of telephone lines 11a to 11m connected to a public telephone network 10, and the main unit 20 has extensions 41a to 41m, respectively.
It is composed of dedicated telephones 40a to 40n accommodated via the terminal 41n.

The main unit 20 includes telephone lines 11a to 11a.
Line interfaces 21a-2 for accommodating 1m
1 m, an exchange unit 22 for exchanging the communication paths 30a to 30m and 31a to 31n, a dedicated telephone interface 23a to 23n for accommodating the extensions 41a to 41n, and a main unit 2
It has a main control unit 24 that controls the entire system, a ROM 25 that stores programs, and a RAM 26 that stores data.

FIG. 2 shows each of the above-mentioned dedicated telephones 40a to 40n.
FIG. 2 is a plan view showing the appearance of the present invention.

As shown in FIG.
A handset 51, eight external line buttons 52 having external line status indicators such as LEDs, four one-touch dial buttons 53, various function buttons 54 such as hold, speed dial, and redial, and a numeric keypad 55 for dialing are provided. Have been.

In the following description, of the external line buttons 52, an external line button used for outgoing calls will be referred to as an outgoing button, and an external line button used for incoming calls will be referred to as an incoming button.

FIGS. 3 to 5 are schematic diagrams showing control tables provided in the RAM 26. FIG. FIG. 3 shows an external line button memory table for storing an external line group assigned to each external line button 52 and a flag for identifying whether the external line button 52 is used for outgoing or incoming calls. Also,
FIG. 4 shows an external line group memory table for storing the line numbers included in the external line group, and FIG. 5 shows a line state for storing each state such as an idle state, an incoming call state, and a call state of each line. 3 shows a memory table.

The outside line button memory table can be set differently for each of the dedicated telephones 40a to 40n. However, in this embodiment, for convenience of explanation, all of the dedicated telephones 40a to 40n are used. Are the same as shown in FIG.

In the above configuration, when the number of telephone lines 11a to 11m accommodated in main unit 20 is larger than the number of outside line buttons 52, a plurality of lines are assigned to one of outside line buttons 52 as one outside line group. In the external line type selection capturing method of capturing in a line type, if there is an incoming line in an external line group assigned to one external line button, the external line button is displayed as an incoming call, so the external line button is pressed. However, when a line in the outside line group is captured, the line responds to the incoming outside line, and even if there is an outside line in the outside line group, the operation cannot be performed by operating the outside line button, which is inconvenient.

Therefore, in the present embodiment, a flag for identifying whether to use for outgoing or incoming calls is stored in the outside line button memory table shown in FIG. 3 together with the outside line group assigned to the outside line button 52. Thus, the inconvenience as described above is solved. The contents of the memory tables shown in FIGS. 3 to 5 are provided with means for setting by a specific key input procedure or the like during installation or operation, and are set in advance.

FIG. 6 is a flowchart showing the operation at the time of answering a call in this embodiment, and FIG. 7 is a flowchart showing the operation at the time of capturing a call.

In this embodiment, when there is an incoming call from the public telephone network 10 to the telephone line 11a, the line interface 2
1a detects an incoming call and notifies the main control unit 24 that there is an incoming call on the line 11a. Hereinafter, in FIG.
The main control unit 24, which has been notified that there is an incoming call,
The incoming call status is written in the line status memory table in M26 (S1), the line 11a belongs to the external line group 1 based on the contents of the external line group memory table (S2), and when the external line group 1 is received from the external line button memory table. Since the outside line button to be used is the outside line button 5 (S3), the dedicated telephone interfaces 23a to 23n are instructed to display the incoming call on the outside line status display of the outside line button 5 of the dedicated telephones 40a to 40n. (S4).

Here, a description will be given assuming that a response is made by the dedicated telephone 40a when answering the incoming call. The user who wants to respond to the incoming call indicates that the outside line status indicator of the outside line button 5 is indicating that the incoming call is being received.
, The user goes off-hook at the dedicated telephone 40a and presses the outside line button 5. When the dedicated telephone 40a detects that the user goes off-hook and presses the outside line button 5 (S5), this is notified to the dedicated telephone interface 23a, and the dedicated telephone interface 23a notifies the main control unit 24.

The main control unit 24 that has received the notification stores the RAM
Dedicated telephone 4 from the external line button memory table in 26
The outside line button 0a is an incoming call button of the outside line group 1, the lines included in the outside line group 1 are lines 11a to 11d from the outside line group memory table, and the lines 11a out of the lines 11a to 11d are Since the incoming call is being received, the dedicated telephone 40a knows that it has responded to the incoming call on the line 11a, instructs the line interface 21a to capture the line 11a, and instructs the exchange unit 22 to call the line 30a of the line 11a. And the communication path 31a of the dedicated telephone 40a are connected, and the line 11a is connected to the dedicated telephone 40a.
a can talk.

On the other hand, when the line 11a is receiving a call,
A description will be given assuming that a call is transmitted from the dedicated telephone 40b when the call is transmitted from an empty line in the table.

A user who wants to make a call from the outside line group 1 on the dedicated telephone 40b can display an outside line in the outside line group 1 by displaying the outside line state of the outside button 1 which is the transmission button 2 of the outside line group 1 of the dedicated telephone 40b. After confirming that there is, the user presses the outside line button 1 after going off-hook.

The dedicated telephone 40b notifies the dedicated telephone interface 23b that the caller has gone off-hook and the outside line button 1 has been pressed, and the dedicated telephone interface 23b notifies the main control unit 24 of this.

The main control unit 24, having received the notification,
In FIG. 7, the outside line button 1 of the dedicated telephone 40b is the transmission button of the outside line group 1 from the outside line button memory table in the RAM 26 (S7), and the lines included in the outside line group 1 are 11a to 11b from the outside line group memory table. Yes (S
8) Further, the line 11a is obtained from the line state memory table.
If you search for an empty line from the oldest one among 11b, line 1
Since 1d is empty (S9), the dedicated telephone 40
b, the line to be captured is determined to be the line 11d, the line interface 21d is instructed to capture the line 11d, and the switching unit 22 is switched to the line 11d.
By connecting the communication line 30d of the dedicated telephone 40b to the communication line 30b of the dedicated telephone 40b and connecting the line 11d to the dedicated telephone 40b, even if there is an incoming line 11a in the same outside line group, a call is transmitted from another outside line. It is possible.

In the above embodiment, the external line to be accommodated is not limited to the public telephone line, but may be any line that can be accommodated as an external line such as an ISDN line, an internal line such as a private branch exchange, or various dedicated machines.

The method of capturing an outside line on the dedicated telephone is not limited to the method described in the above embodiment, but may be performed by off-hook after pressing the outside line button, or by only pressing the outside line button on the dedicated telephone with the speaker monitor function. A method of entering a speaker monitor state may be used.

Further, the contents and usage of the contents of the memory tables shown in FIGS . one
As an example, it is conceivable to write which external line group belongs to the line state memory table.

In the above embodiment, one external line button is selectively set to be used at the time of outgoing call or at the time of incoming call. In addition, by permitting use at both the time of outgoing call and the time of incoming call, a conventional usage method is also possible.

[0029]

As described above, according to the present invention,
Divide multiple outside lines into multiple outside line groups, and
Whether one of the lines is used for outgoing or incoming calls
The effect of being able to select arbitrarily with the external key
There is. In addition, assigning multiple outside line keys and outside line groups
And whether to use it for outgoing or incoming calls,
Assigns multiple outside lines to multiple outside lines
Or can be arbitrarily set by the user.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

FIG. 2 is a plan view showing the appearance of each dedicated telephone of the embodiment.

FIG. 3 is a schematic diagram showing an outside line button memory table of the embodiment.

FIG. 4 is a schematic diagram showing an external line group memory table of the embodiment.

FIG. 5 is a schematic diagram showing a line state memory table of the embodiment.

FIG. 6 is a flowchart showing an operation at the time of answering a call in the embodiment.

FIG. 7 is a flowchart showing an operation at the time of capturing a call in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Public telephone network, 11a-11m ... Telephone line, 20 ... Main apparatus, 21a-21m ... Line interface, 23a-23n ... Dedicated telephone interface, 24 ... Main control part, 25 ... ROM, 26 ... RAM, 30a-30m , 31a to 31n: Talk path, 40a to 40n: Dedicated telephone, 41a to 41n: Extension, 50: Dedicated telephone body, 51: Handset, 52: External line button.

Claims (1)

(57) [Claims] 1. A plurality of telephones, said plurality of telephones being provided.
A communication device for connecting a plurality of external lines to a plurality of external lines.
Outside line group assigned to each of the
And information indicating whether to use it for outgoing or incoming calls
First storage means for storing a plurality of external lines , wherein each of the plurality of external lines belongs to any of a plurality of external line groups.
Second storage means for storing whether to perform the operation, and storing the contents of the first and second storage means as a key input.
Setting means for setting based on an incoming call, and using when an incoming call of an outside line group to which the incoming outside line belongs
External line button based on the first and second storage means
An incoming call is received on the external line status indicator of the identified external line button
Is displayed, and the identified outside line button
Is operated, control means for capturing the incoming outside line is provided.
And the control means uses the operated outside line button when making a call.
The outside line button based on the first storage means.
When it is determined, the outside line assigned to the operated outside line button
An empty outside line among the outside lines included in the line group is stored in the second storage
A communication device for capturing based on a means .