JPH1098768A - Telephone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the telephone device which eliminates the need for a modem when ISDN and PHS are both used. SOLUTION: This device is equipped with a digital line terminating device 1 which separates an information channel from an ISDN line, a digital ratio unit 6 which sends a speech signal to a PHS telephone set by radio and detects a call from a PHS telephone set, a signal processing part (terminal adapter 2, line control circuit 3, speech processing circuit 4, and data processing circuit 5) which mutually converts a speech signal for the information channel of ISDN and a speech signal for PHS so as to connect the terminating device 1 to the unit 6, and a control part 8 which connects the information channel of the terminating device 1 and the unit to each other so as to send a speech signal through the signal processing part when receiving the call from the unit 6 and when receiving a signal indicating termination from the signal processing part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device using both ISDN (Integrated Services Digital Network) and PHS (Personal Handy Phone System).

[0002]

2. Description of the Related Art If an ISDN line is used as a telephone line, high-speed data transmission can be performed. Further, if a PHS telephone is used as the telephone terminal, the call function can be expanded. Such ISDN and PHS
Are disclosed in Japanese Patent Application Laid-Open Nos. 3-52364 and 7-2.
No. 03067.

[0003] Because of the advantages of ISDN and PHS, some users of ISDN and PHS use both.

[0004]

When ISDN is used, high-speed data transmission is enabled. But,
Since the terminal is connected to the ISDN telephone network by wire, the use range of the terminal is limited. On the other hand, when PHS is used, wireless data transmission is enabled. But P
When connecting a base station for HS to a telephone network, a modem for connecting the base station and the telephone network is required. As a result, the data transmission speed is limited by the modem, and data cannot be transmitted at high speed. The use of a modem, for example, reduces the data transmission rate to 9600 [bps].

An object of the present invention is to provide a telephone apparatus which eliminates such a drawback and can eliminate the need for a modem when using both ISDN and PHS.

[0006]

To achieve the above object, according to the present invention, a line termination unit for separating an information channel from an ISDN line and a signal indicating an incoming call from the ISDN line are transmitted to a PHS telephone by radio. , And then transmits and receives voice signals to and from this telephone, detects a wireless call from the PHS telephone, and then transmits and receives voice signals to and from this telephone. And a signal processing unit for mutually converting an ISDN information channel audio signal and a PHS audio signal, in order to detect an incoming call from the terminal and connect the line termination unit and the PHS base station unit, When a signal indicating an outgoing call is received from the PHS base station unit, and a signal indicating an incoming call is received from the signal processing unit, a signal is transmitted to transmit a voice signal via the signal processing unit. And a control unit for connecting the end of the information channel and the PHS for base station section.

According to the first aspect of the present invention, when there is an incoming call on the ISDN line, the signal processing unit detects the incoming call from the information channel of the line termination unit. The control unit, upon receiving the signal indicating the incoming from the signal processing unit, sets the information channel of the line termination unit to P
Connect to HS base station. The signal processing unit converts the voice signal for the ISDN information channel received from the line terminating unit into a signal for PHS, sends the signal to the base station for PHS, and performs the reverse process. Thus, the audio signal is transmitted between the ISDN line and the PHS telephone via the signal processing unit.

Also, when a call is made from a PHS telephone, P
The HS base station detects a call from the PHS telephone. When receiving the signal indicating the call from the PHS base station unit, the control unit connects the information channel of the line termination unit to the PHS base station unit. The signal processing unit converts the voice signal for the ISDN information channel received from the line termination unit into a PH signal.
The data is converted to S and sent to the PHS base station, and the reverse process is performed. Thus, the audio signal is transmitted between the PHS telephone and the ISDN line via the signal processing unit.

According to a second aspect of the present invention, there is provided a line terminator for separating an information channel from an ISDN line, and after transmitting a signal indicating an incoming call from the ISDN line to a PHS data terminal by radio, transmitting / receiving data to / from the data terminal. And PHS
After detecting a wireless call from the data terminal, the PHS base station for transmitting and receiving data to and from the data terminal, and detecting an incoming call from the information channel of the line terminal, and receiving the information received from the line terminal. The data for the channel,
A signal processing unit that converts the data for PHS to the PHS base station, and converts the PHS data received from the PHS base station for the information channel to send to the line termination unit;
When a signal indicating a call is received from the HS base station,
And a control unit for connecting the information channel of the line termination unit and the PHS base station unit to transmit a data signal via the signal processing unit when a signal indicating an incoming call is received from the signal processing unit.

According to the second aspect of the present invention, when there is an incoming call on the ISDN line, the signal processing unit detects the incoming call from the information channel of the line termination unit. The control unit, upon receiving the signal indicating the incoming from the signal processing unit, sets the information channel of the line termination unit to P
Connect to HS base station. The signal processing unit converts the data signal for the ISDN information channel received from the line terminating unit into a signal for PHS and sends it to the base station for PHS,
The reverse process is performed. Thus, the data signal is transmitted between the ISDN line and the PHS data terminal via the signal processing unit.

[0011] Further, in response to a call from the PHS data terminal, the PHS base station detects a call from the PHS data terminal. When the control unit receives a signal indicating a call from the PHS base station unit, the control unit sets the information channel of the line termination unit to the PH.
Connect to S base station. The signal processing unit converts the data signal for the ISDN information channel received from the line terminating unit into a signal for PHS and sends it to the base station for PHS, and performs the reverse process. Thus, the data signal is transmitted between the PHS data terminal and the ISDN line via the signal processing unit.

[0012]

Next, an embodiment of the present invention will be described.
This will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. The telephone apparatus of FIG. 1 has a digital line termination unit (DSU) 1, a terminal adapter (TA) 2, a line control circuit 3, a voice processing circuit 4, a data processing circuit 5 as a line termination unit, and a digital radio as a PHS base station unit. A unit 6, an antenna 7, and a control circuit 8 are provided. In this embodiment, the signal processing unit includes a terminal adapter 2, a line control circuit 3, an audio processing circuit 4, and a data processing circuit 5.

As shown in FIG. 2, the digital line terminating device 1 is an ISDN line (hereinafter referred to as an ISDN line).
It is connected to 101. The digital line termination device 1
The two B channels (information channels) of the ISDN line 101 are separated. Each B channel is a line for transmitting a signal at a speed of 64 [Kbps].

The terminal adapter 2 detects an incoming call from the B channel separated by the digital line terminal 1, and sends the detection result to the control circuit 8.

The terminal adapter 2 receives the incoming call B
A 64 Kbps audio signal or digital signal is extracted from the channel. Then, the terminal adapter 2 sends an audio signal to the audio processing circuit 4 under the control of the control circuit 8,
The data signal is sent to the data processing circuit 5.

The terminal adapter 2 has a voice processing circuit 4
When the signal of 64 [Kbps] is transmitted from the data processing circuit 5, the audio processing circuit 4 and the data processing circuit 5 are connected to the B channel under the control of the control circuit 8.

The line control circuit 3 controls connection of the terminal adapter 2 under the control of the control circuit 8. That is,
The line control circuit 3 controls the third layer (layer 3) of the communication protocol by setting and releasing a call.

The audio processing circuit 4 includes a terminal adapter 2
The processing of converting the audio signal of 64 [Kbps] from the audio signal to 32 [Kbps] and sending it to the digital wireless unit 6 and the reverse processing are performed. 64 [Kbps] signal is on ISDN line 10
One is for the B channel, and 32 [Kbps] is for the PHS.

The data processing circuit 5 converts a 64 [Kbps] data signal from the terminal adapter 2 to 32 [Kbps] and sends it to the digital radio unit 6, and performs the reverse process.

The digital radio unit 6 operates as a PHS radio base station together with the antenna 7, and handles a 32 [Kbps] signal during operation.

Digital radio unit 6 transmits signals to and from PHS telephone 111 (FIG. 2). PHS telephone 111
Has been established by the Radio System Development Center (RCR),
It is made in accordance with the PHS standard.

Digital radio unit 6 detects a call from PHS telephone 111, PHS mobile portable terminal 112 and PHS data terminal 113, and sends the detection result to control circuit 8.

When the digital radio unit 6 receives the audio signal of 32 [Kbps] from the audio processing circuit 4, it converts this audio signal into a radio signal for PHS. Then, the digital wireless unit 6 transmits the wireless signal from the antenna 7 as a radio wave. In addition, the digital wireless unit 6 sends 32 [Kbps] from the PHS telephone 111 via the antenna 7.
s], the audio signal is sent to the audio processing circuit 4.

The digital radio unit 6 has a PHS
It transmits data to and from the mobile portable terminal 112 (FIG. 2). PH
The S-mobile terminal 112, like the PHS telephone 111, is made in accordance with the PHS standard established by the Radio System Development Center. Data is input to the PHS mobile terminal 112 by a user operation. Then, the PHS mobile portable terminal 112 wirelessly transmits the input data, if necessary, and receives the wirelessly transmitted data. Further, the PHS mobile portable terminal 112 displays data to be transmitted and received.

When the digital radio unit 6 receives a data signal of 32 [Kbps] from the data processing circuit 5, it converts this data signal into a radio signal for PHS. And
The digital wireless unit 6 transmits a wireless signal from the antenna 7 as a radio wave. In addition, the digital wireless unit 6
Is connected to the PHS mobile terminal 112 via the antenna 7.
When a data signal of 32 Kbps is received, the data signal is sent to the data processing circuit 5.

Further, the digital radio unit 6
It transmits data signals to and from the PHS data terminal 113 in the same manner as the S mobile portable terminal 112. PHS data terminal 11
3 is used by being connected to a personal computer 114 or the like. The PHS data terminal 113 wirelessly transmits the data signal in the computer 114 and conversely sends the received data signal to the computer 114.

The control circuit 8 has a CPU (Central Pr
An access unit, a random access memory (RAM), and a read only memory (ROM) are provided to control various types of the telephone device.

The control circuit 8 processes the transmission from the PHS telephone 111 as follows. The control circuit 8 is a PHS
When a signal indicating the calling of the telephone set 111 is received from the digital wireless unit 6, the identification code of the PHS telephone 111 received from the digital wireless unit 6 with the calling,
The identification code is compared with the identification code stored in the RAM in advance. When the two codes match, the control circuit 8 controls the digital wireless unit 6 to form a communication line between the PHS telephone 111 and the digital wireless unit 6. The terminal adapter 2 and the audio processing circuit 4 are controlled to connect the terminal adapter 2 and the digital wireless unit 6.

The control circuit 8 controls the PHS mobile portable terminal 112
The call originating from is processed as follows. The control circuit 8
When the signal indicating the call of the PHS mobile portable terminal 112 is received from the digital wireless unit 6, the PHS mobile portable terminal 1 received from the digital wireless unit 6 with the call is received.
Twelve identification codes are compared with the identification codes stored in the RAM in advance. When the two codes match, the control circuit 8 controls the digital wireless unit 6 to form a communication line between the PHS mobile portable terminal 112 and the digital wireless unit 6. Further, the terminal adapter 2 and the data processing circuit 5 are controlled to connect between the terminal adapter 2 and the digital wireless unit 6.

When the control circuit 8 receives a signal indicating an incoming call from the terminal adapter 2, the digital radio unit 6
And calls the PHS telephone 111. After this,
When a signal indicating a response is received from the digital wireless unit 6, the terminal adapter 2 and the voice processing circuit 4 or the terminal adapter 2 and the data processing circuit 5 are controlled in accordance with the voice signal or the data signal, and the digital line termination device is controlled. 1 and the digital wireless unit 6 are connected.

Next, the operation of this embodiment will be described.

When a user makes a call using the PHS telephone 111, the digital wireless unit 6
11 is detected, and the detection result is sent to the control circuit 8. When receiving a signal indicating a call from the digital wireless unit 6, the control circuit 8 compares the identification code of the PHS telephone 111 received from the digital wireless unit 6 with the identification code stored in advance. When the two codes match, the control circuit 8 controls the digital wireless unit 6 to form a communication line between the PHS telephone 111 and the digital wireless unit 6. Further, the control circuit 8
Controls the terminal adapter 2 and the audio processing circuit 4 to connect between the terminal adapter 2 and the digital wireless unit 6. This enables a call with the PHS telephone 111.

When there is an incoming call from the ISDN line 101,
The terminal adapter 2 sends a signal indicating an incoming call to the control circuit 8. When the control circuit 8 receives this signal, if the signal from the digital line termination device 1 is a voice signal, the control circuit 8 controls the digital radio unit 6 to
Call. Thus, when the PHS telephone 111 responds, the digital wireless unit 6 sends a signal indicating the response to the control circuit 8. When the control circuit 8 receives this signal,
By controlling the terminal adapter 2 and the audio processing circuit 4, the digital line termination device 1 and the digital wireless unit 6 are controlled.
Connect between Further, the control circuit 8 controls the terminal adapter 2 and the audio processing circuit 4 to connect between the terminal adapter 2 and the digital wireless unit 6.
As a result, the PHS
A telephone call of the telephone 111 is enabled.

In this way, when making a call with the PHS telephone 111, a modem can be dispensed with.

When the user transmits data using the PHS mobile portable terminal 112, the digital wireless unit 6
A call from the HS mobile portable terminal 112 is detected, and the detection result is sent to the control circuit 8. When the control circuit 8 receives the signal indicating the call from the digital wireless unit 6, the control circuit 8 thereafter receives the signal indicating the calling from the digital wireless unit 6,
Twelve identification codes are compared with previously stored identification codes. If the two codes match, the control circuit 8
The digital wireless unit 6 is controlled to form a communication line between the PHS mobile portable terminal 112 and the digital wireless unit 6. Further, the digital line terminating device 1 is connected to the digital wireless unit 6 by controlling the terminal adapter 2 and the data processing circuit 5. Further, the control circuit 8 controls the terminal adapter 2 and the data processing circuit 5 to connect between the digital line terminal 1 and the digital wireless unit 6. Thereby, the PHS mobile portable terminal 112 transmits data at 32 [Kbps].

When there is an incoming call from the ISDN line 101,
The terminal adapter 2 sends a signal indicating an incoming call to the control circuit 8. When receiving this signal, the control circuit 8 determines that the signal from the digital line termination device 1 is a data signal.
The digital wireless unit 6 is controlled to call the PHS mobile portable terminal 112. Thereby, when the PHS mobile portable terminal 112 responds, the digital wireless unit 6 sends a signal indicating the response to the control circuit 8. When receiving this signal, the control circuit 8 controls the terminal adapter 2 and the data processing circuit 5 to connect between the digital line termination device 1 and the digital wireless unit 6. Further, the control circuit 8
By controlling the terminal adapter 2 and the data processing circuit 5,
The connection between the digital line termination device 1 and the digital wireless unit 6 is made. As a result, the PHS mobile portable terminal 112 transmits data at a speed of 32 [Kbps] due to the incoming of the ISDN line 101.

Data transmission by the PHS data terminal 113 is the same as data transmission by the PHS mobile terminal 112.

Thus, the PHS mobile portable terminal 11
When data is transmitted by the PHS 2 and the PHS data terminal 113, a modem can be eliminated. Since a modem is not required, the data transmission speed is not limited by the modem. As a result, the PHS mobile portable terminal 112 becomes 32
Data can be transmitted at [Kbps] speed.

[0040]

As described above, according to the first aspect of the present invention, when using both ISDN and PHS,
When transmitting a voice signal from the S telephone, a communication modem can be eliminated.

According to the second aspect of the present invention, the ISDN and the PHS
In the case of using both, when transmitting data from a PHS data terminal, a communication modem is not required, and data can be transmitted at a speed processed by the PHS.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a diagram showing a state of connection to a telephone device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Digital line termination device 2 Terminal adapter 3 Line control circuit 4 Audio processing circuit 5 Data processing circuit 6 Digital wireless unit 7 Antenna 8 Control circuit

Claims (2)

[Claims] 1. A line terminating unit for separating an information channel from an ISDN line, a signal indicating an incoming call from the ISDN line is wirelessly transmitted to a PHS telephone, and a voice signal is transmitted and received to and from the PHS telephone. After detecting a wireless call from the PHS base station for transmitting and receiving voice signals to and from this telephone, and detecting an incoming call from the information channel of the line terminator, the line between the line terminator and the PHS base station is detected. IS to connect
A signal processing unit for mutually converting the voice signal for the information channel of the DN and the voice signal for the PHS; and receiving a signal indicating a call from the base station for the PHS, and indicating an incoming call from the signal processing unit. A telephone device comprising: a control unit that connects an information channel of a line termination unit and a PHS base station unit to transmit a voice signal via a signal processing unit when receiving a signal. 2. A line terminator for separating an information channel from an ISDN line, and a signal indicating an incoming call from the ISDN line is wirelessly transmitted to a PHS data terminal, and thereafter, data is transmitted and received to and from the data terminal. A PHS base station for transmitting / receiving data to / from this data terminal after detecting a wireless call from the data terminal, and detecting an incoming call from the information channel of the line termination, and receiving the information received from the line termination. The data for the channel is
A signal processing unit which converts the data for S to the PHS base station unit and converts the PHS data received from the PHS base station unit for the information channel and sends it to the line termination unit; When a signal indicating a call is received, and when a signal indicating an incoming call is received from a signal processing unit, an information channel of a line termination unit and a PHS base station unit are used to transmit a data signal via the signal processing unit. And a control unit for connecting the telephone.