JPH11308362A - Telephone line changeover method by phs, system and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a method and a system by which both voice and data communications are available by a telephone set. SOLUTION: When an external call is received from an external line, while a PHS slave set 14 is in communication by using a channel of a PHS master set 12, the PHS master set 12 detects the external line call and holds the call, gives an instruction of communication interruption to the PHS slave set 14 using the channel of the PHS master set 12. The PHS slave set 14, upon receiving the instruction, interrupts the communication via the PHS master set 12 and re-connects to the interrupted communication destination to restart communication via a PHS base station 18 and the PHS master set 12 connects the external line being held to a other PHS slave set 13 to allow it to make communication. The above method is the proposed telephone line changeover method by PHS.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone line switching method and apparatus using PHS, and more particularly, to a telephone system which enables both voice communication and data communication.

[0002]

2. Description of the Related Art Conventionally, when a telephone line of a general home or the like is shared with a normal telephone and a personal computer communication, if a personal computer performs Internet or personal computer communication, when a telephone call is received from another, You may be busy or your computer may stop communicating.

[0003] In addition, there is an inconvenience in that voice communication by telephone cannot be performed during personal computer communication and the Internet. By using a line such as ISDN, voice communication and data communication can be performed simultaneously.

[0004] Further, in the "wireless communication device" described in Japanese Patent Application Laid-Open No. 8-149559, when the radio wave of the cordless telephone handset becomes weak, the wireless line is prevented from being suddenly disconnected by the base unit. An apparatus is disclosed that includes a transmitting unit that transmits a warning signal when a wireless signal is not received, and a stopping unit that stops transmitting a wireless signal after transmitting the warning signal.

Further, Japanese Patent Application Laid-Open No. 5-75745 discloses that
As a "data communication multiplexing device for telephone", there is disclosed a device which detects a non-voice state of a speaker who is talking on a telephone and flexibly time-divides and transmits voice and data.

Japanese Unexamined Patent Publication No. Hei 6-338962 discloses a "cordless telephone system" in which a master unit switches between voice communication and various data communications in accordance with peripheral devices connected to a slave unit. A cordless telephone system that can be used ”(paragraph number 0011) is disclosed.

Further, Japanese Patent Application Laid-Open No. 8-08201 discloses an apparatus as a "telephone", which switches the connection to data communication when no sound is detected, and performs voice communication when there is sound.

[0008]

Conventionally, when a telephone line of a general household or the like is shared with a normal telephone through a personal computer communication or the like, if the Internet or the personal computer communication is performed by the personal computer, a call is received from another. When it comes, there is a problem that it becomes busy or the PC communication stops.

In addition, there is an inconvenience that voice communication by telephone cannot be performed while performing personal computer communication or the Internet. Although it is possible to simultaneously perform voice communication and data communication by using a line such as ISDN, it is an object of the present invention to devise a method of performing voice and data communication using a different method.

A similar problem exists not only during data communication but also during normal conversation.

[0011] Further, the technology disclosed in the above-mentioned conventional gazette does not disclose a technology in which a PHS is used to bypass to an external radio line.

[Object of the Invention] An object of the present invention is to solve the inconvenience that voice communication by telephone cannot be performed during personal computer communication or the Internet.
In particular, it is an object of the present invention to realize a method and an apparatus that can use voice and data communication together by a method different from a method of simultaneously performing voice communication and data communication by using a line such as ISDN.

It is another object of the present invention to realize a method and an apparatus capable of not only using voice and data communication but also using data communication and data communication and using voice and voice.

[0014]

According to the present invention, as a means for solving the above-mentioned problems, a telephone line connected P
In a telephone system including an HS master unit and a plurality of PHS slave units, if an external line comes in while the PHS slave unit is performing communication using the line of the PHS master unit, the PHS master unit connects the external line to the outside line. Detects and puts it on hold, issues a command to suspend communication to the PHS slave that is using the line of the PHS master,
When the PHS slave receives the instruction to suspend, the PHS slave
Suspend communication via the S master, switch to public mode,
The PHS base station reconnects to the interrupted communication destination and resumes communication via the PHS base station, and the PHS master unit connects the held external line to another PHS slave unit to enable communication. The telephone line switching method by the PHS is provided.

The communication is a data communication.
It is also a telephone line switching method by HS.

When a certain child device uses the line of the parent device, the parent device controls the other child device to switch to the public mode by using a control channel, and the other child device controls the other child device. When a call is transmitted, the call is transmitted in the public mode, and when the communication via the master of a certain slave is completed, the master switches again to the other slave via the control channel to switch modes. The other handset switches to a cordless phone handset mode, which is also a telephone line switching method by PHS.

Also, in a telephone system including a PHS base unit to which a telephone line is connected and a plurality of PHS slave units, when the PHS base unit receives an external line while the PHS slave unit is using a line, Means for detecting the incoming call to the outside line and putting the outside line on hold;
Means for transmitting a command to the slave to interrupt communication,
When the HS slave receives the command, the communication via the PHS master is interrupted, the mode is switched to the public mode, and the
Means for reconnecting via the S base station and resuming communication;
Means for connecting the reserved external line to another PHS slave unit by the PHS master unit.

When a slave unit is using an outside line via the PHS master unit, the PHS master unit recognizes, using the control channel, that the master unit is using the other slave unit. Means for making a call, and when making a call from another handset while the PHS base station is being used, the PHS handset performs mode switching in the public mode so as to make a call via the PHS base station. And a telephone line switching apparatus based on PHS.

[0019] The present invention also provides a recording medium storing a computer program describing the above method.

[Operation] According to the present invention, by using a master unit having a PHS function and a plurality of slave units as a cordless telephone for home use, a child of a cordless telephone can be used without changing an existing indoor telephone line. By switching from the handset to the PHS, voice communication and data communication can be used together.

Further, not only voice communication and data communication but also voice communication and voice communication and data communication and data communication can be used together.

Further, since various communication devices such as a facsimile and a personal computer can be connected to a plurality of slaves, wiring and the like are simplified.

The PHS handset communicates as a PHS with the handset as a PHS, not as a PHS, but as a cordless telephone handset, in a public mode in which the handset communicates through the PHS base station without passing through the base unit. There are two modes.

In the system of the present invention, the PHS handset is usually used as a cordless phone handset.
Cordless phone handset mode is set.

[Calling from Other Handset While Cordless Phone Handset Is Communicating] A certain handset serves as a cordless phone handset.
If you are calling from another handset while using the line,
The mode is switched from the cordless telephone handset mode to the public mode, and the other handset can talk.

This is because when a certain child device uses the parent device, the parent device controls another child device to switch to the public mode using the control channel.

When the communication via the master unit is completed, the master unit again issues a mode switching instruction through the control channel, and the slave unit switches to the cordless telephone slave unit mode.

[While the cordless telephone handset is performing data communication,
Incoming call from outside line] In addition, when a certain handset is performing data transmission such as personal computer communication via the base unit in the cordless phone handset mode, if a call is received from the outside to the cordless telephone base unit, The master unit temporarily suspends the incoming external line, suspends the data transfer to the slave unit performing data transmission, and switches from the cordless telephone slave unit mode to the public mode by the control channel.
The slave unit performs data transmission such as personal computer communication again via the PHS base station in the public mode.

The master unit switches the unused slave unit to the cordless telephone slave unit mode, connects the held outside line, and enables a call.

[Outline incoming while the cordless telephone handset is in a call] Also, when a certain handset is in the cordless phone handset mode,
If a call is received from the outside to the cordless telephone base unit during a call via the base unit, the base unit temporarily puts the incoming line on hold and calls the slave unit during the call. The mode is stopped, and the mode is switched from the cordless telephone handset mode to the public mode by the control channel. The slave unit again performs a call in the public mode via the PHS base station.

The master unit switches an unused slave unit to the cordless telephone slave unit mode, connects the held outside line, and enables a call.

[0032]

[Embodiment 1] [Description of Configuration] FIG. 1 shows the overall configuration of this embodiment.
As shown in FIG. 1, a PHS base unit 12 is connected to a front end 11 of a subscriber line from a telephone station located indoors. The PHS master unit 12 can connect a plurality of slave units. In the embodiment of FIG. 1, three PHS slaves 13 to 15 are used.
In addition, a personal computer (P
C) Communication devices such as PC 16 and FAX 17 can be connected, and data communication can be performed using a telephone line. When the PHS handset is used as a PHS, not as a handset of a cordless telephone, the communication is performed by the PH.
S base station 18.

FIG. 2 is a block diagram showing the internal structure of the PHS master and the slave according to the present invention.

In FIG. 2, the control unit 2 of the PHS base unit 12
Reference numeral 7 denotes a means for detecting an incoming call to an external line and putting the external line into a hold state when the PHS handset receives an outside line while the line is in use, and suspending communication with the PHS handset while the line is in use. Means for transmitting the communication interruption command, means for connecting the reserved external line to another PHS slave, and when one slave uses an external line via the PHS master 12, the other slave Means for transmitting, via a control channel, a public mode switching signal for recognizing that the base unit is in use;
Means for transmitting a cordless telephone handset mode switching signal for switching the mode of the handset to the cordless telephone handset mode when communication of a certain handset via the line of the base unit is completed.

When the control unit 25 of the PHS slave 14 receives a communication interruption signal from the master while using the line of the master,
The communication via the PHS base unit 12 is terminated, and under the control of the control unit 25, the public mode 22
And means for reconnecting to the communication destination via the PHS base station 18 and resuming communication, and means for switching to the public mode 22 by the mode switching unit 24 when a public mode switching signal is received, Means for switching to the cordless telephone handset mode 23 by the mode switching unit 24 when the cordless telephone handset mode switching signal is received.

While the PHS master unit 12 is being used by a certain slave unit, when making a call from another slave unit, the PHS
The S slave switches to make a call via the PHS base station 18.

Further, such means can be realized by a control program stored in a ROM.

[Explanation of Operation] The operation of this embodiment will be described below with reference to the flowchart of FIG.

The PHS slave 14 is connected to the PC 16. Here, suppose that it is desired to start data transmission by personal computer communication or the like using the PC 16. It is assumed that no other slave units are used. The PC 16 makes a call from the PHS slave 14 via the PHS master 12 via an extension and starts data transmission such as personal computer communication (S32).

At this time, if a call is received from the outside (S33), the line is normally in use and the outside call is busy.

When the PHS base unit 12 detects that a call is received from outside, the PHS base unit 12 puts an external line on hold and issues a command to the PHS slave unit 14 to interrupt data communication.

Then, the PHS slave 14 is connected to the PHS master 1
2 and not through the PHS base station 18 as a PHS, and take steps to restart data transmission (S40).

PHS base unit 12 sets the held outside line to P
It connects to a handset other than the HS handset 14, here, the PHS handset 13, to enable communication (S36).

When a slave unit is using an outside line via the PHS master unit 12, the PHS master unit 12 uses the control channel to notify the other slave units that the master unit is in use. Make them recognize.

When a call is made from another slave while the PHS master 12 is in use, the PHS slave is set to the PHS
Switching is performed to make a call via the base station 18.

The present invention also relates to a ROM storing a computer control program describing the above-described method of the present invention.
And other recording media.

[0047]

According to the present invention, even when there is only one indoor telephone subscriber line, a cordless telephone base unit / child unit having a PHS function is used, and the child unit side is a cordless telephone. By switching from the handset to the PHS for use, voice communication and data communication can be performed simultaneously.

Further, since the connection between the master unit and the slave unit is wireless, the installation place is less restricted, and the wiring of the equipment connected to the slave unit is simplified.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing the overall configuration of the present invention.

FIG. 2 is an internal configuration diagram of each device according to the first embodiment of the present invention.

FIG. 3 is a flowchart showing a schematic operation of the first embodiment of the present invention.

[Explanation of symbols]

 11 tip of subscriber line 12 PHS master unit 13-15 PHS slave unit 16 Personal computer (PC) PC 17 FAX 18 PHS base station

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[Procedure amendment]

[Submission date] April 23, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

[0014]

According to the present invention, as a means for solving the above-mentioned problems, a telephone line connected P
And HS base unit, in a telephone system comprising a plurality of PHS slave unit, when the PHS slave unit, in communication using the line of the PHS master unit, it came takes outside line, the PHS
The master unit detects that the external line came hanging on to hold, with respect to the PHS slave unit in use the line of the PHS master unit issues a suspend command communication, the PHS slave unit Is
When receiving the interrupt instruction to interrupt the communication via the PHS master unit, switch to the public mode, via the PHS base station, to resume communication to reconnect to the destination of interruption, the PHS master unit Changes the held outside line to another PH
P, characterized in that it can be connected to an S slave unit to make a call.
The present invention provides a telephone line switching method using HS.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

Further, there PHS slave unit, when using the circuit of PHS master unit, the PHS master unit, using the control channel, the control to switch to the public mode for the other PHS slave unit and the other PHS slave unit, when originating the call using the public mode, PHS of the certain PHS slave unit
When communication via the base unit is completed, again by the control channel from the PHS master unit, the motor in the other PHS slave unit - indication of de switching is issued, the other PHS slave unit, a cordless telephone handset The method is also a telephone line switching method using PHS, which switches to a mode.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction contents]

[0017] In addition, the PHS parent machine telephone line is connected, in a telephone system and a plurality of PHS slave unit, by the PHS master unit, said PHS slave unit is in line use, it came took the outside line If the outside line comes over
Means for pending the outside line by detecting that the means for transmitting a command to interrupt communication to PHS slave unit in the line usage, by the PHS slave unit, when receiving the instruction the interrupted communication via the PHS master unit, and then re-connected through the PHS base station to switch to the public mode, and resume means communicating, by the PHS master unit, before
Serial some means for connecting the external line which has been held in the other PHS slave unit, by phone line switching apparatus according to PHS, characterized in that it comprises a.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction contents]

[0018] In addition, when a PHS slave machine is in use the outside line through the PHS master unit, the PHS master unit, other PHS
Means for recognizing by using the control channel that the child machine the PHS master unit is in use, while the PHS master unit is used, when making a call from the other PHS slave unit, the The PHS handset operates in PHS mode in public mode.
A telephone line switching device based on PHS, comprising: a mode switching unit that performs mode switching to make a telephone call via a base station.

Claims (6)

[Claims] In a telephone system comprising a PHS base unit to which a telephone line is connected and a plurality of PHS base units, the PHS base unit performs communication during communication using the line of the PHS base unit.
When an outside line arrives, the PHS master unit detects the outside line and puts it on hold,
A command to interrupt communication is issued to the PHS slave unit using the line of the master unit, and the PHS slave unit receives a
Suspend communication via the S master, switch to public mode,
Via the PHS base station, reconnect to the interrupted communication destination and resume communication, and the PHS master unit can connect the held outside line to another PHS slave unit to enable talking. Telephone line switching method by PHS. 2. The method according to claim 1, wherein the communication is a data communication. 3. When a certain child device uses the line of the parent device, the parent device controls the other child device to switch to the public mode by using a control channel, When a call is transmitted, the call is transmitted in the public mode, and when the communication through the master of a certain slave is completed, the master switches again to the other slave via the control channel to issue a mode switching instruction. And the other handset switches to a cordless phone handset mode.
The telephone line switching method by S. 4. In a telephone system comprising a PHS base unit to which a telephone line is connected and a plurality of PHS slave units, when an external line is received by the PHS base unit while the PHS slave unit is using a line. Means for detecting the incoming call to the outside line and putting the outside line into a hold state; means for transmitting a command to the PHS slave device using the line to interrupt communication; and receiving the command by the PHS slave device. In this case, the communication via the PHS master is interrupted, the mode is switched to the public mode, and
A telephone by PHS, comprising: means for reconnecting via an HS base station to resume communication; and means for connecting a reserved external line to another PHS slave by the PHS master. Line switching device. 5. When a certain slave unit is using an external line via the PHS master unit, the PHS master unit recognizes, using the control channel, that the master unit is in use for another slave unit. Means for causing a PHS slave to make a call in a public mode when calling from another slave while the PHS master is being used.
5. The PHS telephone line switching device according to claim 4, further comprising mode switching means for switching a mode so as to make a telephone call via the S base station. 6. A recording medium storing a computer program describing the method according to claim 1. Description: