JPH05103061A - Line wire transfer system for cordless telephone set - Google Patents

Abstract

PURPOSE:To provide the transfer system of the cordless telephone set in which the transfer to a mobile station is not available when no person is resident in the vicinity of the mobile station when a call of a line wire is transferred to the mobile station having a loudspeaking function. CONSTITUTION:In the line wire transfer system for the cordless telephone set having a base station A and a mobile station B capable of hand-free talking, when an extension call is established between the base station A holding a line wire call and the mobile station B being a transfer destination and data entry is operated from the mobile station B, a call of a line wire is transferred to the mobile station B attended with the end of an extension call of the base station A, and when no data entry is implemented on the other hand, the line wire call is held by the mobile station B attended with the end of the extension call of the base station A. Thus, when a person in the vicinity of the mobile station B being the transfer destination makes data entry when the extension talking is established, the line wire call is transferred to the mobile station B and when no data entry is implemented because no person is resident in the vicinity of the mobile station B, the line wire call is not transferred to the mobile station and the holding state is caused.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outside line transfer system for a cordless telephone device having a loudspeaker function, which enables hands-free communication.

[0002]

2. Description of the Related Art A cordless telephone device is provided with a base station (parent device) and a mobile station (child device), and a wireless line is connected between them to connect between the base station and the mobile station or via the base station. A call is made between the mobile station and an outside line (station line).

At the start of communication between the base station and the mobile station of this cordless telephone system, the other station is called by using the "control channel" commonly used in the entire system, and the communication between the base station and the mobile station is performed. After the communication is established between the two, "information data" such as voice is transmitted through the "call channel" designated by the base station from the plurality of wireless channels.

In the conventional cordless telephone device, a device has been developed in which a base station is provided with a transmitter and a receiver, and a mobile station is provided with a speaker for hands-free communication in addition to the transmitter and the receiver. There is.

As shown in FIG. 5, this type of cordless telephone system has a base station A having an outside line connection terminal 1, a call circuit 2 for inputting and outputting signals to and from an outside line, and an antenna as a wireless communication mechanism. 3, wireless reception circuit 4 and wireless transmission circuit 5
A reception data decoding means 6 for decoding the reception data, a transmission data generation means 7 for forming the transmission data, and a control means 8 composed of a microcomputer.
A holding button 9, an extension call button 10, a ten-key button 11 and a hook switch 12, which are control signal input mechanisms, and a receiver 13 and a transmitter 14, which are input / output means for voice signals, are provided.

On the other hand, in the mobile station B, an antenna 23 as a radio communication mechanism, a radio receiving circuit 24 and a radio transmitting circuit 25 are provided.
A reception data decoding means 26 for decoding the reception data, a transmission data generation means 27 for forming the transmission data, and a control means 28 comprising a microcomputer, and
A numeric keypad 31 which is a data input mechanism, a receiver 33 which is a voice signal input / output means, a transmitter 34 and a speaker 35 for hands-free communication, and a speaker as a circuit for a voice terminal.
It includes a loudspeaker receiving circuit 36 of 35 and a transmission gain changing means 37 for adjusting the gain of the transmitter 34.

In this cordless telephone device, when either the base station A or the mobile station B is talking to an outside line, the outside line can be temporarily held and then transferred to the other station. is there.

A conventional transfer method in a cordless telephone device having this type of voice amplification function will be described.

In this cordless telephone device, when the base station A makes an outgoing call to the outside line, the transmitter 14 and the receiver 13 (handset) of the base station A are raised and the outside line number is set on the ten-key pad 11.
When receiving an outside line, a call between the base station A and the outside line is established by an operation such as raising the handsets 13 and 14 when receiving an outside line. When the hold button 9 of the base station A is pushed down in this state, the outside line shifts to the hold state.

With the outside line holding state, the transfer destination mobile station B is called by operating the extension call button 10, and the called mobile station B is called.
The external line is transferred to, but the operation at this time is performed in the order shown in the timing chart of FIG.

Step 1; When the extension call button 10 of the base station A is pressed, step 2; the radio receiving circuit 4 of the base station A determines the control channel free state, and if the control channel is free, wireless transmission is performed. The power of the circuit 5 is turned on, and the connection request data generated by the transmission data generating means 7 is transmitted from the wireless transmission circuit 5 and the antenna 3 to the mobile station B through the control channel.

Step 3; Connection request data is mobile station B
The data is received by the antenna 23 and the radio receiving circuit 24, is decoded by the received data decoding means 26, and is sent to the control means 28.

Step 4; the control means 28 is a wireless transmission circuit
25 is turned on, and step 5: transmission data generation means
The connection request response data generated by 27 is transmitted from the wireless transmission circuit 25 and the antenna 23 through the control channel.

Step 6; when the base station A receives the connection request response data by the antenna 3 and the radio receiving circuit 4, step 7: transmits the call channel designation data to the mobile station B, and step 9: after the transmission, the base station A The power of the wireless transmission circuit 5 in A is turned off, and the channel is switched to the call channel.

Step 8: On the other hand, when the mobile station B receives the call channel designation data, the mobile station B turns off the power of the radio transmission circuit 25 and switches the channel to the designated call channel, and Step 11; the radio reception. The circuit 24 determines whether or not this communication channel is vacant, step 12;
If it is "idle", the power of the wireless transmission circuit 25 is turned on again, and step 13; the call channel response data is transmitted using the call channel.

Step 14: When the base station A receives the call channel response data, Step 15: turns on the power of the wireless transmission circuit 5 again. As a result, base station A and mobile station B
A call channel is set between and.

Step 16: The base station A transmits extension transmission data to the mobile station B.

Step 17: When the mobile station B receives the extension transmission data, the mobile station B transmits the extension automatic response data generated by the transmission data generation means 27 to the base station A,
Mobile station B is in an extension call state.

Step 19: The base station A receives the extension automatic response data from the mobile station B, enters an extension call state in which the outside line is held, and an extension call is established between the base station A and the mobile station B. To do.

Step 20: When the extension call of the base station A is completed by the operation of returning the handsets 13 and 14 of the base station A, the step 21: Outgoing line transfer data is transmitted from the base station A to the mobile station B. Step 22; the mobile station B which received this is automatically set to the outside line communication state in Step 23;

As described above, in the cordless telephone device having the hand-free call function, unlike the cordless telephone device which does not have the function, in response to the extension call from the base station A, the handset is lifted at the mobile station B side. Even if any operation such as the above is not performed, the extension call is established and the extension call is terminated on the base station A side, whereby the outside line is automatically transferred to the mobile station B.

Therefore, the operator of the base station A is
Base station A without checking whether there are any people near
When there is no person on the mobile station B side when the extension call is finished, the outside line is transferred to the mobile station B, and the mobile station B remains in a state of holding the outside line.

[0023]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and when transferring an outside line to a mobile station equipped with a loudspeaker and having a hand-free call function. The purpose of the present invention is to provide a transfer method that prevents transfer to a mobile station when no one is near the mobile station.

[0024]

Therefore, according to the present invention, in an outside line transfer system of a cordless telephone apparatus equipped with a base station and a mobile station capable of hand-free communication, a base station holding an outside line and a transfer destination are held. If the data input operation is performed from the mobile station when the extension call is established with the mobile station, the external line is transferred to the mobile station in accordance with the operation of ending the extension call of the base station. When the data input operation is not performed, the external line is put on hold by the mobile station in accordance with the operation of ending the extension call of the base station.

Further, in the case of transferring an external line from one mobile station to the other mobile station, when an extension call is established between one mobile station that is holding the external line and the other transfer destination mobile station,
If a data input operation is performed from the other mobile station,
If the external line is transferred to the other mobile station in response to the extension end operation of one mobile station and the data input operation is not performed, the external line is held in the other mobile station in accordance with the extension end operation. It is configured to be

[0026]

Therefore, if a person near the transfer destination mobile station makes a data input operation when an extension call is established, the outside line is transferred to the mobile station, while a person near the transfer destination mobile station is transferred. If there is no data input operation, the outside line is not transferred to the mobile station and is put on hold.

[0027]

(First Embodiment) The transfer method shown in the first embodiment is a method for transferring an outside line from the base station A to the mobile station B in the cordless telephone apparatus shown in FIG. Only when the button 31 is operated from the mobile station B that has moved to step S1, the external line transfer to the mobile station B is performed.

In this transfer method, the operation from the step of operating the extension call button 10 of the base station A in which the outside line is put on hold to the step of setting a communication channel between the base station A and the mobile station B ( The operation from step 1 to step 15 in the conventional transfer method shown in FIG. 7) is the same as the conventional transfer method.

Base station A in the transfer system of the first embodiment
The operation after the call channel is set between the mobile station B and the mobile station B (operations after step 15) is as shown in the timing chart of FIG.

Step 16: The base station A transmits extension call data to the mobile station B through the set communication channel.

Step 17: When the mobile station B receives the extension transmission data, the mobile station B transmits the extension automatic response data generated by the transmission data generation means 27 to the base station A,
Mobile station B is in an extension call state.

Step 19: When the base station A receives the extension automatic response data from the mobile station B, the base station A enters the extension call state in which the outside line is held and the extension call is established between the base station A and the mobile station B. ..

Step 20: By a person near the mobile station B,
When a predetermined button of the ten key 31 of the mobile station B is pushed down, step 21; the operation data at extension is transmitted from the mobile station B.

Step 22: Upon receiving the extension operation data, the base station A stores the received operation data in the control means 8.

Step 23: When the handsets 13 and 14 of the base station A are hooked on and the operation of ending the extension call is performed, step 24: From the base station A storing the extension operation data to the mobile station. The external line transfer data is transmitted to B, and step 25; the mobile station B which receives this data is in step 26;

Thus, when an extension call is established between the base station A and the mobile station B, a person in the vicinity of the mobile station B who recognizes the extension establishment by the call from the base station A operates the ten keys 31. If the call is made, the outside line transfer from the base station A to the mobile station B is performed.

Since there are no people near mobile station B,
If the on-hook operation of the base station A in step 23 is executed without the ten key 31 of the mobile station B in step 20 being operated, steps 23 to 26 in the timing chart shown in FIG. Perform the operation of. In addition,
The operation from step 16 to step 19 in FIG.
The operation is the same as that of the corresponding step in FIG.

Step 23: When the handset 13 or 14 of the base station A is hooked on and the extension call end operation is performed, step 24: The base station A transmits the outside line hold data to the mobile station B, Step 25; the mobile station B which received this,
Step 26: The outside line is put on hold.

As described above, when there is no person near the mobile station B, even if the outside line is transferred from the base station A to the mobile station B,
The outside line call state is not entered, and the outside line hold state is entered. Therefore, the base station A side is also placed in the outside line hold state, and the operator at the base station A side recognizes that the outside line transfer cannot be performed, raises the handset again, and can talk with the outside line.

(Second Embodiment) The transfer method shown in the second embodiment is a method for transferring an outside line from one mobile station to the other mobile station.

FIG. 6 shows an example of a cordless telephone device that implements this transfer method.

This cordless telephone system comprises a plurality of mobile stations B, and the configuration of each mobile station B is the same as that shown in FIG. In addition, the base station A uses RF1 and R
A plurality of F2 wireless communication units are provided, and a plurality of antennas 3, 43 corresponding to each wireless communication unit, wireless reception circuits 4, 44, wireless transmission circuits 5, 45, received data decoding means 6, 46, and transmission The data generating means 7 and 47 are provided. Other configurations of the base station A are the same as those shown in FIG.

When one mobile station 1 is talking to an outside line via the RF1 radio communication unit of the base station A, in order to transfer this outside line to the other mobile station 2, the "outside line at the mobile station 1 is used. The operation proceeds in the order of "holding", "extension call from mobile station 1 to mobile station 2 via base station", and "transfer of external line to mobile station 2". Timing of Figure 3
The chart shows the operation after the extension call to the mobile station 2.

Step 1: From the mobile station 1 which is holding the outside line,
By operating the ten keys 31, extension data is transmitted to the mobile station 2.

Step 2: When the base station A receives the extension transmission data for the mobile station 2, the radio reception circuit for RF2
After the power of 44 is turned on and the "empty state" of the control channel is determined, the power of the wireless transmission circuit 45 of RF2 is turned on and the connection request data is transmitted to the mobile station 2. After that, when a communication channel is set up between the mobile station 2 and the base station A through a series of connection procedures (this procedure is omitted), step 3; The mobile station 2 which has transmitted the outgoing call data and has received the step 4; sends the automatic extension data to the base station A in the step 5;

Step 6; When the base station A receives the extension automatic response data, the mobile station 1 and the mobile station 2 are transmitted through the base station A.
An extension call to and from is established.

Step 7: At this stage, when a person near the mobile station 2 presses a predetermined button of the ten-key 31 of the mobile station 2, step 8: the operation data at the time of extension from the mobile station 2 to the base station A. Sent to you.

Step 9: Upon receiving the extension operation data, the base station A stores the received operation data in the control means.

Step 10: After that, when the extension call termination operation of the mobile station 1 is performed, step 11; extension termination data is transmitted from the mobile station 1 and step 12: the base station A receives it.

Step 13: The base station A receiving the extension operation data receives RF2 when it receives the extension end data.
The external line transfer data is transmitted to the mobile station 2 through the wireless transmission circuit 45 and the antenna 43 of step S14, and the mobile station 2 which receives the step 14;

Thus, the external line transfer operation from the mobile station 1 to the mobile station 2 is completed.

Since there are no people near the mobile station 2,
When the extension ending operation by the mobile station 1 in step 10 is executed while the ten keys 31 are not operated in the mobile station 2 in step 7, steps 10 to 18 in the timing chart shown in FIG. Take action.
The operation from step 1 to step 6 in FIG. 4 is the same as the operation in the corresponding step in FIG.

Step 10: When the extension ending operation is performed in the mobile station 1, the extension ending data is transmitted from the mobile station 1 and the extension data is received by the base station A in step 12;

Step 13: At the time of extension, the base station A which has not received the operation data receives R and receives the extension end data.
The outside line hold activation data is transmitted to the mobile station 2 through the F2 wireless transmission circuit 45 and the antenna 43, and step 1
4; The mobile station 2 which receives this receives the outside line holding state in step 15;

Step 16; Also, for the mobile station 1,
The base station A includes a radio transmission circuit 5 for RF1 and an antenna 3
The outside line hold data is transmitted through the step S17, and the mobile station 1 which receives the step 17;

As described above, when there is no person near the mobile station 2, even if the outside line is transferred from the mobile station 1 to the mobile station 2,
Both the mobile station 2 and the mobile station 1 are in the outside line holding state. Therefore, the operator of the mobile station 1 recognizes that the outside line transfer to the mobile station 2 cannot be performed, and raises the handset of the mobile station 1 again to talk with the outside line.

[0057]

As is apparent from the above description of the embodiments, according to the transfer system of the present invention, from the base station to the mobile station,
Alternatively, when an outside line is transferred from one mobile station to the other mobile station, if there is no person near the transfer destination mobile station, the outside line transfer is not performed and the outside line hold state is maintained. Therefore, it is possible to avoid a state in which the outside line remains transferred to a mobile station with no people.

[Brief description of drawings]

FIG. 1 is a timing chart when an external line is transferred in the external line transfer system of the first embodiment,

FIG. 2 is a timing chart for holding an outside line in the outside line transfer system of the first embodiment;

FIG. 3 is a timing chart when transferring an outside line in the outside line transfer system of the second embodiment;

FIG. 4 is a timing chart for holding an outside line in the outside line transfer system according to the second embodiment;

FIG. 5 is a cordless telephone device that implements the first embodiment and the conventional outside line transfer system;

FIG. 6 is a cordless telephone device that implements the outside line transfer system of the second embodiment;

FIG. 7 is a timing chart in a conventional external line transfer system.

[Explanation of symbols]

 A base station B mobile station 1 external line connection terminal 2 call circuit 3, 23, 43 antenna 4, 24, 44 wireless reception circuit 5, 25, 45 wireless transmission circuit 6, 26, 46 reception data decoding means 7, 27, 47 transmission Data generation means 8, 28 Control means 9 Hold button 10 Extension button 11, 31 Numeric keypad button 12 Hook switch 13, 33 Handset 14, 34 Handset 35 Speaker 36 Loudspeaker reception circuit 37 Transmission gain change means

Claims (2)

[Claims] 1. An external line transfer method of a cordless telephone apparatus comprising a base station and a mobile station capable of hand-free communication, wherein an extension line is held between the base station holding an external line and the transfer destination mobile station. When a data input operation is performed from the mobile station when the call is established, an external line is transferred to the mobile station in response to the operation of ending the extension call of the base station, and the data input operation is not performed. If not, the external line is put on hold by the mobile station in response to the operation for ending the extension call, and the external line transfer method for the cordless telephone device. 2. In an outside line transfer method of a cordless telephone apparatus comprising a base station and a plurality of mobile stations capable of hand-free communication, one mobile station holding an outside line and the other transfer destination mobile station. When an extension call is established between the two, if a data input operation is performed from the other mobile station, with the operation of ending the extension call of the one mobile station,
When the outside line is transferred to the other mobile station and the data input operation is not performed, the outside line is put on hold by the other mobile station with the operation of ending the extension call. External line transfer method for cordless telephone equipment.