JPH10108239A - Phs automatic incoming call system an handy portable phone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a personal handy phone(PHS) automatic in coming call system in which a caller to a radio telephone mobile station (PS) can made a phone call to another PS without being consciousness of a telephone line network where the PS exists, and the caller can make a phone call by using both telephone numbers of a PHS network and the NTT public network, and to provide a portable handy phone system using the PHS automatic incoming call system. SOLUTION: The portable handy phone system is provided with a public line network 2, a public line exchange 6, a radio terminal exclusive master set 8, a radio telephone network 1, a radio telephone network exchange 5 interconnected to the public line exchange 6, radio telephone base stations 7, and radio telephone mobile stations 9, 10. The public line network 2 is provided with an HLR 4 that stores information indicating whether or not the mobile stations 9, 10 belong to the public line exchange 6, the radio telephone network 1 is provided with an HLR 3 that stores information indicating whether or not the mobile stations 9, 10 belong to the radio telephone network exchange 5, the radio terminal exclusive master set 8 or the radio telephone base station 7 detects whether or not a radio telephone mobile station is under its control, rewrites incoming call transfer information in the HLRs 3, 4 via its own exchange based on the result of the detection and conducts incoming call transfer based on the incoming call transfer information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple portable telephone system, and more particularly, to a simple portable telephone system and a personal handyphone system (PH).
S) Regarding the automatic incoming call system.

[0002]

2. Description of the Related Art Conventionally, a personal handyphone system (PHS) can be connected to a mobile communication carrier network and an NTT public network. The PHS is a personal station (PS) for sending and receiving calls, and a cell station (CS) of the PHS network for transmitting and receiving radio waves from the PS.
And a PHS network switch and an NTT network switch for controlling the originating and terminating calls to and from the main unit of the NTT network, the CS and the main unit.
Controls outgoing / incoming calls from PS.

[0003] FIG. 4 shows the PH in a conventional PHS system.
FIG. 2 is a diagram showing the relationship between PSs for both the S network and the NTT network. In FIG. 4, the PHS network is connected to the PS5 for making and receiving calls.
1 and a CS connected to the PS 51 via a radio wave signal
7 and a PHS exchange 5 wired to the CS 7.

[0004] On the other hand, the NTT network includes a master unit 8 and an NTT network exchange 6 wired to the master unit. In addition, PH
The S exchange 5 and the NTT network exchange 6 are connected by wire.

[0005] In addition, a PHS
It may be under any network such as a network, a mobile phone network, and an NTT public network.

Here, in the PHS system shown in FIG. 4, when the user goes out of the house with the PS 51,
The user switches the mode of the PS51, synchronizes the frequency with the CS7, and sets the P51 from the PS51 via the CS7.
It requests the HS network exchange 4 for location registration. by this,
The PHS network switch 4 recognizes the user's location and receives a call from the general telephone 6 to the PHS network telephone number (AAA-AAAA) via the CS 7 via the user's PS 51.
, A page signal is transmitted to the PS 51 so as to be received.

When the user returns home with the PS 51, the user switches the mode of the PS 51 to switch to the same frequency as that of the base unit 8. As a result, a telephone call from the general telephone set 52 to the telephone number (BBB-BBBB) of the NTT network is received from the NTT network exchange 6 to the base unit 8. The parent device 8 that has received the call makes a call to the PS 51 and performs an incoming call at the PS 51.

[0008]

However, in the conventional PHS system, when the PS 51 exists under the control of the CS 2, the telephone number of the NTT network (BBB-
BBBB) cannot be received by PS51. Conversely, when the PS 51 is under the control of the base unit 8, the PHS network telephone number (AAA-A
Even if the call is made to AAA), the call cannot be received by PS51.

When the PS 51 is under the control of the master unit 8, the general telephone 52 sends a PHS network telephone number (AAA-A).
(AAA), a useless page signal is sent to the area covered by the CS 7 where the PS 51 lastly exists, and a load is applied to the CS 7 and the PHS exchange 5.

When the PS 51 is under the control of the CS 7, the telephone number 52 (BBB-B
When a call is made to BBB), the parent device 8 and the NTT network exchange 6 perform a useless process of terminating the call even though it is known that the PS 51 does not exist under the parent device 8.

Therefore, one technical problem of the present invention is to provide a PHS automatic call receiving method that enables a caller to a PS to make a call to a PS without being conscious of the telephone network in which the PS exists. An object of the present invention is to provide a wireless telephone system using the same.

Another technical object of the present invention is to provide a PHS
It is an object of the present invention to provide a PHS automatic call receiving system capable of making a call using both telephone numbers of the telephone network and the NTT public network, and a wireless telephone system using the same.

[0013]

According to the present invention, there is provided a public network, a public network exchange connected to the public network, a wireless terminal dedicated master unit connected to the public network exchange, and a wireless telephone network. A wireless signal exchange is performed between a wireless telephone network switch connected to the wireless telephone network, a wireless telephone base station connected to the wireless telephone network switch, and the wireless telephone base station and the wireless terminal dedicated base unit. And a wireless telephone mobile station, wherein the wireless telephone network exchange is connected to the public network exchange. The public network is connected to the public network exchange, and the wireless telephone mobile station is connected to the public telephone exchange. Comprises a public network home location register for storing call forwarding information based on whether or not the wireless telephone network belongs to the public network switch, wherein the wireless telephone network is connected to the wireless telephone network switch, and A wireless telephone network line home location register for storing call transfer information based on whether or not the mobile station belongs to the wireless telephone network exchange, wherein the wireless terminal dedicated base station or the wireless telephone base station includes the wireless telephone mobile station; Is detected under the control of its own, and the result of the detection is written or rewritten to the call transfer information of the public network home location register and the radio telephone network home location register via the exchange to which it belongs, and The PSTN exchange and the wireless telephone network exchange perform a call transfer based on the call transfer information.

Further, according to the present invention, in the portable cellular phone system, the wireless terminal-dedicated master unit notifies the PSTN exchange of the incoming call transfer information, and the PSTN home location register and the wireless telephone. A simple portable telephone system characterized by writing or rewriting incoming call transfer information in a network home location register is obtained.

Further, according to the present invention, in the simplified portable telephone system, when the wireless terminal-dedicated master detects that the wireless telephone mobile station belongs to the public network,
A call transfer release request is notified to the PSTN exchange, a call transfer release process of the PSTN home location register is performed, and a call transfer request is issued to the wireless telephone network switch. When the wireless terminal mobile station detects that the wireless telephone mobile station has been disconnected from the public network, the wireless terminal-dedicated master unit notifies the public network exchange of a call transfer request to the wireless telephone network. In response to the notification, the PSTN exchange performs a process of setting call forwarding information to the PSTN home location register and a call forwarding release request to the PSTN, and releases the call forwarding release. Upon receiving the request, the wireless telephone network exchange performs processing for canceling call forwarding of the wireless telephone network home location register. Simple mobile phone system is obtained which is characterized.

Further, according to the present invention, the public network connected to the public network exchange and the wireless terminal-dedicated parent device, the public network connected to the wireless telephone network exchange and the wireless telephone base station, and the public network exchange connected to each other. Automatic PHS call receiving system in a simple portable telephone system including a connected wireless telephone network and a wireless telephone mobile station that transmits and receives wireless signals between the wireless telephone base station and the wireless terminal-dedicated parent device. At
The PSTN stores call forwarding information based on whether the wireless telephone mobile station is under the control of the PSTN exchange, and the wireless telephone network establishes a connection between the wireless telephone mobile station and the wireless telephone network switch. Call forwarding information based on whether or not the wireless telephone mobile station belongs to the base station is stored, and the wireless terminal dedicated base station or the wireless telephone base station detects whether or not the wireless telephone mobile station belongs to its own. A PHS automatic call receiving method is provided, wherein the detection result is written or rewritten through the exchange to which the user belongs, and the call is transferred based on the call transfer information.

Further, according to the present invention, in the PHS automatic call termination system, the wireless terminal-dedicated master unit notifies the PSTN exchange of the call transfer information and writes or rewrites the information. The incoming method is obtained.

Further, according to the present invention, in the PHS automatic incoming call system, when the wireless terminal-dedicated master detects that the wireless telephone mobile station belongs to the public network, the master of the wireless network is switched to the public network exchange. Notify the call transfer release request,
On the other hand, when detecting that the wireless telephone mobile station has been disconnected from the public network, the wireless terminal-dedicated master unit notifies the public network exchange of a call transfer request to the wireless circuit network. The PSTN exchange performs a process of setting call forwarding information to the wireless telephone network, and issues a call forwarding release request to the wireless telephone exchange, and the wireless telephone network exchange responds based on the call forwarding cancellation request. ,
A PHS automatic incoming call system characterized by performing a call transfer canceling process.

[0019]

Embodiments of the present invention will be described below.

FIG. 1 is a block diagram showing a PHS system configuration according to an embodiment of the present invention. Referring to FIG. 1, the PHS stores a home location register (Home Location Register, H
LR) 3, a PHS exchange 5 that writes call forwarding information in the HLR 3 and performs call forwarding based on the call forwarding information, a base station (CS) 7, and an HLR 4 that stores call forwarding information of the NTT public network 2. An NTT exchange 6 that writes call transfer information of the HLR 4 and performs call transfer based on the call transfer information, a home base unit 8 (hereinafter simply referred to as a base unit), and a mobile station (PS) 9 that is a PHS terminal. , 10 are provided.

As shown in FIG. 1, the PS 10 moves between the PHS network 1 and the NTT public network 2 so that the higher-order exchanges are switched from the PHS exchange 5 in the PHS network 1 to the NTT exchange in the NTT public network 2. It always changes like 6.

At this time, the base unit 8 detects whether the PS 10 is under its own network (for example, the NTT public network 2) or not, notifies the higher-level NTT exchange 6, and notifies the HLR 3 of each network.
Rewrite the information of HLR4. Thus, when calling from PS9 to PS10, the telephone number of PHS network 1
The connection to the PS 10 is made by dialing one of the telephone numbers without being aware of the telephone number of the NTT public network 2.

The operation of the PHS system shown in FIG. 1 will be described with reference to FIGS. 2 and 3. FIG. 2 is an operation sequence diagram of the master unit of FIG. 1 when PS detection fails, and FIG. 3 is an operation sequence diagram of the master unit of FIG. 1 at the time of PS detection.

As shown in FIG. 2, when the master unit 8 detects that the PS 10 is to be connected to its own network, the master unit 8
Automatically requests the NTT exchange 6 to cancel the call transfer.
Notify 1. Upon receiving this, the NTT exchange 6 performs the call transfer release processing 12 on its own HLR 4, and
A call transfer request 13 is made to the PHS exchange 5. Upon receiving this, the PHS exchange 5 performs the process of setting the call transfer information 14 to the NTT public network 2 for its own HLR 3.

Further, as shown in FIG.
When it detects that 0 has been disconnected from its own network,
Automatically notifies the NTT exchange 6 of a call transfer request 15 to the PHS network 1. Upon receiving this, the NTT exchange 6 performs the processing of the call forwarding information setting 16 to the PHS network for its own HLR 4 and requests the PHS exchange 5 to cancel the call forwarding request 17. Upon receiving this, the PHS exchange 5 performs a call transfer release 18 process on its own HLR 3.

More specifically, an example of using the system according to the embodiment of the present invention will be described focusing on a PS. In this system, when making a call from outside the home, the PS switch is changed to the terminal attribute of the PHS network 1 and the PHS
By calling the CS 7 using the telephone number of the business network, the PHS exchange 5 connects to the telephone of the other party.

Also, when making a call from home, the PS
Is changed to the terminal attribute of the NTT public network 2 and a call is made to the base unit 8 with the telephone number of the NTT operator network, whereby the NTT exchange 6 connects to the destination telephone.

The parent machine 8 monitors the presence of the PS to determine the telephone network to which the PS belongs, notifies the higher-level NTT exchange, and reserves a call transfer between the operators. by this,
A caller to a PS can make a call and make a call connection without being conscious of the network where the PS exists.

Therefore, if the caller for the PS knows one of the two telephone numbers, the call can be connected regardless of whether the PS exists inside or outside the house.

Further, according to the embodiment of the present invention, even a PS (for example, PS10) located in a home under the NTT public network 2 can receive a call received by the PHS network 1 by the PS. . Further, even if the PS is outside the home under the PHS network 1 (for example, PS9), a call received by the NTT public network 2 can be received by the PS9.

That is, in the embodiment of the present invention, the home base unit 8 determines whether or not the PS exists within the range of its own radio wave, and determines the determination result as the NTT public network 2 and the PHS network 1. By making a call transfer notification to both networks, each of the networks 1 and 2 is made to recognize the network in which the PS exists. Thus, in the conventional transmission to the PS, the caller has been transmitting to the PS conscious of the location of the PS. However, according to the embodiment of the present invention, the PHS network and the NTT network are unaware. You can make outgoing calls with either.

[0032]

As described above, according to the present invention, two telephone numbers of the PHS network and the NTT public network in the PHS are used. And a wireless telephone system using the same.

Further, according to the present invention, it is possible to provide a PHS automatic call receiving system capable of reducing waste processing in each device when a call cannot be received in the PHS, and a wireless telephone system using the same.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a PHS according to an embodiment of the present invention.

FIG. 2 is an operation sequence diagram when the PS detection of the master unit in FIG. 1 fails.

FIG. 3 is an operation sequence diagram of the master unit shown in FIG. 1 when a PS is detected.

FIG. 4 is a system configuration diagram showing a relationship between PSs for both a PHS network and an NTT network in a conventional PHS.

[Explanation of symbols]

 1 PHS network 2 NTT public network 3, 4 HLR 5 PHS network switch 6 NTT network switch 7 CS 8 master unit 9, 10 PS 11 Call transfer release request 12 Call transfer release 13 Call transfer request 14 Call transfer information setting 15 PHS network Transfer request 16 Call transfer information setting 17 Call transfer request release 18 Call transfer release 51 PS 52 General telephone

Claims (6)

[Claims] 1. A public network, a public network exchange connected to the public network, a wireless terminal-dedicated parent device connected to the public network exchange, a wireless telephone network and a wireless telephone connected to the wireless telephone network A network switch, a radio telephone base station connected to the radio telephone network switch, and a radio telephone mobile station for transmitting and receiving radio signals between the radio telephone base station and the radio terminal-dedicated master. In a simplified portable telephone system in which a radio telephone network exchange and the public network exchange are interconnected, the public network is connected to the public network exchange, and the radio telephone mobile station belongs to a subordinate of the public network exchange. A wireless telephone network connected to the wireless telephone network switch, wherein the mobile telephone station belongs to the wireless telephone network switch; A wireless telephone network line home location register for storing call transfer information based on whether the wireless telephone mobile station is under the control of the wireless telephone mobile station. Detected and the result of the detection via the exchange to which it belongs,
The call forwarding information in the PSTN home location register and the wireless telephone network home location register is written or rewritten, and the PSTN switch and the wireless telephone network switch perform call forwarding based on the call forwarding information. A simple mobile phone system. 2. The simplified portable telephone system according to claim 1, wherein the wireless terminal-dedicated master unit notifies the PSTN exchange of the incoming call transfer information, and the PSTN home location register and the wireless telephone network home. A simple mobile phone system characterized by writing or rewriting incoming call transfer information in a location register. 3. The simplified portable telephone system according to claim 2, wherein the wireless terminal-dedicated master unit sends a call transfer release request to the public network exchange when detecting that the wireless telephone mobile station belongs to the public network. And performs a call transfer release process of the public network home location register, and issues a call transfer request to the wireless telephone network exchange. In response to the request, the wireless telephone exchange performs a call transfer process, and When detecting that the wireless telephone mobile station has been disconnected from the public network, the mobile telephone notifies the public network exchange of a call transfer request to the wireless telephone network. A process of setting call forwarding information to the wireless telephone network is performed in a public network home location register, and a call forwarding solution is transmitted to the wireless telephone network exchange. A mobile phone network switching system that performs a call transfer cancellation request based on the call transfer cancellation request, and wherein the wireless telephone network exchange performs a call transfer cancellation process of the wireless telephone network home location register. 4. A public telephone network connected to a public network exchange and a radio terminal-dedicated parent device, and a radio telephone connected to the radio telephone network exchange and a radio telephone base station and interconnected to the public network exchange. In a PHS automatic call receiving system in a simple portable telephone system comprising a network and a wireless telephone mobile station for transmitting and receiving a wireless signal between each of the wireless telephone base station and the wireless terminal master unit, Stores call forwarding information based on whether the wireless telephone mobile station is under the control of the PSTN exchange, and the wireless telephone network is provided when the wireless telephone mobile station is under the control of the wireless telephone network switch. And stores call forwarding information based on the presence or absence of the wireless terminal base station or the wireless telephone base station.
The wireless telephone mobile station detects whether or not it belongs to its own subordinate. The result of the detection is rewritten through the exchange to which it belongs, and the call transfer information is rewritten, and the call transfer is performed based on the call transfer information. P characterized by performing
HS automatic incoming call system. 5. The PHS automatic call receiving system according to claim 4, wherein said wireless terminal-dedicated master unit notifies said PSTN exchange of said call transfer information and writes or rewrites said information. . 6. The PHS automatic call receiving system according to claim 5, wherein the wireless terminal-dedicated master unit transfers the incoming call to the PSTN exchange when detecting that the wireless telephone mobile station belongs to the PSTN. When the wireless terminal mobile station detects that the wireless telephone mobile station has been disconnected from the public network, the wireless terminal master unit notifies the public network exchange of a call transfer request to the wireless network. In response to this notification, the PSTN exchange performs a process of setting call forwarding information to the wireless telephone network and issues a call forwarding release request to the wireless telephone exchange. A PHS automatic call receiving method, wherein a call transfer release process is performed based on a transfer release request.