JPH03237853A - Incoming call monitor and interrupt system - Google Patents

Abstract

PURPOSE:To prevent a subscriber terminal equipment from being occupied by a malicious call or the like by registering information representing application of a reply preceding timing of a specific called party in advance to a storage means of an exchange and interrupting forcibly a line receiving a call when set timing information is obtained. CONSTITUTION:Information representing application of a reply preceding timing of a specific called party inputted in advance from a subscriber terminal equipment is registered in a storage means of an exchange corresponding to an object subscriber. When the storage means is referenced and a call to an object subscriber is detected, the reply of the object subscriber is confirmed and the information is collated with set prescribed timing information before the reply and when the timing information is reached, a line receiving the call is interrupted forcibly. Thus, the subscriber terminal equipment is not occupied by a coming malicious call or the like by means of the will of the subscriber.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an incoming call monitoring and disconnection method that monitors the response timing of an incoming call and disconnects a telephone line.

[Conventional technology]

Conventionally, there are two methods for this type of incoming call supervisory disconnection based on response timing, which are applied before or after the called party answers. In the former, if the called party does not answer when a predetermined time limit is reached, regardless of the callee's will, based on the timing set uniformly by the exchange, the call line is disconnected; in the latter, the call line is disconnected after the call ends. In order to cope with cases where the called party picks up the phone but the caller does not pick up the phone or forgets to pick up the phone, the telephone line that was being used is disconnected after a predetermined time limit has passed.

[Problem to be solved by the invention]

As mentioned above, in the conventional incoming call supervisory disconnection system, unless the caller hangs up, the call line is put on hold until a predetermined time limit arrives, regardless of the callee's will. In cases where the person is maliciously talking about t-talk, etc.
The called party's telephone rings repeatedly until the time limit for answering, which is uniformly set by the exchange regardless of the particular subscriber, is reached, and the called party's telephone is forced to pick up the receiver. Since the pre-response timing is set uniformly for all subscribers in this way, there is a problem in that services tailored to each subscriber cannot be provided.

SUMMARY OF THE INVENTION An object of the present invention is to provide an incoming call monitoring and disconnection method that can prevent a subscriber terminal from being occupied by an incoming malicious call or the like according to the subscriber's will.

[Means to solve the problem]

The incoming call monitoring and disconnection method of the present invention includes registering information for applying a specific callee pre-response timing inputted from a subscriber terminal in advance in the storage means of the exchange, corresponding to the target subscriber, When an incoming call to the target subscriber is detected with reference to the storage means, the response of the target subscriber is checked, and if it is before the response, it is checked against predetermined timing information that has been set, and the timing information is When the incoming call is detected, the line where the incoming call was detected is forcibly disconnected.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIGS. 1(a) and 1(b) are diagrams showing the registration and cancellation procedures performed by the subscriber terminal in order to implement the incoming call monitoring and disconnection method of the present invention.

As shown in FIG. 1 (a), the exchange receives the information for applying the pre-response monitoring timing service dialed by the subscriber, e.g. Check whether the service is duplicated with other services and whether this service is applicable based on service competition conditions (Step 2). If it is not applicable, a NU tone is sent to the subscriber to notify that registration is not possible.

If applicable, pre-response monitoring timing service information is stored in the storage device in correspondence with the subscriber information, and a confirmation tone is sent to the calling subscriber to indicate that registration is complete (step 3).

FIG. 1(b) shows the procedure for canceling the information registered in FIG. 1(a). For example, upon receiving "Book 61#", in step 11), the pre-response monitoring timing service information registered corresponding to the subscriber stored in the storage device is immediately canceled and a confirmation sound is sent to the subscriber ( Step 12). This allows the subscriber to confirm that the pre-response monitoring timing service has been cancelled.

Below, with reference to FIG. 2 of one embodiment of the present invention, FIG.
The case where a call arrives at a subscriber registered with the pre-response monitoring timing service shown in a) will be explained. First, when the exchange receives an incoming call, it refers to the storage device and determines whether the call is applicable to the pre-answer monitoring timing service (step 22). If the call is not applicable, the called Detects the response signal of the subscriber (step 28), and closes the communication path so that the call can be made (step 28). If the call is an applicable call, it is first checked to see if the subscriber has answered (step 23). 〉, if not responding, then
Step 24: Check whether a certain pre-response timing value, e.g. "1 minute", has been reached to provide this service.
), immediately disconnect the incoming line (step 26).
)do. That is, if the subscriber does not want to answer such as a malicious call, the call line is forcibly disconnected after a specific pre-response timing different from the normal pre-response timing is counted after the call arrives. If it has not yet reached the pre-answer timing counter, the process returns to step 23 (step 25).If the called party answers in step 23, the caller immediately calls the caller to join the call as in step 27. The path is closed (step 28).

〔Effect of the invention〕

As explained above, in the present invention, information for applying a specific pre-answer timing from a subscriber terminal is registered in advance in the storage means of the exchange, and if the called party has not yet answered, the information is set. By configuring the line where an incoming call is detected to be forcibly disconnected when the specified timing information is reached, it is possible to prevent the subscriber's terminal from being occupied by incoming malicious calls, etc. at the subscriber's will. It can be done.

[Brief explanation of drawings]

Figures (a) and (b) are diagrams showing the registration and cancellation procedures performed from the subscriber terminal in order to implement the incoming call monitoring and disconnection method of the present invention, and Figure 2 shows the processing of an embodiment of the present invention. It is a flowchart showing a flow.

Claims (1)

[Claims] Information for applying a specific called party pre-answer timing inputted from a subscriber terminal is registered in advance in a storage means of the exchange corresponding to a target subscriber, and the storage means is referred to to apply a specific called party pre-answer timing. When an incoming call to the subscriber is detected, the response of the target subscriber is checked, and if it is before the response, it is checked against predetermined timing information set, and when the timing information is reached, the incoming call is detected. An incoming call monitoring and disconnection method characterized by forcibly disconnecting the line that has received an incoming call.