JP3039767B2 - Wireless communication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a defect such as a dial tone of a telephone line unable to be heard while a master station connects to the telephone line by selecting a sound source of a dial tone or a voice output from the master set and connecting the selected signal to a speaker in a slave set provided with the sound source of the dial tone. SOLUTION: In the slave set making radio communication with a master set of a key telephone set, when the slave set calls other slave set of other extension, an extension dial button 208 is depressed to set up a radio link with the master set and a switch 207 is thrown to the position of SW0 from the position SW1b, and then a dial tone from a sound source 203 is heard. In the case of making a call to a telephone line, an external dial button 209 is depressed, then the switch 207 is thrown to the position of SW0 from the position SW1b, and a dial tone from the telephone line is heard. Thus, a defect such as a dial tone of a telephone line unable to be heard during connection of the master set to the telephone line or occurrence of disable speech with an opposite party resulting from occurrence of collision between outgoing and incoming calls in an exchange is avoided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication apparatus or a private branch exchange system comprising a master unit and a slave unit for performing wireless communication with the master unit.

[0002]

2. Description of the Related Art A conventional wireless communication device including a master unit and a slave unit that performs wireless communication with the master unit generates an outgoing tone in the slave unit and allows the user of the slave unit to listen to the tone. There is.

In the prior art, a dial tone generated by a master unit or, when the master unit is connected to a telephone line, a dial tone coming from the telephone line is transmitted to a user of the slave unit via wireless communication. There are advantages over the following points:

[0004] 1. Since no wireless communication is used, the sound quality of the dial tone is good.

[0005] 2. Since the dial tone can be heard by the user of the slave unit before the establishment of the wireless communication link is completed at the time of dialing, the operability is improved.

[0006]

However, the conventional wireless communication device has the following disadvantages.

[0007] 1. Since the dial tone is generated by the slave unit, the user of the slave unit cannot hear the dial tone unique to the telephone line when the master unit is connected to the telephone line.

[0008] 2. In a telephone line exchange to which the parent device is connected, when the user of the child device is connected to the other party before inputting a dial after performing outgoing operation due to collision of outgoing / incoming calls, etc. Is listening to the dial tone and cannot talk to the other party.

[0009] An object of the present invention is to make a dial tone generated by a slave unit not to hear a dial tone generated by a slave unit for a transmission in which the above-mentioned drawbacks are concerned. Is what you do.

[0010]

In order to achieve the above object, a first invention according to the present application provides a slave unit including a sound source for generating a dial tone, a speaker, and first dial input means. Connecting a voice output from the base unit to the speaker when a call is input by the first call input means;
When a transmission is input by the second transmission input means, a means for connecting an output of the sound source to the speaker is provided.

Further, according to a second aspect of the present invention, the slave unit is
A sound source that generates a dial tone, a speaker, a dial input unit, and an area in which a value indicating whether the dial is a first dial or a second dial is stored, and when a dial is input by the dial input unit, Means for connecting the audio output from the master unit to the speaker when the value of the area is the first call, and connecting the output of the sound source to the speaker when the value of the area is the second call. It is characterized by having been provided.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system configuration diagram of a key telephone device in which a first cordless telephone device embodying the present invention is housed in an extension, and FIG. 2 (2) shows a slave unit of the first cordless telephone device. It is a block diagram.

Reference numeral 101 denotes a main unit of the key telephone apparatus,
It has a private branch exchange function. 102 is a telephone line, 103 is an extension, and 104A to 104D are extensions 10 of a key telephone device.
Master devices A to D (hereinafter, any master device of master devices A to D are connected by symbol 104) and 105A to 105B are slave devices A to D (hereinafter, any of slave devices A to D). The slave unit is represented by the symbol 105).

Reference numeral 201 denotes a slave unit control unit for controlling the slave unit 105, and 202 denotes an RA which is a storage medium of the slave unit 105.
M and 103 are sound sources for generating a dial tone, and 204 is the base unit 10
4, a wireless processing unit for controlling the wireless communication, 205 is a microphone, 206 is a speaker, 207 is a switch for switching the path of the wireless processing unit 204 → speaker 206 and a sound source 203 → speaker 206, and 208 is a key telephone device An extension call button for requesting a call for calling another extension within, an outside call button 209 for requesting a call to the telephone line 103, and a dial button 210 for dialing.

When the switch 207 is connected in the direction of SW1a → SW0, the voice transmitted from the base unit 104 via the wireless processing unit 204 can be transmitted to the speaker 206.
When the connection is made in the direction of b → SW0, a dial tone from the sound source 203 can be transmitted to the speaker 206.

FIG. 3 is a flowchart of the control unit 201 of the first slave unit 105. FIG. 4 is a sequence diagram between main device 101 ← → master device 104A →→ slave device 105A when the user of slave device 105 presses extension transmission button 208 in the standby state. FIG. 5 shows an exchange ← → main device ← → base unit 10 connected to a telephone line 102 (not shown) when the user of the slave unit 105 presses the outside line transmission button 209 in a standby state.
FIG. 4 is a sequence diagram between 4 →→ child devices 105. Hereinafter, the first
Will be described with reference to the flowchart of FIG. 3, the sequence diagram of FIG. 4, and the sequence diagram of FIG.

For example, when the user of the slave unit 105A wants to call a slave unit of another extension, for example, the slave unit 105B in the standby state, the extension transmission button 208 is first pressed. When the slave unit 105 detects that the extension transmission button 208 is pressed while the control unit 201 of A is in the standby state (S301), the switch 207 is connected in the direction of SW1b → SW0 (S30).
2) Establish a wireless link with base unit 104 and transmit extension transmission request message M403 to base unit 104 (S3).
03). Master device 104 that has received extension transmission request message M403 transmits extension transmission request message M403 to main device 101 as it is. In this state,
(After connection in S302) The user of slave unit 105A hears the dial tone generated by sound source 203 of slave unit 105A. Note that the main device 101, which has received the extension transmission request message M403, switches the switch 20 when the outgoing / incoming collision occurs.
7 in the direction of SW1a → SW0.
Request to A. Slave device 105A stops calling and responds to the incoming call.

Further, the user of the slave unit 105A
To call 5B, the extension number of slave unit 105B, for example, "2" is input by pressing dial button 210. When detecting that the dial button 210 is pressed (S304), the slave unit 105A transmits the dial notification message M404 using the input dial as a parameter as the master unit 1
04 (S305), and sets the switch 207 to SW1a.
→ Connect in the SW0 direction (S306). Switch 207
Is connected in the direction of SW1a → SW0, the dial tone heard by the user of the slave unit 105A stops. Master device 104 that has received dial notification message M404
Transmits the dial notification message M404 to the main apparatus 101 as it is. Dial notification message M
Upon receiving 404, main device 101 analyzes the number and calls the corresponding extension. When the called party answers, a call with the called party can be made using the wireless processing unit 204, the microphone 205, and the speaker 206.

For example, when the user of the slave unit 105A wants to make a call to the telephone line 102 in a standby state, the outside line call button 209 is first pressed. When the control unit 201 of the slave unit 105A detects that the outside line transmission button 209 is pressed in the standby state (S307), the switch 207 is set to S.
Connect in the direction of W1a → SW0 (S308), and
Establishes a wireless link with the external line transmission request message M
501 is transmitted to the parent device 104 (S309). Master device 104, which has received external line transmission request message M501, sends external line transmission request message M to main device 101 as it is.
501 is transmitted. Main apparatus 101 that has received outside line transmission request message M501 performs loop-on (line capture) operation M503 for telephone line 102. In this state, the user of the slave unit 105A hears a dial tone from the telephone line 102 via the main unit 101 and the master unit 104.

Further, when the user of the slave unit 105A presses the dial button 210, the slave unit 105A transmits a dial notification message M502 using the input dial as a parameter to the master unit 104 when detecting that the dial button 210 is pressed. I do. Dial notification message M502
Is received, master device 104 transmits dial notification message M502 to main device 101 as it is. Main apparatus 101 receiving dial notification message M502
Is a dial transmission operation M50 for the telephone line 102.
Perform 4.

In the first embodiment, when a cordless telephone set connected to the extension of a key telephone apparatus distinguishes between an outgoing call and an outgoing call depending on the button to be pressed, the extension call is not transmitted. , Make a sound 1
Advantages of creating in 05, 1. Since no wireless communication is used, the sound quality of the dial tone is good. 2. Before the establishment of the wireless communication link at the time of outgoing call,
Since the dial tone can be heard by the user of the slave unit, the operability is improved. For external line transmission, disadvantages when a dial tone is created by the slave unit 105: Since the dial tone is generated by the slave unit, the user of the slave unit cannot hear the dial tone unique to the telephone line when the master unit is connected to the telephone line. 2. In a telephone line exchange to which the master unit is connected, when the user of the slave unit is connected to the other party before inputting a dial after performing a calling operation due to a collision between incoming and outgoing calls, etc. The user hears the dial tone and cannot talk to the other party. There is an effect that can be avoided. When a call collision occurs during extension transmission, the main device 101 detects this occurrence and stops the transmission, thereby making it possible to take measures against the call collision. On the other hand, it is difficult to detect the occurrence of an outgoing / incoming collision at the time of outside line transmission.

FIG. 6 is a block diagram of a second cordless telephone device. FIG. 1 shows a system configuration diagram of a key telephone device in which the second cordless telephone device is housed in an extension.

Reference numeral 701 denotes an outgoing call type storage area in which outgoing call types are stored; 702, an outgoing call button for requesting outgoing call;
Reference numeral 03 denotes a setting button for setting the contents of the transmission type 701 and the like. The contents of the outgoing call type storage area 701 stores either an extension or an outside line.
For example, when the setting button 703 is pressed, the transmission button 701 is pressed, and then the “0” of the dial button 210 is pressed, the extension is set to the extension.
When "1" of 10 is pressed, an external line is set.

When the switch 207 is connected in the direction of SW1a → SW0, the voice transmitted from the master unit 104 via the wireless processing unit 204 can be transmitted to the speaker 206.
When the connection is made in the direction of b → SW0, a dial tone from the sound source 203 can be transmitted to the speaker 206.

FIG. 7 is a flowchart of the control unit 201 of the second slave unit 105. The sequence diagram between main device 101 ← → master device 104A →→ slave device 105A when the user of slave device 105 presses call button 702 in the standby state and when the content of call type storage area 701 is an extension is shown in FIG. As shown in FIG. When the user of the slave unit 105 is in the standby state,
When 02 is pressed, when the content of the transmission type storage area 701 is an outside line, the exchange connected to the telephone line 102 (not shown) ← → main device 101 ← → master device 104 ← → slave device 105
The sequence diagram between them is shown in FIG. Hereinafter, the second embodiment will be described with reference to the flowchart of FIG. 7 and the sequence diagram of FIG.
This will be described with reference to the sequence diagram of FIG.

For example, when the user of the slave unit 105A tries to make a call in a standby state, the call button 702 is first pressed. When the control unit 201 of the slave unit 105A is in the standby state,
If the press of the call button 702 is detected (S701),
When the content of the transmission type storage area 701 is an extension (S70
2) The switch 207 is connected in the direction from SW1b to SW0 (S703), a wireless link is established with the master unit 104, and an extension transmission request message M403 is transmitted to the master unit 104 (S704). Extension call request message M403
The master device 104 that has received the request transmits the extension transmission request message M403 to the main device 101 as it is. In this state (after the connection in S703), the user of the slave unit 105A hears the dial tone generated by the sound source 203 of the slave unit 105A.

Hereinafter, the operation after S705 is performed in S3 of FIG.
The operation is the same as that of the operation after 04.

When the control of the slave unit 105A controller 201 detects that the transmission button 702 is pressed in the standby state (S70)
1) When the contents of the transmission type storage area 701 are external lines (S702), the switch 207 is connected in the direction from SW1a to SW0 (S708), a wireless link is established with the base unit 104, and an external line transmission request message is issued. M501 as master unit 1
04 (S709). Master device 104 that has received outside line transmission request message M501 receives
1 transmits an outside line transmission request message M501. Main apparatus 101 having received outside line transmission request message M501 performs loop-on operation M5 for telephone line 102.
Perform 03. In this state, the user of the slave unit 105A hears a dial tone from the telephone line via the main unit 101 and the master unit 104.

Hereinafter, the operation after pressing the dial button is common to that of the first embodiment shown in FIG.

In the second embodiment, the same effects as those in the first embodiment can be obtained.

The present invention can be applied to a system including a master unit 104 connected to a telephone line 102 and a plurality of slave units 105 wirelessly connected to the master unit 104 as shown in FIG. The same effect as in the second embodiment can be obtained.

[0032]

As described above, according to the invention of the present application, with respect to normal transmission, advantages when a dial tone is generated by a slave unit, Good sound quality of dial tone without wireless communication. 2. Before the establishment of the wireless communication link at the time of outgoing call,
Since the dial tone can be heard by the user of the slave unit, the operability is improved. The disadvantages of creating a dial tone with a slave unit are as follows. Since the dial tone is generated by the slave unit, the user of the slave unit cannot hear the dial tone unique to the telephone line when the master unit is connected to the telephone line. 2. In a telephone line exchange to which the master unit is connected, when the user of the slave unit is connected to the other party before inputting a dial after performing a dialing operation due to a collision between incoming and outgoing calls, etc. The user hears the dial tone and cannot talk to the other party. For a certain transmission, the above-mentioned drawbacks can be avoided because the transmission sound is not created by the slave unit.

In addition, when an extension is originated, a dial tone is generated inside the extension terminal so that a dial tone can be output immediately without control of the private branch exchange. Is output, it is possible to hear the dial tone unique to the outside line, and it is possible to know when the incoming / outgoing collision occurs and the incoming call is answered.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a key telephone device in which a cordless telephone device embodying the present invention is accommodated in an extension.

FIG. 2 is a block diagram of a slave unit of the first cordless telephone device.

FIG. 3 is a flowchart of a control unit 201 of the first slave unit 105.

FIG. 4 shows main unit 101 ← → base unit 10 in the case of extension transmission
It is a sequence diagram between 4A ← → child device 105A.

FIG. 5 shows a telephone line 102 (not shown) for an outgoing call.
Exchange ← → main unit 101 ← → base unit 104 ← →
FIG. 7 is a sequence diagram between slave units 105.

FIG. 6 is a block diagram of a second cordless telephone device.

FIG. 7 is a flowchart of the control unit 201 of the second slave unit 105.

FIG. 8 is a system configuration diagram of a system according to another embodiment in which a master unit 104 connected to a telephone line 102 and several slave units 105 wirelessly connected to the master unit 104 are provided.

[Explanation of symbols]

 103 sound source 104 master unit 105 slave unit 201 slave unit control unit 204 wireless processing unit 206 speaker 207 switch 208 extension transmission button 209 external transmission button 701 transmission type storage area 702 transmission button

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H04B 7/26 H04Q ⁷ /04-7/38 H04M 1/00 H04Q 3/58 107

Claims (4)

(57) [Claims] 1. A mobile phone, comprising: a master unit; and a slave unit that performs wireless communication with the master unit. The slave unit includes a sound source that generates a dial tone, a speaker, first transmission input means, and a second transmission source. In a wireless communication device provided with input means, when a call is input by the first call input means, a voice output from the master unit is connected to the speaker, and the call is input by the second call means. A wireless communication device provided with means for connecting an output of the sound source to the speaker when the operation is performed. 2. A wireless communication system comprising: a master unit; and a slave unit that performs wireless communication with the master unit. The slave unit includes a sound source that generates a dial tone, a speaker, a transmission input unit, and a first transmission or a second transmission. In a wireless communication apparatus having an area storing a value indicating whether the transmission is a transmission of 2, if a transmission is input by the transmission input means, if the value of the area is a first transmission, A means for connecting the audio output of the sound source to the speaker and connecting the output of the sound source to the speaker when the value of the area is the second transmission. 3. A communication system for connecting a plurality of extension terminals to an outside line, wherein the plurality of extension terminals have a sound source for generating a dial tone and a speaker, and output the sound source to the speaker when an extension is transmitted. And a dial tone from the external line is connected to the speaker when an external line is transmitted. 4. A communication terminal connected to a private branch exchange, comprising: a sound source for generating a dial tone; and a speaker, wherein when transmitting to an extension of the private branch exchange, the output of the sound source is connected to the speaker. When transmitting to an outside line of the private branch exchange, a communication sound from the outside line is connected to the speaker.