JP3354614B2 - Wireless telephone equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone apparatus accommodating a plurality of slave units, and more particularly, to an extension telephone call between slave units when a wired part interposed in an extension communication path is blocked.
This allows direct communication between slave units.

[0002]

2. Description of the Related Art A wireless telephone device accommodating a plurality of slave units is
Broadly speaking, it has an external call function and an internal call function between slave units.

As shown in FIG. 3, a conventional radio telephone apparatus has a control device for controlling call control and connection / release of a communication channel.
12 and connection devices 10 and 11 connected by wire to the control device 12
And a plurality of slave units 1 and 9 wirelessly connected to the connection devices 10 and 11
(A portion between the connection devices 10 and 11 and the control device 12 is referred to as a “wired portion”, and a portion between the connection devices 10 and 11 and the slave devices 1 and 9 is referred to as a “wireless portion”.)

[0004] The control unit 12 is a communication path switch 14 for connecting / disconnecting a communication path for an internal call and an external call.
A connection device interface means 15 for multiplexing / demultiplexing control data and voice data to interface with the connection devices 10 and 11, and a microprocessor or the like for controlling the communication path switch 14 and the connection devices 10 and 11 And a main control unit 13 configured.

[0005] The handset 1 comprises a handset control means 2 comprising a microprocessor or the like for controlling the operation of each block when calling and receiving a call, and a push button or function selection button for inputting a telephone number. Operating means 3, a channel capturing means 4 for capturing a channel of the radio section, an ID code storing means 5 for storing its own identification code, and a connection device 9, which modulates and demodulates voice data and control data.
A connection device communication unit 6 for transmitting / receiving data to / from the unit 10, an audio interface unit 7 for processing a received audio signal and a transmitted audio signal, and an antenna 8 are provided.

The configuration of the second slave unit 9 is the same as the configuration of the first slave unit 1.

[0007] In this wireless telephone device, ID codes are assigned to all slave units and connection devices. Now, “001” is assigned to the first slave unit 1, “002” is assigned to the second slave unit 9, “003” is assigned to the first connection device 10, and the second connection device 11
Is given an ID code of “004”.

[0008] The first slave unit 1 includes a first connection device 10.
It is assumed that the second slave unit 9 is located in a zone where transmission and reception of radio waves with the second connection device 11 can be performed.

In this wireless telephone device, the first slave unit 1
When making an extension call to the second handset 9 from
The first handset 1, which is the calling side, captures the control channel of the radio unit and sends a call signal including the ID code to the first connection device 10.
Send to

[0010] The first connection device 10 that has received the call signal,
The ID code is confirmed, and a response signal including the ID code is returned to the first slave unit 1. After this, the first slave unit 1
The channel capturing means 4 captures an idle communication channel in the radio unit, and dials the extension number of the second handset 9 which is the called side. First connection device 10 that has received the dial signal
Transmits the dial information to the control device 12 via the connection cable 16.
To the connection device interface means 15, and the connection device interface means 15 notifies the main control means 13.

The main control means 13 having received the notification sends an incoming call signal via the second connecting device 11 to the second handset 9 on the called side, and thereafter, the second handset 9 on the called side. When the second slave unit 9 makes a response, the main control means 13 connects the communication path switch 14 of the control device 12 and connects the first connection device 10 and the second connection device.
11 and wired connection.

In this way, a communication path is formed between the first handset 1 and the second handset 9 via the wired path connecting the first connection device 10 and the second connection device 11, An extension call between both parties becomes possible.

[0013]

However, in the conventional wireless telephone device, the communication path of the wired section of the connection device accommodating the calling side slave unit is completely used by other slave units, and there is no space. In this state, there is a problem that the calling side slave unit cannot make an extension call until the communication path of the wired unit is free.

The present invention is to solve such a conventional problem, and a radio telephone capable of performing an extension call between slave units even when there is no vacancy in a communication path in a wired section of a connection device. It is intended to provide a device.

[0015]

Therefore, according to the present invention, there is provided a control device, a connection device wired to the control device, and a plurality of slave units having connection device communication means for wirelessly connecting to the connection device. in the radio telephone device provided to each of the slave unit, the slave unit communication means for performing a direct extension call through a wireless line with handset each other with respect to the extension call made through connection device communication means, connected Use the communication path of the wired section from the device.
When receiving a response signal indicating the availability,
Switching control for maintaining the wireless connection between the means and the connection device and activating the slave unit communication means in place of the connection device communication means when receiving a response signal from the connection device indicating that the communication path of the wired section cannot be used. Means for communicating with the wired section of the connection device.
When there is free space in the talk path,
Make an extension call between slave units, and there is no free space in the communication path of the wired section
At times, direct extension calls between slave units through the slave unit communication means
It is configured to perform .

Further, each of the slave units further includes a display means for displaying the call state of the slave unit by hearing or visual recognition, and a call destination extension number storage means for storing the extension number of the called destination handset. When, the identification code storage means for storing a relationship between the extension and the ID code of each child machine provided, handset communication hand
When making a direct extension call between slave units through
A call signal including the ID code of the previous slave is transmitted through the slave communication means.
It is configured to make an outgoing call .

[0017]

Therefore, in response to an extension call made through the connection device communication means, if the connection device notifies that there is no free communication path in the wired section, the slave communication device is automatically activated. As a result, a direct call can be made to the slave units, and extension calls between the slave units can be performed without using a connection device.

Further, the display means displays the switching of the communication path, the operation procedure of the direct extension call between the slave units, and the like, and guides the operation of the caller. When the slave unit is provided with a destination extension number storage unit and an identification code storage unit,
When the caller dials the extension number of the called slave, a calling signal including the ID code of the called slave is transmitted through the slave communication means.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In a wireless telephone device according to an embodiment of the present invention,
As shown in FIG. 1, a slave unit 21 accommodated is a slave unit control means 22 composed of a microprocessor or the like for controlling the operation of each block of the slave unit at the time of calling and receiving, and audio data. And connection / modulation equipment that performs modulation and demodulation of control data
Connecting device communication means 24 for transmitting and receiving data to and from other slave units by modulating and demodulating voice data and control data.
Slave unit communication means 23 for directly transmitting and receiving data to and from the terminal unit 33; operation means 25 comprising push buttons and function selection buttons for inputting a telephone number; display means 26 for displaying an operation state and operation method; Channel capturing means 27 for capturing a channel; tone generating means 28 for notifying a caller of the operating state by sound; and call destination extension number temporary storage means 29 for temporarily storing the extension number of the call destination input from the operation means 25.
And identification code storage means 30 for storing the relationship between the ID codes of all the cordless handsets accommodated in the wireless telephone device and the assigned extension numbers; and voice interface means 31 for processing the received voice signal and the transmitted voice signal. , An antenna 32.

The configuration of the second slave unit 33 is the same as the configuration of the first slave unit 21. In addition, the control device 36 and each connection device
The configuration of 34 and 35 is the same as that of the conventional device (FIG. 3).

The ID code given to the slave unit and the connection device of the wireless telephone device is such that the first slave unit 21 has "001",
The second slave unit 33 is “002” and the first connection device 34 is “00”.
3 "and the second connection device 35 is" 004 ".

The first slave unit 21 includes a first connection device 34
Is located in a zone where radio waves can be transmitted and received, and the second slave unit
It is assumed that 33 is located in a zone where transmission and reception of radio waves with the second connection device 35 can be performed.

In this wireless telephone device, the first slave unit 21
The procedure for making an extension call to the second slave unit 33 will be described with reference to the flowchart of FIG. First,
Step 1: The caller goes off-hook the first handset 21 to make an extension call. Simultaneously with the off-hook, step 2: the first slave unit 21 sends out a call signal including an ID code to the first connection unit 34 via the control channel by the connection unit communication means 24.

Step 3: Upon receiving the call signal, the first connection device 34 checks the ID code, and sends the ID code and information indicating whether the wired unit can be used to the first slave unit 21. The response signal including the response is returned. When the first slave unit 21 receives the response signal from the first connection device 34, step 4; the slave unit control unit 22 checks whether there is a free space in the wired unit from the response signal. At this time, if there is a vacancy, the first slave unit 21 operates the channel capturing means 27 to capture a vacant communication channel of the radio unit, and step 6;
When the caller confirms the capture of the communication channel by listening to the dial tone from the control device 36, the caller dials the extension of the second slave unit 33 which is the called side.

Step 7: Thereafter, similarly to the conventional device, the first connection device 34 that has received the dial signal outputs the dial information to the connection device interface means 39 of the control device 36 via the connection cable 16. Then, the connection device interface means 39 notifies the main control means 37 of this. Upon receiving the notification, the main control means 37 sends an incoming call signal to the second handset 33 on the called side via the second connection device 35, and the second handset on the called side. If 33 responds, the main control means 37
Connects the communication path switch 38 of the control device 36 to connect the first connection device 21 and the second connection device 33 by wire.

Thus, under the control of the control device 36, the first
A wired path connecting the connecting device 21 and the second connecting device 33 is formed, and the first slave unit 21 and the second slave unit 33 execute an extension call via a communication path passing through the wired route. I do.

However, in step 8; in step 4, if there is no free communication channel in the wired section of the first connection device 34, the slave unit control means 22 causes the tone generation means 28 to generate a tone, and step 9 Indicating that fact on the display means 26 to notify the caller. Further, the display means 26 further displays that the extension units can directly communicate with each other and the operation procedure thereof.

Step 10: Simultaneously with the series of notifications to the caller, the handset control means 22 of the handset 21 sets the connection device communication means 24 in a non-activated state to switch the communication path, and The device communication means 23 is set to the activated state. The switching of the communication path is performed by the tone generating means 28 and the display means.
Displayed by 26, step 11; the caller confirming this dials the extension number of the second slave unit 33 from the operating means 25, and step 12; the call destination extension number temporary storage means 29 is inputted. Temporarily hold extension number, step 1
3; Next, when the caller depresses the call key on the operation means 25, step 14; the slave unit control means 22 corresponds to the extension number information held in the call destination extension number temporary storage means 29. The ID code is identified by the information stored in the identification code storage means 30, and a call signal including the ID code is transmitted through the slave communication means 23 in step 15; If the second handset 33, which is the called side, responds to this, a direct extension call between the handset without the intermediary of the wired section is executed.

As described above, in the wireless telephone device of the embodiment,
If there is a free space in the wired communication path, an extension call is made via the wired communication path, and if all the wired communication paths are blocked, a response signal from the connection device is sent. As a result, a measure for switching the communication path is automatically taken, and a direct extension call can be made between the slave units.

[0030]

As is apparent from the above description of the embodiment, in the radio telephone apparatus of the present invention, even when all the communication paths of the wired section are in use, the wireless communication apparatus does not wait for an empty communication path, and Direct extension calls can be made between each other.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of one embodiment of a wireless telephone device of the present invention;

FIG. 2 is a flowchart showing an operation in the wireless telephone device of the embodiment;

FIG. 3 is a block diagram showing a configuration of a conventional wireless telephone device.

[Explanation of symbols]

 1, 9, 21, 33 slave unit 2, 22 slave unit control unit 3, 25 operation unit 4, 27 channel capturing unit 5 ID code storage unit 6, 24 connecting device communication unit 7, 31, voice interface unit 8, 32 antenna 10 , 11,34,35 Connection device 12,36 Control device 13,37 Main control means 14,38 Communication path switch 15,39 Connection device interface means 16 Connection cable 26 Display means 28 Tone generation means 29 Temporary storage of call extension number 30 Identification code storage means

Claims (2)

(57) [Claims] 1. A wireless telephone device comprising: a control device; a connection device wired to the control device; and a plurality of slaves having connection device communication means for wirelessly connecting to the connection device. each slave unit, the slave unit communication means for performing a direct extension call through a wireless line with handset each other with respect to the extension call made through the connection device communication means, wired portion from said connecting device Notify that the call path is available
Receiving the response signal, the connection device communication means
Maintaining the wireless connection with the serial connection device, when a call path of the wired portion from said connection device has received a response signal indicating that it can not be used to activate the handset communicating unit in place of the connecting device communication means and a switching control means, when the free is present in the speech path of the wire portions of the connecting device, before
Make an extension call between slave units via the communication path of the wired
When there is no free space in the communication path of the wired unit,
A wireless telephone device for making direct extension calls between slave units through a stage . Wherein each of said child machine, a display means for displaying complaining communication state of the child machine auditory or visual, call destination extension number storage means for storing an extension number of the input call Sakiko machine And identification code storage means for storing a relationship between an extension number and an ID code of each slave unit.
When making a direct extension call between slave units through
A call signal including the ID code of the slave unit is transmitted to the slave unit communication means.
The wireless telephone device according to claim 1, wherein the call is transmitted through a telephone.