JPS63161736A - Non-reply tone sending system for cordless telephone set - Google Patents

Abstract

PURPOSE:To allow a caller side to recognize the talking disable state by sending a non-reply signal from a radio connection device to a radio line controller when no reply comes from a radio telephone set and sending a tone signal representing no reply to a wired line. CONSTITUTION:If no incoming reply signal from a radio telephone set 13-1 exists in response to an incoming signal, a control circuit in a radio connection device 9-1 awaits an incoming reply signal for a preset time, the no reply signal is sent to the connection line 7-1. The control circuit in the radio line controller 5 replies the no reply signal, the no reply tone circuit is started and the tone signal representing the no reply is outputted by a preset time only and sent to a wired line 3-1 and sent to a trunk line 15-1 via an exchange 1. Thus, the tone is listened to by the caller side and the talking disabled state is recognized.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a no-answer tone sending system in a cordless telephone device.

(Prior Art) Conventionally, in this type of cordless telephone device, when a calling signal is sent from an exchange to a wireless line controller via a wired line as shown in the sequence of FIG. The polarity is reversed and the DC loop is closed between the line control IIl device and the B line connection device, and an incoming call signal is sent from the wireless line charge m device to the wireless connection device via the connection line. Further, this incoming call signal is sent from the wireless connection device to the wireless telephone via the wireless line.

However, as shown in the same sequence, even if an incoming call signal is sent to the wireless telephone, there is no I/O for this incoming call signal.
! i! Sometimes there is no response from the phone. This can occur, for example, if the wireless telephone is out of the coverage area of the wireless connection device.

In such a case, the wireless response signal is sent from the wireless connection device to the wireless line control! The signal is sent to the Il device, and the DC loop is opened and depolarized between the wireless connection device and the wireless line charge tin device, resulting in a state in which communication is disabled. However, in the past, even in such a call-disabled state, a paging signal was sent from the exchange, so the calling party could not detect the call-disabled state.

(Problems to be Solved by the Invention) As described above, in the conventional cordless telephone device, when a call is disabled when there is no response from the wireless telephone to an incoming call signal, it is difficult for the calling party to detect the call disabled state. There was a problem with the service provided to the calling party.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a no-response tone sending system for a cordless telephone device that allows the calling party to detect a call-disabled state.

[Structure of the invention]

(Means for Solving the Problems) The no-response tone sending method in the cordless telephone device according to the present invention is such that when there is no response from the no-41 telephone in response to an incoming call signal sent from the wireless connection 'a' to the wireless telephone. means for sending a no-response signal from the wireless connection device to the wireless line control device, and means for sending a tone signal indicating no response from the wireless line fee m+ device to the wired line in response to the no-response signal. It is characterized by having the following.

(Function) According to the no-response tone sending method in the cordless telephone device according to the present invention, when there is no response from the wireless telephone to an incoming call signal, a tone signal indicating no response is sent from the wireless line control device to the wired retrospective. , the calling party detects that the call is not possible.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram showing an embodiment of a no-response tone sending system in a cordless telephone device according to the present invention. In this device, a wireless line charge 611 device 5 is connected to the exchange 1 via each wire line 3-1 to 3-m, and a wireless line charge 611 device 5 is connected to this wireless line control device 5 via each connection line 7-1 to 7-n. Each of the wireless connection devices 9-1 to 9-n is connected to each service area 11-1 to 11 of these wireless connection devices 9-1 to 9-n.
-N has no #! Telephones 1113-1 to 13-n are arranged respectively.

Now, for example, the wireless telephone 13-1 is connected via the central office line 15-1.
When the destination call signal is sent, this call signal is sent from the exchange tffi1 to the wired port #! as shown in the sequence of FIG. 3-1 to the radio line control device 5, and the polarity is reversed and the DC loop is closed between the radio line control O device 5 and the wireless connection device @9-1. At this time, the radio line control device 5 configured as shown in FIG.
and is input to the control circuit 53 via the data highway 52, and in response, the control circuit 53 sends out the incoming call signal to the connection line 7-1 via the data highway 52 and the line circuit 54-1. The wireless connection device 9-1 connected to this connection line 7-1 inputs this incoming call signal to a transmitter 92 via a hybrid circuit 91, and the transmitter 92 receives this incoming call signal from a transmitting antenna 93 wirelessly. Send to telephone 13-1.

When an incoming call response signal is transmitted from wireless telephone 8113-1 in response to the incoming call signal, receiver 94 in wireless connection device 9-1 transmits this incoming call response signal to receiving antenna 95.
and applies this incoming call response signal to the control circuit 96. When the control circuit 96 receives this incoming call response signal,
The Bellumi e signal is added to the transmitter 92 and sent to the transmitting antenna 93.
Have it sent from. At this time, a DC loop is opened between the wireless connection device 9-1 and the wireless line control device 5. After that, as shown in the same sequence, an off-hook signal and an audio circuit on signal are exchanged between the wireless telephone 1113-1 and the wireless connection device @9-1, and between the wireless connection device 9-1 and the wireless line control device 5. The DC loop is closed and depolarized, and the DC loop is closed between the radio line controller @5 and the exchange 1, and as a result, a call state is established. In this call state, the third
An instruction corresponding to the calling signal is given to the switch control section 55 from the control circuit 53 in the radio line control device 5 shown in the figure, and the switch control section 55 responds to the given instruction.
Under this control, the office line trunk circuit 51-1 and the line circuit 54-1 are connected via the motherboard 56.

Further, when the call ends, an on-hook signal and a call termination signal are exchanged between the wireless telephone 13-1 and the wireless connection device 9-1, and a DC loop is established between the wireless connection device 9-1 and the wireless line charge 'a device 5. Then, a DC loop is opened between the radio line control device 5 and the exchange 1.

By the way, in this embodiment, as shown in the sequence of FIG.
-1, but there is no incoming call response signal from the wireless telephone 13-1 in response to the incoming call signal, for example because the M-free telephone 113-1 is outside the service area 11-1. , the control circuit 96 in the wireless connection device 9-1 waits for an incoming call response signal for a preset time, and then sends out a no-response signal to the connection 1i17-1 via the hybrid circuit 91. The no-response signal sent to the connection line 7-1 is applied to the control circuit 53 via the line circuit 54-1 in the radio line control device 5 and the data highway 52. Thereafter, the DC loop is closed and depolarized between the wireless connection device 9-1 and the wireless line control device 5, and the DC loop is closed between the wireless line control I device 5 and the exchange 11. Next, in response to the no-response signal, the control circuit 53 in the radio line control II device 5 activates the no-response gate 2857 and sends out a tone signal (for example, a visit tone) indicating no response for a preset period of time. This tone signal is sent to the wire line 1!3-1 via the data highway 52 and the office line trunk circuit 51-1. Further, since this tone signal is sent to the central office line 15-1 via the exchange 1, the calling party can hear the tone for the above-mentioned period of time. After this, replace it with the wireless line control I device 5! ! ! 1 between the DC loops.

In this way, in this embodiment, in response to an incoming call signal, no 4! If there is no incoming call response signal from telephone n, the wireless line controller sends a tone signal indicating no response to the wired line, so the calling party can detect that the call is not possible by hearing the tone. can do.

〔Effect of the invention〕

As explained above, according to the present invention, if there is no response from the wireless telephone in response to an incoming call signal, a tone signal indicating no response is sent from the wireless line control device to the wired line, so that the calling side It is possible to provide a no-response tone sending method for a cordless telephone device that can detect a state in which a call is disabled.

[Brief explanation of the drawing]

FIG. 1 is a schematic configuration diagram showing an embodiment of a no-response tone sending method in a cordless telephone device according to the present invention, and FIG. 2 is a sequence used to explain the operation of the embodiment shown in FIG. 1. , FIG. 3 is a block diagram showing the configuration of a radio line control device and a wireless connection device in the embodiment shown in FIG. 1, and FIG. 4 is a block diagram for explaining other operations in the embodiment shown in FIG. 1. The sequence used in FIG. 5 is a sequence used to explain the operation of a conventional cordless telephone device. 1...Exchange line, 3-1~3-m...Wired line, 7-
1 to 7-n...Connection line, 5...Radio line control 1] device, 9-1 to 9-n...Wireless connection device, 11-1 to 1
1-n service area, 13-1 to 13-n... Wireless telephone, 15-1 to 15-1... Office line, 51-1 to 5
1-n... Office line trunk circuit, 52... Data highway, 53... Control circuit, 54-1 to 54-n...
- Line circuit, 55... Switch control section, 56...
Motherboard, 57... No response sound circuit, 91... Hybrid circuit, 92... By transmission, 93... Transmitting antenna, 94... By receiving, 95... Receiving (H antenna, 96...・Control circuit. 2nd gate

Claims (1)

[Claims] A plurality of wireless telephones, a plurality of wireless connection devices respectively connected to the wireless telephones via wireless lines, and a plurality of wireless connection devices connected to the plurality of wireless connection devices and connected to at least one wired line. In a no-response tone sending method for a cordless telephone device having a wireless line control device, if there is no response from the wireless telephone to an incoming call signal sent from the wireless connection device to the wireless telephone,
means for sending a no-response signal from the wireless connection device to the wireless line control device; and means for sending a tone signal indicating no response from the wireless line control device to the wired line in response to the no-response signal. A no-response tone transmission method in a cordless telephone device, characterized by comprising: