JPH07274251A - Radio telephone master set - Google Patents

Abstract

PURPOSE:To provide a radio telephone master set in which the automatic answering mode is automatically set or released depending on the communication state with a radio telephone slave set and a message from a caller is stored in the automatic answering mode and reported to the user possessing the radio telephone slave set. CONSTITUTION:When a call comes from a telephone line to a radio telephone slave set and a radio telephone slave set is not in existence in a communication zone of a radio telephone master set 100, a changeover means 110 is used to switch the mode to the automatic answering mode and a message from a caller is stored in a message storage means 112 and a call is set to a line wire. When the radio telephone slave set replies a call from the radio telephone base station, a message transmission means 111 transfers the message from the caller stored in the message storage means 112 to the radio telephone slave set via the radio telephone base station.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone base unit in a personal handy phone (hereinafter referred to as PHP) system.

[0002]

2. Description of the Related Art FIG. 7 is a schematic diagram of a conventional PHP system. In the figure, a plurality of radiotelephone base stations 3 are connected to the telephone management station 1 via a switchboard 2. The radio telephone base unit 200 is connected to the radio telephone base station 3 via the exchange 2. The wireless telephone slave units 300A and 300B communicate with the wireless telephone master unit 200 by wireless signals. In the example of FIG. 7, the wireless telephone slave unit 300A is within the communication range of the wireless telephone master unit 200, but the wireless telephone slave unit 300B is the wireless telephone master unit 2.
00 has been taken out of the communication range.

FIG. 8 is a functional block diagram of a conventional radio telephone master unit with an answering machine function. In the radio telephone master unit 200 shown in the figure, the antenna 212 transmits and receives radio waves to and from the radio telephone slave unit. The radio means 201 is connected to the antenna 212, demodulates the radio signal received by the antenna 212 into a digital voice signal and an information signal, and the antenna 2
Digital audio signals and information signals to be transmitted from 12 are modulated into radio signals. On the other hand, the wire means 202 is connected to a telephone line, and modulates and demodulates a wired signal received from the telephone line and a wired signal to be transmitted via the telephone line.

The voice decoding means 206 is a wireless means 201.
The digital audio signal demodulated by is converted into an analog audio signal. The voice encoding means 207 is the wired means 202.
The analog voice signal demodulated by is converted into a digital voice signal and given to the wireless means 201. The wireless signal analysis unit 203 analyzes the information signal demodulated by the wireless unit 201. The superframe sending means 205 sends to the wireless means 201 a message string (superframe) that is always sent to the wireless telephone handset.

The switching means 208 is the base unit of the radio telephone 20.
The 0 mode is switched to either the answering machine mode or the normal mode. The operation unit 211 includes a switch for the user to select whether or not to set the wireless telephone master device 200 in the answering machine mode.

The message storage means 210 is a wired means 2.
Store the message received via 02. The message sending means 209 sends the message stored in the message storage means 210 via the wired means 202.
The control means 204 controls the entire radio telephone master unit 200.

FIG. 9 is a functional block diagram of a conventional wireless telephone handset. In the wireless telephone slave unit 300 shown in the figure, the antenna 311 transmits and receives radio waves to and from the wireless telephone master unit. The radio means 301 is connected to the antenna 311, demodulates the radio signal received by the antenna 311 into a digital voice signal and an information signal, and modulates the digital voice signal and the information signal to be transmitted from the antenna 311 into a radio signal.

The voice decoding means 305 is a wireless means 301.
The digital audio signal demodulated by is converted into an analog audio signal and output to the speaker 309. The voice encoding unit 306 converts the analog voice signal input by the microphone 308 into a digital voice signal and gives it to the wireless unit 301. The wireless signal analysis unit 302 analyzes the information signal demodulated by the wireless unit 301.

The wireless signal sending means 304 sends the information signal to be sent to the wireless means 301. The ringer generating means 307 generates a ringer signal and outputs it to the speaker 309. The control unit 303 controls the entire wireless telephone slave unit 300. The user issues various commands to the control unit 303 using the operation unit 310.

Next, the operation of the radio telephone master unit 200 of FIG. 8 will be described with reference to the flowchart of FIG.

In the stand-by state (S60), the superframe sending means 205 sends the BCCH (Broad).
casting channel), SCCH (Sig
A superframe including a calling control channel) and a PCH (Paging channel) is sent to the wireless telephone handset 300 via the wireless means 201 on the control channel. In this state, the contents of all PCHs are "no ringing".

When it is detected that the wired signal received through the wired means 202 is an incoming signal (S61), the control means 204 determines whether or not the wireless telephone base unit 200 is set in the answering machine mode (S62). . If not in the answering mode, the super frame sending means 205
Changes the contents of all PCHs to be sent to "calling" (S63), and transits to a standby state (S6).
0).

In the answering machine mode, the message sending means 209 sends a response message to the caller through the wired means 202 in response to the incoming call (S64). When the sending of the response message is completed, the message storage unit 210 starts storing the message of the calling party received via the wired unit 202 (S65), and transits to the standby state (S60).

When it is detected that the caller goes on-hook through the wired means 202 (S66), the control means 204 stops the storage of the received message by the message storage means 210 (S67) and transits to the standby state (S6).
0).

The radio signal analysis means 203 is the radio means 201.
As a result of analyzing the message received through the message, when it is detected that the message is a response message (calling response) from the wireless telephone handset 300 (S68), the superframe transmitting means 205 causes all PCHs (paging channels). Is changed to "no call" (S69). After that, the slot
After allocating a frequency and establishing a link channel / service channel (S70), a call state is entered (S7).
1).

Next, the operation of the wireless telephone handset 300 will be described with reference to the flowcharts of FIGS. 11 and 12.

When the control channel is received through the wireless means 301 in the power-on state (S71 in FIG. 11), the wireless signal analysis means 302 determines whether the control channel is the control channel from the wireless telephone base station. Determine (S
72). If it is not the control channel from the radio telephone base station, the radio signal analyzing means 302 determines whether the control channel is the control channel from the radio telephone base unit 200 (S73). If it is not the control channel from the wireless telephone base unit 200, the call is disabled (S74),
If it is the control channel from the wireless telephone base unit 200, a transition is made to a standby state (S70).

In the standby state (S70), the wireless means 301 receives the superframe sent from the wireless telephone master unit 200 on the control channel, and the wireless signal analysis means 302 analyzes the content.

In S72, if the received control channel is the control channel from the radio telephone base station, the location registration operation is performed. That is, the radio signal transmitting means 304 transmits a "location registration request" to the radio telephone base station through the radio means 301 (S75), and waits for reception of the location registration response from the radio telephone base station (S76). When the location registration response is received from the wireless telephone base station and the location registration operation succeeds (S77), the state transits to the standby state (S70), and the location registration operation fails without receiving the location registration response from the wireless telephone base station. (S78), the call is disabled (S7)
9).

In the standby state (S70 of FIG. 12), when the PCH (paging call channel) of "there is a call to the wireless telephone handset" is received from the wireless telephone base unit 200 (S).
81), the ringer generating means 307 generates a ringer signal and outputs it to the speaker 309 (S82).

While waiting for the user's off-hook (S8
When the off-hook is detected in 3) (S84), the control means 303 causes the ringer generating means 307 to stop the generation of the ringer signal (S85). And the wireless signal transmitting means 3
04 transmits a response message (call response) to “there is a call to the wireless telephone handset” on the control means by the wireless means 301.
Through the wireless telephone base unit 200 (S86). After that, the slot / frequency is allocated, the link channel / service channel is established (S87), and the call state is entered (S88).

As described above, communication is performed between the radio telephone master unit 200 and the radio telephone slave unit 300.

[0023]

In the above-mentioned conventional PHP system, when the user takes the wireless telephone slave unit 300 out of the communication range of the wireless telephone master unit 200, the wireless telephone master unit 200 calls the wireless telephone slave unit 300. I can't. Therefore, when the user takes the wireless telephone slave unit 300 out of the communication area of the wireless telephone master unit 200, the user needs to set the wireless telephone master unit 200 to the answering machine mode by using the operation unit 211 in advance.

Since the radio telephone master unit 200 does not always manage the communication state with the radio telephone master unit 300 belonging to it, the user takes the radio telephone master unit 300 out of the communication range of the radio telephone master unit 200. Each time, the wireless telephone master unit 200 is manually set to the answering machine, and the wireless telephone slave unit 30 is set.
Every time 0 is brought into the communication area of the wireless telephone base unit 200, the answering machine must be manually released. But,
Often, forgetting to set or cancel the answering machine occurs.

If a message from the caller is stored while the wireless telephone master unit 200 is set in the answering machine mode, the user who takes the wireless telephone slave unit 300 out of the communication range of the wireless telephone master unit 200. Is a wireless telephone base unit 200
Cannot immediately hear the message stored in.

Therefore, an object of the present invention is to provide a radio telephone master unit in which the answering machine function is automatically set and released when the radio telephone handset is brought out of the communication area or brought into the communication area. The purpose is to

Another object of the present invention is to provide a radio telephone master unit capable of storing a message from a caller in an answering machine mode and at the same time notifying a user having a radio telephone handset of the contents of the message. The purpose is to provide.

[0028]

[Means for Solving the Problems]

(1) First Invention A radio telephone master unit according to the first invention comprises a message storage means, a monitoring means, and a control means.

The message storage means stores the received message given from the caller through the line in the answering machine mode. The monitoring means detects whether or not the wireless telephone handset exists within the communication range.

When the monitoring means detects that the wireless telephone handset is within the communication range when receiving an incoming call to the wireless telephone handset from the line, the control means calls the wireless telephone handset by wireless communication. If the monitoring means detects that the wireless telephone handset is not within the communication range, the operation mode is set to the answering machine mode, and after the message storage means stores the received message, the operation mode is set to the normal mode. Set.

(2) Second Invention A radiotelephone master unit according to a second invention is the radiotelephone master unit according to the first invention, further comprising a telephone number storage means and a wire transmission means.

The telephone number storage means stores the telephone number of the wireless telephone slave unit. The wired transmission means, after the storage operation of the received message by the message storage means, makes an external call to the line based on the telephone number stored in the telephone number storage means, and stores the message when the wireless telephone handset responds. The received message stored in the means is transmitted to the wireless telephone handset via the line.

(3) Third Invention A radiotelephone master unit according to a third invention is the radiotelephone master unit according to the first invention, further comprising radio transmission means.

When the monitoring means detects that the wireless telephone slave unit has been brought into the communication area when the message received from the caller is stored in the message storage means, the wireless transmission means performs wireless communication. When an extension call is made to the wireless telephone subunit and the wireless telephone subunit responds, the received message stored in the message storing means is transmitted to the wireless telephone subunit by wireless communication.

[0035]

In the radio telephone base unit according to the first to third aspects of the present invention, when there is an incoming call from the line to the radio telephone handset, if the radio telephone handset is within the communication area, the radio telephone is connected by radio communication. When the handset is called and the wireless telephone handset is not in the communication range, the operation mode is set to the answering machine mode. Then, after the storage operation of the received message by the message storage means, the operation mode is returned to the normal mode.

As described above, since the wireless telephone master unit is automatically set to the normal mode or the answering machine depending on the communication state of the wireless telephone slave unit, every time the user takes the wireless telephone slave unit out of the communication range. It is not necessary to set the wireless telephone master unit to the answering machine mode and cancel the answering machine mode each time the wireless telephone slave unit is brought into the communication area.

According to the radio telephone base unit of the second invention,
When the wireless telephone handset is out of the communication range, the caller's message stored in the wireless telephone handset is transmitted to the wireless telephone handset via the line.

Therefore, the user of the wireless telephone handset is
Even when the wireless telephone handset is taken out of the communication range, the caller's message can be heard immediately.

According to the radio telephone base unit of the third invention,
When the wireless telephone slave unit is brought into the communication area, the caller's message stored in the wireless telephone master unit is transmitted to the wireless telephone slave unit by wireless communication.

Therefore, the user of the wireless telephone handset is
When the wireless telephone handset is brought into the communication area, the caller's message can be heard immediately.

[0041]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a functional block diagram of a radio telephone base unit according to an embodiment of the present invention. The radio telephone base unit 10 shown in FIG.
0, the antenna 115, the wireless unit 101, the wired unit 102, the voice decoding unit 113, and the voice encoding unit 114 have an antenna 212, a wireless unit 201, a wired unit 202, and a voice decoding unit in the wireless telephone master unit 200 of FIG. It has the same function as each of the means 206 and the voice encoding means 207.

Further, the radio signal analyzing means 103, the superframe transmitting means 105 in the radio telephone base unit 100,
The switching means 110, the message storage means 112, and the message transmission means 111 are the wireless signal analysis means 203, the superframe transmission means 205, the switching means 208, and the message storage means 21 in the wireless telephone base unit 200 of FIG.
0 and the message sending means 209 have the same functions.

In the radio telephone master unit 100 shown in FIG. 1, a radio telephone slave unit monitoring means 106 is provided in place of the operating means 211 in the radio telephone master unit 200 shown in FIG. Telephone handset number storage means 108 and wireless telephone handset number sending means 109 are provided.

The wireless telephone slave unit monitoring means 106 monitors the communication state with the wireless telephone slave unit by periodically making a registration request to the wireless telephone slave unit. Here, the registration request is an operation for recognizing which wireless telephone handset is in the communication range. The wireless telephone slave unit management means 107 stores the logical number of the wireless telephone slave unit to thereby monitor the wireless telephone slave unit 1.
Manages the communication status monitored by 06. Here, the wireless telephone slave unit logical number is a telephone number of the wireless telephone slave unit or a number internally given to each wireless telephone slave unit between the wireless telephone slave unit 100 and the wireless telephone slave unit.

Specifically, the wireless telephone slave unit monitoring means 106.
Periodically changes the contents of the PCH (paging call channel) included in the superframe to “registration request”, and at the same time, initializes the wireless telephone slave unit logical number stored in the wireless telephone slave unit management means 107. (clear. In the wireless telephone handset, the content of the received PCH is "registration requested"
When it is detected, the response message including the logical number of the wireless telephone slave unit is immediately transmitted to the wireless telephone master unit 100. The wireless telephone slave unit management unit 107 stores the wireless telephone slave unit logical number included in the response message from the wireless telephone slave unit, and which wireless telephone slave unit exists within the communication range based on the wireless telephone slave unit logical number. Recognize what to do.

The wireless telephone slave unit number storage means 108 stores the telephone numbers of all the wireless telephone slave units. When there is an incoming call designating a specific wireless telephone slave unit, the wireless telephone slave unit number sending means 109 stores the wireless telephone slave unit number storage means 10.
Among the telephone numbers of the wireless telephone slaves stored in No. 8, the telephone number of the designated wireless telephone slave is sent to the telephone line through the wire means 102. If the incoming call is not an incoming call designating a specific wireless telephone handset, the wireless telephone handset number sending means 109
Sends out the telephone number of the wireless telephone handset designated by the user in advance. The control means 104 controls the wireless telephone base unit 10
The overall control of 0 is performed.

In this embodiment, the wireless telephone slave unit monitoring means 10 is used.
6 and the wireless telephone slave unit management means 107 constitute a monitoring means. The wireless telephone slave unit number storage means 108 constitutes a telephone number storage means, and the wired means 102, the wireless telephone slave unit number transmission means 109 and the message transmission means 111 constitute a wired transmission means. Further, the wireless means 101, the super frame sending means 105 and the message sending means 111 constitute a wireless sending means.

The configuration of the wireless telephone handset which communicates with the wireless telephone base unit 100 shown in FIG. 1 is the same as that shown in FIG.
The operation is different as described later.

Next, the operation of the radio telephone master set 100 shown in FIG. 1 will be described with reference to the flowcharts shown in FIGS. 2, 3 and 4.

In the standby state (S0 in FIG. 2),
The superframe sending means 105 uses PCH, SCCH
And a super frame including PCH (paging channel) is transmitted to the wireless telephone slave unit 300 (see FIG. 9) through the wireless means 101 on the control channel. In this state, the contents of all BCHs (paging channels) are "no paging".

When the control means 104 gives a registration instruction (S
1) The wireless telephone slave unit monitoring means 106 periodically initializes the wireless telephone slave unit logical number stored in the wireless telephone slave unit management means 107 (S2), and the superframe sending means 105 sends the logical number. All of the existing PCHs are changed to "registration required" (S3).

The wireless signal analysis means 103 is used as the wireless telephone slave unit 3.
When detecting that the response message to “Registration request” is received from 00 (S4), the wireless telephone handset management unit 107 stores the wireless telephone handset logical number included in the response message (S5) and waits. Transition to (S
0).

When the wired means 102 detects an incoming signal from an external line (telephone line) (S6), the wireless telephone slave unit management means 107 causes the wireless telephone of the destination to receive the wireless telephone based on the stored wireless telephone slave unit logical number. It is determined whether the handset 300 is within the communication range of the radio telephone base unit 100 (S7). When the wireless telephone handset 300 of the incoming call destination is not within the communication range of the wireless telephone handset 100, the switching unit 110 sets the mode of the wireless telephone handset 100 to the answering machine mode (S8) and answers the incoming call (S9). ).

In S10 of FIG. 4, the message sending means 111 sends a response message to the calling party through the wired means 102. The message storage means 112 starts to store the message of the caller received through the wired means 102 (S11).

In S12 of FIG. 3, when it is detected that the caller goes on-hook, the control means 104 determines whether the mode of the radio telephone master unit 100 is the normal mode or the answering machine mode (S13). In normal mode,
The line is disconnected (S14), and a transition is made to the standby state (S
0).

In the answering machine mode, the storage of the message from the caller in the message storage means 112 is stopped (S15), and the line is disconnected (S16). Then, the wireless telephone handset number sending means 109 sends the telephone number of the wireless telephone handset 300 stored in the wireless telephone handset number storage means 108 to the telephone management station via the wire means 102 and the telephone line ( S17). As a result, the wireless telephone base station calls the wireless telephone slave unit 300, and the wireless telephone base unit 100 waits for an outside line call response (S18).

In S19 of FIG. 4, the called wireless telephone handset 300 is in a state capable of communicating with the wireless telephone base station,
In addition, when the off-hook of the wireless telephone slave unit 300 is detected in the case of answering the call of the wireless telephone base station, the control means 1
04 determines whether the mode of the radio telephone base unit 100 is the normal mode or the answering machine mode (S20). In the normal mode, the call state is entered (S24).

In the answering machine mode, the message sending means 111 transfers the message from the calling party stored in the message storage means 112 to the responding wireless telephone handset 300 through the wired means 102 (S21). When the transfer ends, the switching unit 110 changes the mode to the normal mode (S22). Then, the line is disconnected and the standby state is entered (S0).

In S7 of FIG. 2, the wireless telephone slave unit 300 is provided.
Is within the communication range of the wireless telephone base unit 100, all PCHs transmitted by the superframe transmitting means 105 are transmitted.
The content of (Paging channel) is changed to "Called" (S25), and the standby state is entered (S0).

In S26 of FIG. 3, as a result of analyzing the message received through the wireless means 101 by the wireless signal analyzing means 103, the message is the wireless telephone handset 300.
When it is detected that the response message is a response message (calling response) from the super frame sending means 105, the contents of the PCH (paging call channel) are changed to "no calling" (S27). After that, a slot / frequency is assigned to the responding wireless telephone handset 300, a link channel / service channel is established (S28), and a call state is entered (S2).
9).

In S30 of FIG. 2, after a certain time has passed,
When the registration instruction is completed (S30), the wireless telephone handset monitoring unit 106 changes all PCHs (paging channels) to "no call" (S31).

When the message from the caller is stored in the message storage means 112, it is confirmed that the wireless telephone slave unit 300 has been brought into the communication area of the wireless telephone master unit 100. Is detected, the superframe sending means 105 calls the wireless telephone slave unit 300 through the wireless means 101. Then, the message sending means 111 sends the message from the caller stored in the message storage means 112 to the wireless telephone slave unit 300 through the wireless means 101.

Next, the operation of the wireless telephone slave unit 300 (see FIG. 9) that communicates with the wireless telephone master unit 100 of FIG. 1 will be described with reference to the flowcharts of FIGS. 5 and 6.

The operation of discriminating the transmission destination in S31 to S34 and the position registration operation in S35 to S39 shown in FIG.
This is the same as the operation of determining the transmission destination in S71 to S74 and the position registration operation of S75 to S79 shown in FIG. The response operation of S41 to S48 shown in FIG. 6 is the same as the response operation of S81 to S88 shown in FIG.

In the standby state (S30 in FIG. 6), the wireless means 301 receives the superframe transmitted from the wireless telephone master unit 100 on the control channel, and the wireless signal analysis means 302 analyzes the content. .

PCH received through wireless means 301
When the wireless signal analysis unit 302 detects that the content of (paging channel) is "registration requested" (S4).
9), the wireless signal sending means 304 sends a response message including the wireless telephone slave unit logical number on the control channel to the wireless means 30.
It is sent to the wireless telephone base unit 100 through 1 (S50), and the standby state is entered (S30).

As described above, the radio telephone master unit 100 is automatically set and released in the answering machine mode based on the communication state with the radio telephone slave unit 300. Also, the wireless telephone master device 100 can store the message from the caller and, at the same time, transfer the message to the corresponding wireless telephone slave device 300.

In the above embodiment, the wireless telephone handset number storage means 108 stores the telephone numbers of all the wireless telephone handset units in advance, but there is an incoming call from an outside line and the receiving destination wireless telephone handset unit. Is not within range of the wireless telephone base unit,
The telephone number of the wireless telephone slave unit may be stored in the wireless telephone slave unit number storage means 108.

[0070]

As described above, according to the first to third aspects of the invention, the user sets the wireless telephone master unit to the answering machine mode every time the user takes the wireless telephone slave unit out of the communication area. It is no longer necessary to cancel the answering machine every time you bring your into the service area.

In particular, according to the second invention, the user of the wireless telephone handset can immediately hear the caller's message even when the wireless telephone handset is taken out of the communication range.

According to the third aspect of the invention, the user of the wireless telephone handset can immediately hear the caller's message when the wireless telephone handset is brought into the communication area.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a wireless telephone base unit according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the wireless telephone base unit according to the embodiment of the present invention.

FIG. 3 is a flowchart showing the operation of the wireless telephone base unit according to the embodiment of the present invention.

FIG. 4 is a flowchart showing the operation of the wireless telephone base unit according to the embodiment of the present invention.

FIG. 5 is a flowchart showing the operation of the wireless telephone handset according to the embodiment of the present invention.

FIG. 6 is a flowchart showing the operation of the wireless telephone handset according to the embodiment of the present invention.

FIG. 7 is a schematic diagram of a conventional PHP system.

FIG. 8 is a functional block diagram of a conventional wireless telephone base unit with an answering machine function.

FIG. 9 is a functional block diagram of a conventional wireless telephone handset.

FIG. 10 is a flowchart showing the operation of a conventional wireless telephone base unit.

FIG. 11 is a flowchart showing an operation of a conventional wireless telephone handset.

FIG. 12 is a flowchart showing the operation of a conventional wireless telephone handset.

[Explanation of symbols]

 100 Wireless Telephone Master Unit 101 Wireless Means 102 Wired Means 103 Wireless Signal Analyzing Means 104 Control Means 105 Super Frame Sending Means 106 Wireless Telephone Handset Monitoring Means 107 Wireless Telephone Handset Management Means 108 Wireless Telephone Handset Number Storage Means 109 Wireless Telephone Handsets Machine number sending means 110 Mode switching means 111 Message sending means 112 Message storing means 113 Voice decoding means 114 Voice coding means 115 Antenna 300 Radio telephone handset 301 Radio means 302 Radio signal analyzing means 303 Control means 304 Radio signal sending means 305 Speech decoding means 306 Speech coding means 307 Ringer generating means 308 Microphone 309 Speaker 310 Operating means 311 Antenna

Claims (3)

[Claims] 1. A wireless telephone master unit that is connected to a line and wirelessly communicates with a wireless telephone slave unit and has a normal mode and an answering machine mode as operation modes, wherein the line is connected from a caller in an answering machine mode. Message storage means for storing a received message given through, monitoring means for detecting whether or not the wireless telephone handset exists within the communication range, and when receiving an incoming call to the wireless telephone handset from the line, If the monitoring means detects that the wireless telephone handset is within the communication area, the wireless telephone handset is called by wireless communication, and the wireless telephone handset is not present within the communication area by the monitoring means. If the message is detected, the operation mode is set to the answering machine, and after the message storing means stores the received message, the operation mode is switched on. And control means for setting the mode,
Wireless telephone base unit. 2. A telephone number storage means for storing a telephone number of a wireless telephone handset, and a line based on the telephone number stored in the telephone number storage means after a storage operation of a received message by the message storage means. And a wired transmission means for transmitting the received message stored in the message storage means to the wireless telephone handset via the line when the wireless telephone handset responds. The wireless telephone base unit according to claim 1. 3. When a message received from a caller is stored in the message storage means and the monitoring means detects that the wireless telephone handset exists within a communication range, wireless communication is performed. When the extension of the wireless telephone handset is called and the wireless telephone handset responds, a wireless transmission means for transmitting the received message stored in the message storage means to the wireless telephone handset by wireless communication is further provided. The wireless telephone base unit according to claim 1, which is provided.