JP2001313712A - Telephone system, cordless telephone management device, and incoming call response control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a telephone system where functions and operation for a number report incoming call are distinct and setting and operation are clear. SOLUTION: A CPU 19 is provided with an exclusive register processing part 19a and an incoming control part 19b. The exclusive register processing part 19a discriminates whether a telephone number of which the registration is requested has been registered in a memory 13 or not when judging that the CPU 19 has received a registration request of the telephone number from a first slave machine 20 or a second slave machine 30. Only when this telephone number is not registered, the exclusive register processing part 19a makes the telephone number of the first slave machine 20 or the second slave machine 30, which has originated the registration request, correspond to the telephone number of a destination terminal and stores them in the memory 13. If the telephone number of the destination terminal has been registered in the memory 13 at the number report incoming call, the incoming control part 19b makes a designated telephone terminal, which corresponds to this registered telephone number, output an incoming tone and switches it to a speech channel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone having a plurality of telephone terminals connected to a common line, such as a cordless telephone having a plurality of slaves, a simple exchange system, and the like. According to a telephone system that can switch available telephone terminals based on a number,
In particular, the present invention relates to a telephone system that can clearly specify a telephone terminal that can respond.

[0002]

2. Description of the Related Art For example, in a cordless telephone having a plurality of slave units, a master unit as a telephone terminal is connected to an external public line, and the slave units as a plurality of telephone terminals are connected to the master unit via a wireless communication line. Connected. In some cordless telephone systems, a handset that responds can be specified according to the telephone number of the terminal that is the caller. In this case, the cordless telephone system registers the telephone number of the partner terminal in advance in association with each of a plurality of slaves, and determines whether or not the telephone number of the partner terminal has been registered when receiving a number notification. At this time, if it is determined that the telephone number of the partner terminal is registered, the slave unit (designated telephone terminal) corresponding to the telephone number of the partner terminal responds by outputting a ringtone or the like.

Conventionally, a cordless telephone system having such a function has been able to register the same telephone number for a plurality of slave units. In this case, when called by the partner terminal of the corresponding telephone number, ringers (so-called bells) and the like of all the slave units registered as the designated telephone terminals are sounded to output ringtones.
It was made to answer with the child unit which is a designated telephone terminal.
Further, in the conventional system, since only the output of a ring tone is controlled, a response by a telephone that does not output a ring tone, that is, a response by a handset other than the designated telephone terminal is also possible.

[0004] When no telephone is received by any telephone, an automatic response such as automatic message response or automatic mail reception is generally performed. In such a case, in the above-described conventional system, a telephone which automatically responds is specified by assigning priorities to a plurality of designated telephone terminals. For example, when the slave unit (A) and the slave unit (B) are designated for a certain number, it is impossible to automatically respond to both of them at the same time. ) To give priority to automatic response.

FIG. 6 is a processing sequence for explaining a specific processing at the time of an incoming call in the conventional system.
In FIG. 6, a dotted line indicates that the master unit and the slave unit are in the communication state using the control channel, and a solid line indicates that the master unit and the slave unit are in the communication state using the communication channel. As shown in the figure, when there is an incoming call from an outside line (step S101), if the call is a number notification incoming call, the base unit collates the telephone number, for example, 03-3333-3333, with the registered contents. If the telephone number is registered as a designated telephone terminal in association with the first and second slave units, the master unit requests the first and second slave units to output a ringtone according to the registered contents ( (Steps S102, S103), and all the slaves, that is, the first to third slaves, are shifted to the communication channel (steps S102, S103, S104). For example, the third handset is a non-targeted handset, is not registered as a designated telephone terminal, and does not ring, but shifts to a communication channel, so that the third handset responds. You can also. When the third handset responds, the third handset captures the incoming line and transitions to an outside call (steps S105 and S106). At this time, the first handset and the second handset transition to the standby state (step S10).
7, S108). In this way, an outside line call is performed by the third slave unit (step S109).

In this case, the registration of the designated telephone terminal is performed, for example, from the slave unit to the master unit, and the registered contents are stored in the master unit. That is, as shown in FIG.
The child device requests registration of the telephone number 03-3333-3333 (steps S111, S113), and is registered with permission of the parent device (steps S112, S114).
As described above, in the conventional system, it is possible to register repeatedly. For this reason, even after that, even if the registration of the same telephone number 03-3333-3333 is requested by the second child device, the registration is permitted and registered by the parent device.

[0007]

As described above, in the conventional cordless telephone system, the same telephone number is associated with a plurality of telephones and registered as a designated telephone terminal. Has been output to all the telephones associated with. Also, at this time, it is possible to respond to a telephone other than the designated telephone terminal that does not ring a ring tone, and the meaning of registration of the designated telephone terminal is sparse. Furthermore, when the same telephone number is associated with a plurality of telephones, by prioritizing, for example,
It was necessary to identify the telephone that would answer automatically. For this reason, this type of conventional system has a specification in which setting and operation are very difficult for a user to understand.

The present invention has been made in view of the above circumstances, and has as its object to provide a telephone system in which the functions and operations of a designated telephone terminal at the time of receiving a number notification are clear, and the settings and operations are clear.

[0009]

In order to achieve the above object, a telephone system according to a first aspect of the present invention comprises a plurality of telephone terminals connected to a common line, wherein Registration information recording means for recording registration information indicating correspondence between the telephone number of the other party terminal and one of the plurality of telephone terminals, and a designated telephone terminal for specifying only one of the plurality of telephone terminals A registration processing means for creating registration information exclusively associated with the telephone number of the partner terminal and recording the registration information in the registration information recording means; and And an incoming call control means for enabling only those associated with the telephone number of the called party's terminal in the registration information recorded in the outside line to be connected to an outside line.

According to the present invention, the registration processing means creates registration information exclusively associated with the telephone number of the other terminal using only one of the plurality of telephone terminals as the designated telephone terminal, and registers the registration information. The information is recorded by the information recording means. The incoming call control means can connect to the outside line only the telephone terminal of the plurality of telephone terminals which is associated with the telephone number of the called terminal in the registration information recorded in the registration information recording means when receiving the number notification. And As a result, only one designated telephone terminal can be registered for one telephone number when receiving a number notification, and the functions and operations of the telephone system become clear.
Settings and operations are clear.

[0011] The incoming call control means, when receiving the number notification,
It is desirable to output a ringtone only to the telephone terminal of the plurality of telephone terminals that is associated with the telephone number of the called terminal in the registration information recorded in the registration information recording unit. Further, the incoming call control means, when receiving the number notification, among the plurality of telephone terminals, the plurality of telephone terminals associated with the telephone number of the called party terminal in the registration information recorded in the registration information recording means. It is desirable to transfer only the call channel. Thereby, even when answering the call by the designated telephone terminal, the process for changing the communication channel becomes unnecessary, and the operation becomes clear.

[0012] The plurality of telephone terminals include one master unit connected to the line and two or more slave units coupled to the master unit, and the registration processing means includes: It is preferable to create the registration information by specifying the designated telephone terminal from among them. Further, it is preferable that the registration information recording unit, the registration processing unit, and the incoming call control unit are built in the master unit.

A cordless telephone management device according to a second aspect of the present invention performs wireless communication with a plurality of slave units and connects to a called terminal via a telephone line. Registration information recording means for recording registration information indicating correspondence with a telephone number of a partner terminal using only one of the plurality of child devices as a designated terminal, and receiving a telephone number registration request from the child device Registration processing for determining whether the telephone number requested to be registered is included in the registration information recorded in the registration information recording means, and rejecting the registration request when it is determined that the telephone number is included. Means for receiving a number notification when the registration information recorded in the registration information recording means includes the telephone number of the other terminal of the caller when the number notification is received; Control means It is characterized in.

According to the present invention, the registration information recording means includes:
The registration information indicating the correspondence with the telephone number of the partner terminal is recorded with only one of the plurality of slaves as the designated terminal.
Upon receiving a telephone number registration request from the slave unit, the registration processing means determines whether the telephone number requested to be registered is included in the registration information, and rejects the registration request if the telephone number is included in the registration information. I do. When the registration information includes the telephone number of the caller's terminal at the time of receiving the number notification, the incoming call control means causes only the slave unit associated with the telephone number to respond as the designated terminal. Thereby, the operation at the time of receiving the number notification becomes clear, and the setting and the operation become clear.

The incoming call control means, when receiving a number notification,
It is preferable that the ring tone is output only to the slave unit associated with the designated terminal in the registration information recorded in the registration information recording unit, among the plurality of slave units. Further, the incoming call control means, when receiving the number notification, among the plurality of slave units,
It is preferable that only the slave unit associated with the designated terminal in the registration information recorded in the registration information recording unit is shifted to the communication channel. This eliminates the need for a process for changing the communication channel even when the slave unit, which is the designated terminal, answers the call, and the operation becomes clear.

An incoming call response control method according to a third aspect of the present invention is a method for controlling incoming call responses of a plurality of telephone terminals connected to a common line, wherein the incoming call response of the plurality of telephone terminals is controlled. Only one of the telephone terminals is designated as a designated telephone terminal, and registration information exclusively associated with the telephone number of the other terminal to be called is created and recorded in a memory. Of the above, only the designated telephone terminal associated with the telephone number of the called terminal in the registration information recorded in the memory can be connected to an outside line.

Here, when the number notification is received, only the designated telephone terminal of the plurality of telephone terminals which is associated with the telephone number of the called terminal in the registration information recorded in the memory is ringtone. May be output. Also, at the time of receiving the number notification, of the plurality of telephone terminals, only the designated telephone terminal associated with the telephone number of the called terminal in the registration information recorded in the memory is shifted to the communication channel. Is also good.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A telephone system according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing a configuration of a telephone system according to an embodiment of the present invention. As shown in the figure, the telephone system includes a base unit 10, a first slave unit 20,
And a slave unit 30.

Base unit 10 is connected to a telephone line such as a public line, and is connected to base unit 10 via a wireless communication line.
The second slave unit 20 and the second slave unit 30 are connected to each other.
Here, although not shown, more subunits may be connected similarly to the first subunit 20 and the second subunit 30 and the like.

Base unit 10 includes a line interface circuit 11
Communication path processing circuit 12, memory 13, key 14
, A speaker 15, a microphone 16, an RF (high-frequency to radio wave) module 17, and a ringer speaker 1
8 and a CPU (Central Processing Unit) 19.

The line interface circuit 11 is
Is connected to a telephone line such as a public line to perform telephone communication. The communication path processing circuit 12 is a circuit for forming a communication path for a telephone line connected via the line interface circuit 11, and is usually configured using a dedicated IC (integrated circuit) or the like.

The memory 13 includes a ROM (Read Only Memory), a RAM (Random Access Memory) 13a as illustrated in FIG. 2, and the like, and stores information relating to the functional operation of the base unit 10.

The RAM 13a stores the telephone numbers of the other terminals (originating terminals) having the first slave unit 20 or the second slave unit 30 as designated telephone terminals, and stores the telephone numbers of the first slave unit 20 and the second slave unit. 3
It is stored in association with each 0. That is, the RAM 13a
Is the first when receiving a number notification call from the partner terminal
The information for identifying the telephone set which can be answered among the child device 20 and the second child device 30 based on the telephone number of the partner terminal is stored.

Keys 14 include numeric keys, various function keys, and the like, and are used to operate master device 10 as a telephone terminal. The speaker 15 converts the received voice signal output from the communication path processing circuit 12 and reproduces it as voice. The microphone 16 converts the transmission voice into an electric signal and supplies the electrical signal to the communication path processing circuit 12 as a transmission voice signal. The speaker 15 and the microphone 16 constitute a telephone handset.

The RF module 17 includes the master unit 10 and the slave unit 2.
Wireless communication is performed by transmitting and receiving wireless signals between 0 and 30 and the like. The ringer speaker 18 is used to generate a ringer at the time of an incoming call, that is, a ringtone.

The CPU 19 is constituted by using a microprocessor or the like, and controls the operation of the communication path processing circuit 12 by transmitting and receiving signals to and from the communication path processing circuit 12.
At the time of holding, a hold sound signal is supplied to the communication path processing circuit 12 to generate a hold sound. The CPU 19 reads and executes necessary firmware programs and data from the memory 13 to execute various functional operations of the base unit 10 and reads / writes information such as intermediate data being processed into / from the memory 13. Or

Here, the CPU 19 responds to the operation input of the key 14 in various operations, and
The communication information and other information are communicated between the first handset 20 and the second handset 30 via the. Further, the CPU 19
Drives the ringer speaker 18 as necessary at the time of an incoming call to sound a ringer, that is, a ring tone.

The CPU 19 executes, for example, a firmware program read from the memory 13 to thereby execute an exclusive registration processing section 19a and an incoming call control section 19b.
Substantially.

The exclusive registration processing unit 19a stores the telephone number of the partner terminal (calling terminal) associated with the first handset 20 and the second handset 30 as the registration information of the designated telephone terminal in the memory 13. At the time of registration, it is determined whether or not the telephone number is associated with another telephone terminal. At this time, the exclusive registration processing unit 19a permits the registration of the telephone number only when it is determined that the telephone number is not associated with another telephone terminal.

The incoming call control unit 19b receives
It is determined whether or not the telephone number of the partner terminal is included in the registration information registered in the memory 13. If it is determined that the telephone number is included, the designated telephone terminal (for example, a slave) associated with the telephone number is determined.
Only to output the ringtone and shift to the call channel.

The first slave unit 20 includes a key 21, a speaker 22, a microphone 23, and an RF module 24.
, A ringer speaker 25, and a CPU 26.

The keys 21 include numeric keys and various function keys, and are used to operate the first slave unit 20 as a telephone terminal. The speaker 22 converts a received voice signal supplied via the RF module 24 and reproduces the voice. The microphone 23 converts the transmission voice into an electric signal and transmits the electric signal to the parent device 10 via the RF module 24 as a transmission voice signal. The speaker 22 and the microphone 23 constitute a telephone handset.

The RF module 24 includes the first slave unit 2
Wireless communication is performed by transmitting and receiving a wireless signal between the master device 10 and the base unit 10. The ringer speaker 25 is used to generate a ringer, that is, a ringtone at the time of an incoming call.

The CPU 26 is constituted by using a microprocessor or the like, and in various operations, responds to an operation input of the key 21 and communicates call information and other information with the master unit 10 via the RF module 24. . Further CPU2
6 drives the ringer speaker 25 as necessary at the time of an incoming call to make a ringer, that is, a ringtone sound.

Similarly, the second handset 30 has a key 31 and
A speaker 32, a microphone 33, an RF module 34, a ringer speaker 35, and a CPU 36 are provided.

The keys 31 include numeric keys, various function keys, and the like, and are used to operate the second slave unit 30 as a telephone terminal. The speaker 32 converts the received voice signal supplied via the RF module 34 and reproduces it as voice. The microphone 33 converts the transmission voice into an electric signal and transmits the electrical signal to the parent device 10 via the RF module 34 as a transmission voice signal. The speaker 32 and the microphone 33 constitute a telephone handset.

The RF module 34 includes the second slave unit 3
Wireless communication is performed by transmitting and receiving a wireless signal between the master device 10 and the base unit 10. The ringer speaker 35 is used to generate a ringer, that is, a ringtone at the time of an incoming call.

The CPU 36 is constituted by using a microprocessor or the like, and in various operations, responds to an operation input of the key 31 and communicates call information and other information with the master device 10 via the RF module 34. . In addition, CPU3
6 drives the ringer speaker 35 as necessary at the time of an incoming call to sound a ringer, that is, a ring tone.

Next, the operation of the telephone system thus configured will be described. In this telephone system, when registering the telephone number of the partner terminal as the registration information of the designated telephone terminal, the exclusive registration processing unit 19 provided in the CPU 19 of the base unit 10
With the function a, only one designated telephone terminal can be associated with one telephone number. In this case, the telephone number that can be registered as the designated telephone terminal is the telephone terminal other than the parent device 10, that is, the first child device 2
Only 0 and the second slave 30 and the like. As for the base unit 10, all telephones may be set to be able to receive incoming calls, and for telephone numbers for which registration information of the designated telephone terminal is not registered, only the base unit may be used for answering.
All telephone terminals including 0 may respond.

When registering a telephone number, the telephone system executes a number registration process shown in the flowchart of FIG. When the number registration process is started, in the base unit 10, first, the CPU 19 controls the RF module 17 to perform wireless communication, thereby requesting the first handset 20 or the second handset 30 to register a telephone number. It is checked whether or not it has been received (step S11).

When CPU 19 determines that a registration request for a telephone number has been received (YES in step S11), exclusive registration processing section 19a refers to the registration information of another telephone terminal recorded in memory 13 to register. It is determined whether or not the telephone number requested has already been registered (step S1).
2).

If the exclusive registration processing section 19a determines that the telephone number has not been registered (N in step S12)
O) A RAM in which the first handset 20 or the second handset 30 that has transmitted the registration request is associated with the telephone number of the partner terminal.
13a and register the telephone number of the partner terminal (step S13). As a result, as shown in FIG. 2, the registered telephone number for each telephone terminal can be identified in the RAM 13a by the registered telephone number for the first child device 20 and the registered telephone number for the second child device 30. The registered information of the designated telephone terminal, which is a list, is recorded. Thereafter, the CPU 19 ends the number registration process and returns to the standby state.

On the other hand, when the exclusive registration processing unit 19a determines in step S12 that the telephone number requested to be registered has already been registered (YE in step S12).
S), a registration error is notified to the telephone terminal (the first slave unit 20 or the second slave unit 30) that has made the registration request that the registration is not possible (step S14), and the number registration process is completed and waits. Return to the state. As described above, the exclusive registration processing unit 19a
Receives a registration request, checks all telephone numbers recorded in the RAM 13a as registration information of the designated telephone terminal, and permits the registration only if the telephone number requested to be registered has not been registered yet. . That is, the exclusive registration processing unit 19a exclusively records the telephone number as registration information of the designated telephone number in the RAM 13a.

Further, the CPU 19 determines in step S11
When it is determined that registration of a telephone number has not been requested from the first handset 20 or the second handset 30, the number registration process is immediately terminated, and the process returns to the standby state.

For example, as shown in FIG. 4, first, the first slave unit 20 requests registration of a telephone number, for example, 03-3333-3333 (step S21). It is assumed that registration is permitted and the first slave unit 20 has been registered as a designated telephone terminal (step S
22). In FIG. 4, the dotted line indicates that the master unit 10, the first slave unit 20, and the second slave unit 30 are in a communication state using the control channel.

In this case, the second slave unit 30 later sets the same 0
Upon requesting the registration of the telephone number 3-33333-3333 (step S23), the exclusive registration processing unit 19a rejects the registration request assuming that this number has already been registered, and
The registration with the second slave unit 30 as the designated telephone terminal is not performed (step S24).

As described above, since the registration information of the designated telephone terminal is exclusively set, there is no telephone number for designating a plurality of telephone terminals. Thereafter, as shown in FIG. 5, when a call is received from a partner terminal whose telephone number is 03-3333-3333 (step S31),
Master device 10 sends a ringing request only to first slave device 20 associated as the designated telephone terminal, and shifts to the call channel (step S32). Therefore, for example, even if a connection request for capturing a line to receive a telephone call is sent from the second child device 30 to the parent device 10 (step S3).
3), master device 10 ignores this connection request. In this case, the incoming call history is not stored in the telephone terminals other than the first slave unit 20 which is the designated telephone terminal.

At this time, when a connection request for capturing a line is transmitted from first slave unit 20 to receive a telephone call (step S34), master unit 10 calls first slave unit 20 with an outside line. The state is transited (step S35). This allows
The first handset 20 can communicate with an outside line (step S36). In FIG. 5, the master unit 10 and the first slave unit 2
The dotted lines indicate that the 0 and the second slave units 30 are in the communication state using the control channel, and the solid lines indicate that they are in the communication state using the communication channel.

As described above, base unit 10 shifts only a single designated telephone terminal to the communication channel. Therefore, when there is a response (off-hook) for receiving a call from the designated telephone terminal, an automatic response for recording a voice message, an instruction for performing automatic mail reception, or the like thereafter, the base unit 1
0 can execute a process for an incoming call without executing a process such as transiting a communication channel to a standby control channel.

As described above, in this telephone system, when registering a telephone number, it is determined whether or not the telephone number has been registered, including the telephone number associated with another telephone terminal, and the telephone number of the partner terminal is exclusively determined. , And in the case of an incoming call addressed to the designated telephone terminal, base unit 10 does not establish a link with an undesignated telephone terminal. For this reason, when the designated telephone terminal answers,
Even when there is a response to the call by the designated telephone terminal, the connection between the designated telephone terminal and the outside line can be established without executing the process for changing the communication channel. Further, since there is no telephone number indicating an incoming call to a plurality of telephone terminals, there is no need to set a priority or the like when performing an automatic response to the incoming call.

In the above description, a request for registration is accepted only when the telephone number for which registration has been requested is not registered, but substantially the same result is obtained. Any processing form may be used as long as it can be obtained. For example, after once accepting a telephone number registration request unconditionally, it is checked whether the requested telephone number has already been registered. If the telephone number has already been registered, the registration is prohibited again and an error etc. May be displayed.

[0053] In addition, the master unit 10 may be configured to be able to register as a designated telephone terminal on the call, similarly to the slave units 20 and 30 and the like. Alternatively, base unit 10 may perform an incoming call unconditionally and perform incoming control based on the above-described registration information of the designated telephone terminal when base unit 10 does not respond in a predetermined time. Further, the present invention is not limited to a telephone system using a cordless telephone having a plurality of slave units, but may be a system in which an external line is connected to another telephone terminal using a simple exchange device. Machine).

[0054]

As described above, according to the present invention, it is possible to provide a telephone system in which the function and operation of the designated telephone terminal at the time of receiving the number notification are clear, and the setting and operation are clear.

[Brief description of the drawings]

FIG. 1 is a block diagram schematically showing a configuration of a telephone system according to an embodiment of the present invention.

FIG. 2 is a diagram schematically showing registration information recorded in a RAM.

FIG. 3 is a flowchart illustrating a number registration process.

FIG. 4 is a processing sequence for explaining an operation when registering a telephone number in the telephone system.

FIG. 5 is a processing sequence for explaining an operation when called from a partner terminal having a registered telephone number in the telephone system.

FIG. 6 is a processing sequence for explaining an operation when called from a partner terminal of a registered telephone number in a conventional telephone system.

FIG. 7 is a processing sequence for explaining an operation of registering a telephone number in a conventional telephone system.

[Explanation of symbols]

 Reference Signs List 10 base unit (telephone terminal) 11 line interface circuit 12 communication path processing circuit 13 memory 13a RAM (random access memory) 14 key 15 speaker 16 microphone 17 RF (high frequency) module 18 ringer speaker 19 CPU (central processing unit) 19a exclusive registration Processing unit 19b Incoming call control unit 20, 30 Remote unit 21, 31 Key 22, 32 Speaker 23, 33 Microphone 24, 34 RF (high frequency) module 25, 35 Ringer speaker 26, 36 CPU (Central processing unit)

Claims (11)

[Claims] 1. A telephone system comprising a plurality of telephone terminals connected to a common line, wherein a registration indicating a correspondence between a telephone number of a called terminal to be called and any one of the plurality of telephone terminals. Registration information recording means for recording information; creating registration information exclusively associated with a telephone number of a partner terminal using only one of the plurality of telephone terminals as a designated telephone terminal; A registration processing means to be recorded by the means, and a telephone number of the plurality of telephone terminals associated with the telephone number of the called terminal in the registration information recorded in the registration information recording means when the number notification is received. A telephone system comprising: an incoming call control unit that allows only an external line to be connected. 2. The incoming call control means, when receiving a number notification,
A ringtone is output only to a telephone terminal of the plurality of telephone terminals that is associated with the telephone number of the called terminal in the registration information recorded in the registration information recording unit. The telephone system according to claim 1. 3. The incoming call control means, when receiving a number notification,
Of the plurality of telephone terminals, only the one associated with the telephone number of the called terminal in the registration information recorded in the registration information recording means is shifted to a communication channel. The telephone system according to claim 1. 4. The plurality of telephone terminals include one master unit connected to the line, and two or more slave units coupled to the master unit, and the registration processing unit includes the slave unit. The telephone system according to claim 1, 2 or 3, wherein registration information is created by specifying a designated telephone terminal from among the registered telephone terminals. 5. The telephone system according to claim 4, wherein said registration information recording means, said registration processing means, and said incoming call control means are built in said master unit. 6. A cordless telephone management device for performing wireless communication with a plurality of slaves and connecting to a called terminal via a telephone line, wherein the cordless telephone management device includes any one of the plurality of slaves. Registration information recording means for recording registration information indicating correspondence with the telephone number of the other terminal using only the designated terminal as a designated terminal, and upon receiving a telephone number registration request from the slave unit, the telephone number requested for registration is registered A registration processing unit that determines whether or not the registration information is included in the registration information recorded in the information recording unit, and rejects the registration request when it is determined that the registration information is included; When the registration information recorded in the means includes the telephone number of the other party terminal of the caller, there is provided an incoming call control means for responding only to the slave unit associated as the designated terminal. Phone management equipment Place. 7. The incoming call control means, when receiving a number notification,
7. The cordless device according to claim 6, wherein, out of the plurality of slave units, the ring tone is output only to the slave unit associated with the designated terminal in the registration information recorded in the registration information recording unit. 8. Phone management device. 8. The incoming call control means, when receiving a number notification,
8. The mobile terminal according to claim 6, wherein, of the plurality of slaves, only the slave associated with the designated terminal in the registration information recorded in the registration information recording unit is shifted to the communication channel. 9. Cordless phone management device. 9. An incoming call response control method for controlling incoming call responses of a plurality of telephone terminals connected to a common line, wherein only one of the plurality of telephone terminals is designated as a designated telephone terminal. The registration information that is exclusively associated with the telephone number of the other terminal to be called is created and recorded in the memory, and when the number notification arrives, the registration information recorded in the memory among the plurality of telephone terminals The method according to claim 1, wherein only the designated telephone terminal associated with the telephone number of the called terminal is connectable to an outside line. 10. When receiving a number notification, a ring tone is given only to a designated telephone terminal of the plurality of telephone terminals, which is associated with the telephone number of the called terminal in the registration information recorded in the memory. The method according to claim 9, wherein the method is to output. 11. When a number notification is received, only a designated telephone terminal associated with a telephone number of a called party terminal in the registration information recorded in the memory among the plurality of telephone terminals is used as a communication channel. The method according to claim 9 or 10, wherein the method is shifted.