KR100229865B1 - Telephone number message waiting state service method - Google Patents

Abstract

end. The technical field to which the invention described in the claims belongs:

Service method of waiting for phone number message of general extension telephone in key phone system

I. The technical problem the invention is trying to solve:

In the key phone system, it is easy for the user of the extension phone to know that there is a phone number message of the other party of the general extension phone.

All. The gist of the solution of the invention:

The present invention provides a telephone number message ring periodically to the general extension telephone when the telephone extension message is left in the general extension telephone, so that the general extension telephone user can know the service.

la. Important uses of the invention:

Key Phone System

Description

Service method of waiting for phone number message of general extension telephone in key phone system

The present invention relates to a key phone system, and more particularly, to a method of providing a service so that a general extension telephone user can know when a phone number message is left in a general extension telephone.

In general, in a key phone system, a phone number message can be left in a key phone dedicated phone and a general extension phone. When a user of a key phone-only phone calls a general extension phone and the extension user does not answer or is busy, the user of a key phone-only phone presses a phone number message button on the keypad to send his / her phone number message to the other party. Can be provided to More specifically, when the key phone dedicated user presses the phone number message button, the key phone system assertion stores the phone number message of the key phone dedicated phone, but when the extension phone user picks up the handset, a message indicating that there is a phone number message. An audible tone is heard to the extension telephone user. On the other hand, when a general extension phone user calls a keyphone-only phone, if the keyphone-only phone user does not answer or is busy, the general extension phone user presses 'hook flash + message number key'. It is possible to provide a phone number message of the key phone dedicated phone user of the other party. More specifically, when the general extension telephone user presses the 'hook flash + message function number key', the key phone system claim value is a telephone number message button LED (Light Emission Diode) provided on the keypad of the telephone dedicated telephone. ON and at the same time stores the telephone number message of the general extension telephone. Then, when the user of the telephone-only phone picks up the handset, the user hears the message waiting sound indicating that there is a telephone number message.

Therefore, when the phone number message of the other party is left in the key phone dedicated phone, the phone number message button LED is lit so that the user of the key phone dedicated phone can easily know that the phone number message of the other party is left. However, when the other party's phone number message was left in the general extension phone, the user could know that the phone number message was left only when the user picked up the handset and checked it by ear. That is, when the user picks up the handset and hears a tone other than the dial tone when the user touches the ear, that is, the message waiting tone, only when the user hears the other party's phone number message.

Therefore, the conventional technique when the telephone number message is left in the general extension telephone has a disadvantage that the general extension telephone cannot check whether the telephone number message is left until the user directly lifts the handset.

It is an object of the present invention to provide a method for a general extension telephone user to know when a phone number message of another telephone in a keyphone system is left in a general extension telephone in a keyphone system.

It is another object of the present invention to provide a method for allowing a general extension telephone user to talk to a telephone extension message subscriber who has requested a telephone number message service when a phone number message of another telephone in the keyphone system is left in the general extension telephone in the keyphone system. have.

In accordance with the above object, the present invention relates to a key phone system including a ring generating circuit for generating a ring signal, a plurality of key phone dedicated telephones, and a plurality of general extension telephones. A method of servicing a user of one of the plurality of general extension telephones when another telephone in the keyphone system has left his / her phone number message, wherein one of the plurality of general extension telephones is not in use. The key phone system generates one of the plurality of general extension telephones by using the ring generation circuit periodically for a predetermined period of time to generate a telephone number message ring signal indicating that there is a telephone number message left by the other telephone. It is provided by one of the general extension telephones.

The present invention also provides a ring generating circuit for generating a ring signal, a plurality of key phone dedicated telephones, and a plurality of general extension telephones. A method of servicing a user of one of the plurality of general extension telephones when a user leaves his / her phone number message, wherein the telephone number message of the other telephone is displayed when one of the general extension telephones is not in use. A first step of periodically providing a telephone number message ring signal indicating a presence to one of the general extension telephones by using a ring signal generation circuit, and the user of the general extension telephone telephone provided with the ring signal holding a handset for a predetermined time The ring signal generation call to the extension telephone which requested the telephone number message service. For use by transmitting a ring signal characterized by the second constituted by any process for forming a call from other telephone period with one of the general extension telephone.

1 is a general block diagram of a key phone system

2 is a flow chart of the telephone number message waiting state service control according to an embodiment of the present invention.

3 is a flowchart for controlling a telephone number message receiving service according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the same elements in the figures are represented by the same reference numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a block diagram of a general key phone system according to the present invention. The central processing unit 10 controls the call switching by accessing the head set program and controls the trunk line call by various services. The memory unit 12 incorporates the program initial service data for performing calls and various functions, and temporarily stores data generated during program execution. The display unit 14 displays the operation state under the control of the central processing unit 10. The interface circuit 16 performs interfacing for data communication between the central processing unit 10 and each component of the key phone system. In response to the control of the central processing unit 10, the trunk line circuit 18 seizes the trunk line to form a trunk line loop, and interfaces a signal coming from the trunk line. Extension subscriber circuit 20 supplies voice current to the subscriber's key phone dedicated telephone and general extension telephone, and performs interfacing between these telephones and the device. The switching circuit 30 switches various tones and voice data under the control of the CPU 10. The tone supply circuit 22 generates various tone signals in response to the control of the central processing unit 10 and provides them to the switching circuit 30. The ring generating circuit 24 supplies the ring signal in the form of a square wave to the switching circuit 30 in response to the control of the central processing unit 10. The DTMF transmission circuit 26 outputs a DTMF (Dual Tone Multi Frequency) signal under the control of the central processing unit 10. The DTMF receiving circuit 28 analyzes the DTMF signal generated from the subscriber of the extension subscriber circuit 20 and applies the corresponding digit data to the CPU 10.

2 is a flowchart illustrating a control of a phone number message waiting state service according to an exemplary embodiment of the present invention.

A telephone number message waiting state service control operation will now be described with reference to FIGS. 1 and 2. The extension phone user can set the phone number message function by pressing the phone number message button in the case of a key phone-only phone or by pressing the 'hook flash + message number key' in the case of a general extension phone. have. Accordingly, the central processing unit 10 records in the memory unit 12 the telephone number of the extension telephone and the telephone number of the counterpart telephone which requested the telephone number message function setting.

In this way, if the phone number message function is set as shown in step 200 of FIG. 2, the central processing unit 10 of the key phone system determines whether there is a phone number message by checking the memory unit 12 in step 202. If there is a telephone number message, the flow proceeds to step 204 to determine whether the extension telephone to receive the telephone number message service is a general extension telephone. If it is not a general extension phone, the flow proceeds to step 206 to control the phone number message service of the key phone dedicated phone, that is, the phone number message LED on the keypad of the phone dedicated phone. This is the same as the conventional method.

In step 204, if the extension telephone to receive the telephone number message function is a general extension telephone, steps 208 to 214 are performed. The process of steps 208 to 214 is to periodically provide a telephone number message ring to the general extension telephone by using the ring generating circuit 24 to indicate that there is a telephone number message on the general extension telephone while the general extension telephone is not in use. It makes a point. More specifically, the CPU 10 determines whether the preset phone number message ring interval time (for example, 0 to 250 sec) has elapsed in step 208, and if so, proceeds to step 210 and the phone number message to the general extension telephone. The telephone number message ring indicating the presence of a message is transmitted to the general extension telephone using the ring generating circuit 24. In step 212, it is determined whether the telephone number message ring transmission period has elapsed, and the telephone number message ring is transmitted to the corresponding general extension telephone until the transmission time elapses. If the ring transmission time elapses, the ring proceeds to step 214. Turn off the transmission. Then return to step 208 to perform the process from that step again.

If the user of the general extension telephone, in which the telephone number message is left by ring transmission, receives a call in step 214 of FIG. 2, the extension telephone performs the process of FIG. 3. 3 is a flow chart of a telephone number message receiving service according to an embodiment of the present invention.

Referring to FIG. 3, when the user of the corresponding general extension telephone receives a call, that is, off-hook, the user checks it at step 300 and proceeds to step 302 to determine whether there is a corresponding telephone number message. If there is no corresponding phone number message, the process proceeds to step 304 to perform a general off-hook service.

However, if there is a corresponding telephone number message, the process proceeds to step 306 to transmit a telephone number message tone to the general extension telephone. When the user of the general extension telephone who hears the telephone number message tone ignores the telephone number message tone service and immediately inputs a digit, the user checks this in step 310 and performs the service according to the digit input in step 312. However, if the user of the general extension phone does not press another key for the message waiting time to elapse, the mobile station checks it in step 308 and proceeds to step 314 to send a ring to the extension telephone that requested the telephone number message service by using the ring generation circuit 24. Extension telephones allow other telephony calls to be established within the keyphone system.

In the above description of the present invention, specific embodiments have been described, but various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be defined by the equivalent of claims and claims.

As described above, the present invention provides a telephone number message ring to the general extension telephone periodically indicating that there is a phone number message in the general extension telephone when the phone number message is left in the general extension telephone. Will be serviced.

Claims (5)

In a key phone system comprising a ring generating circuit for generating a ring signal, a plurality of key phone-dedicated telephones, and a plurality of general extension telephones, one of the plurality of general extension telephones has another telephone in the key phone system having its own telephone number. A method of servicing a user of one of the plurality of general extension telephones when a message is left, wherein the keyphone system is configured to activate the plurality of general extension telephones if one of the plurality of general extension telephones is not in use. One of the telephones generates a telephone number message ring signal that indicates that there is a telephone number message left by the other telephone by periodically using the ring generating circuit for a period of time and provides it to one of the plurality of general extension telephones. Service method characterized in that. The method of claim 1, wherein the period of providing the telephone number message ring signal to one of the plurality of general extension telephones is 0 to 250 seconds. In a key phone system including a ring generating circuit for generating a ring signal, a plurality of key phone-dedicated telephones, and a plurality of general extension telephones, another telephone in the key phone system has its own phone number message to one of the plurality of general extension telephones. A method of servicing a user of one of the plurality of general extension telephones when a user leaves the telephone number, the telephone number indicating that there is a telephone number message of the other telephone when one of the general extension telephones is not in use. A first step of periodically providing a message ring signal to one of the general extension telephones by using a ring signal generation circuit; and when the user of the general extension telephone telephone provided with the ring signal picks up the handset and waits for a predetermined time Ring service using the ring signal generation circuit to the extension telephone that requested a message service A transmission method which is characterized by the second constituted by any process of forming the common extension telephone to one of telephone call with the other period of the. 4. The service method of claim 3, further comprising the step of sending a telephone number message tone indicating that a telephone number message is left in his or her general extension telephone when the user of the general extension telephone is picked up. 4. The method of claim 3, wherein the period of providing the telephone number message ring signal to one of the plurality of general extension telephones is 0 to 250 seconds.