JPH06105367A - Cordless telephone system - Google Patents

Abstract

(57) [Summary] [Purpose] When a cordless phone that is out of service due to being out of the service area, for example, flows into the service area and is ready to receive a call, it notifies the calling phone. By doing so, it is possible to provide a cordless telephone system that eliminates the need for the caller to call back repeatedly. [Structure] When a call is received from an extension telephone 7 to a cordless telephone 9, when the main device 1 detects that the main device 1 is outside the service area 10 because the call cannot be received, the extension number of the caller is stored in its own memory 5. . When the cordless telephone 9 enters the service area 10, the main unit 1 checks whether or not the other party number is stored in the memory 5, and notifies the relevant extension telephone 7 to display it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone system capable of connecting a cordless telephone and a telephone with a display function.

[0002]

2. Description of the Related Art In a cordless telephone system, when a cordless telephone as a callee is out of service area, it has been conventionally performed to notify the extension telephone of the callee of the state of the callee.

[0003]

However, in the conventional cordless telephone system, there is no means for notifying the telephone of the caller that the cordless telephone, which was in the incapable state, has flowed into the service area. There were problems such as having to repeat incoming calls many times until the destination was within range.

The present invention solves such a conventional problem. A cordless telephone, which has been in a call-disallowed state due to being out of the service area or the like when a call is received, becomes a call-receivable state due to an inflow into the service area or the like. By providing a notification to the caller's phone when a call is made, a cordless phone system is provided that allows the caller to make a reliable call without having to repeat incoming calls many times in time. That is the purpose.

[0005]

In order to achieve the above-mentioned object, the present invention provides a state in which a cordless telephone is out of service area, power-off, etc. when a call arrives at a cordless telephone due to a main unit having a switching function. Therefore, when the incoming call notification cannot be made, the calling party's number is stored in the memory of the main unit, and when the above cordless telephone enters the service area or is turned on by turning on the power, etc. The device notifies the extension telephone of the other party's number stored in its own memory and displays it.

[0006]

Therefore, according to the present invention, the caller has only to wait until the cordless telephone of the callee becomes ready to receive the call, according to the notification information from the main unit. No need to repeat.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a cordless telephone system according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a memory in a main unit used in the cordless telephone system.

In FIG. 1, reference numeral 1 denotes a main unit having a switching function, which is provided with a speech path switch 2, an extension circuit 3, a base station circuit 4, a memory 5, a speech path switch 2, a CPU 6 for controlling the memory 5 and the like. Has been. 7 is an extension telephone with a display function connected to the extension circuit 3, 8 is a base station connected to the base station circuit 4, 9 is a cordless telephone, 10
Is the service area. When the cordless telephone 9 is in the service area 10, when the extension telephone 7 makes a call, the radio transmitted from the base station 8 via the main device 1 can be received. Memory 5 of main device 1
As shown in FIG. 2, the cordless telephones 9a, 9
The party number of the sender for b, ... Is registered.

In the above-mentioned configuration, the processing operation of the main unit 1 and the processing operation of the extension telephone 7 will be described below with reference to the flow charts shown in FIGS.

It is now assumed that the cordless telephone 9 is outside the service area 10 as shown by the solid line in FIG. Here, when an incoming call is made from the extension telephone 7 to the cordless telephone 9, the main device 1 first, as shown in FIG.
Although an incoming call signal is transmitted via the telephone (step 11), the cordless telephone 9 is outside the service area 10 and therefore does not receive the incoming call. As a result, when it is detected that the cordless telephone 9 on the called side is outside the service area 10 (step 12), the extension telephone 7 on the calling side is notified that the cordless telephone 9 on the called side is outside the service area 10. (Step 13), the extension number of the sender is stored in its own memory 5 shown in FIG. 2 (step 14). When it is detected in step 12 that the cordless telephone 9 is not out of the service area 10, a normal incoming call process is performed (step 15).

The cordless telephone 9 located outside the service area 10 has a service area 10 as shown by a chain line in FIG.
4, the main device 1 receives the location registration request from the cordless telephone 9 via the base station 8 as shown in FIG. 4 (step 21), and the calling party number of the calling side is stored in its own memory 5. It is analyzed whether it is stored (step 22). If it is stored in the memory 5, the extension telephone 7 of the other party's number is notified of the information (step 2
3) Then, the other party's number is cleared (step 24), and the fact that the location registration is accepted via the base station 8 is transmitted to the cordless telephone 9 (step 25). On the other hand, as shown in FIG. 5, when the extension telephone 7 receives from the main device 1 that the cordless telephone 9 in the call-disabled state flows into the service area 10 and is in the call-enabled state (step 31), its contents Is displayed on the dial display or the like (step 32). The caller confirms the content and performs the call operation again if necessary.

[0013]

As described above, according to the present invention,
When a call is received, the main device notifies the caller's phone when a cordless phone that has been out of service due to being out of service, etc. is in a callable state due to inflow, etc. The caller need only wait for the notification information, and can make a reliable call without repeating the incoming call many times.

[Brief description of drawings]

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

FIG. 2 is an explanatory diagram of a memory in a main device used in the cordless telephone system.

FIG. 3 is a flowchart for explaining a processing operation when the main device in the cordless telephone system cannot receive an incoming call.

FIG. 4 is a flowchart for explaining a processing operation when a main device inflows into a service area in the cordless telephone system.

FIG. 5 is a flowchart for explaining a display processing operation of a calling side telephone in the same cordless telephone system.

[Explanation of symbols]

 1 main device 5 memory 7 extension telephone 8 base station 9 cordless telephone 10 service area

Claims (1)

[Claims] 1. When receiving an incoming call to a cordless telephone, when the cordless telephone is out of service area, power-off, etc., and the incoming call cannot be notified by the main device having a switching function, the caller's other party's number is set. Stored in the memory of the main unit, and when the cordless phone enters the service area, powers on, etc., and becomes ready for incoming calls, the main unit stores the extension phone of the other party's number stored in its own memory. A cordless telephone system that notifies and displays that fact.