KR20030083028A - Multiple call forwarding apparatus and method - Google Patents

Abstract

PURPOSE: A multiple call forwarding device is provided to perform an automatic call forwarding function for many receiver telephone numbers according to caller telephone numbers and call forwarding registration conditions, thereby differentiating the receiver telephone numbers according to the caller telephone numbers by using a single call forwarding registration number. CONSTITUTION: A database(20) matches many telephone numbers to be call-forwarded, according to callers' telephone number information corresponding to telephone numbers registered in a predetermined call forwarding service, and stores the matched numbers. When a call signal is received, an exchange(10) retrieves whether a call-requested telephone number is registered in the database(20). If so, the exchange(10) reads the telephone number to be call-forwarded, which is matched with the registered telephone number and the callers' telephone number information, from the database(20), and connects a call with the read telephone number.

Description

Multiple call forwarding apparatus and method

TECHNICAL FIELD The present invention relates to an apparatus and method for call forwarding at an exchange, and more particularly, to a multiple call forwarding apparatus and method for controlling to automatically forward calls to a plurality of called party numbers according to caller phone numbers and call forwarding registration conditions.

In general, a call forwarding service is a service that connects a caller line by converting a called phone number to a registered call forwarding phone number when a busy or absent call is made.

However, in the call forwarding service according to the related art, a phone number to be forwarded to a called party's phone number is registered at 1: 1, and when a telephone signal is received at the called party's phone number, the call forwarding service is registered corresponding to the called party's phone number. There was a problem in that the telephone number to be forwarded was unilaterally switched irrespective of the caller's telephone number, and the call forwarding could not be automatically switched to a plurality of numbers according to the caller's telephone number.

SUMMARY OF THE INVENTION The present invention has been made in an effort to provide a multiple call forwarding apparatus and method for controlling a call forwarding service to be automatically forwarded to a plurality of numbers according to a caller's phone number and a condition set by a user. have.

1 is a block diagram of a multiple call forwarding apparatus according to the present invention.

FIG. 2 is a detailed configuration diagram of the exchanger shown in FIG. 1.

3 (a) to 3 (c) show design specifications of the database shown in FIG.

4 is a flowchart of a multiple call forwarding method according to the present invention.

In order to achieve the above technical problem, in the multiple call forwarding apparatus according to the present invention, in the call forwarding apparatus, a plurality of call forwarding numbers are matched according to caller's telephone number information corresponding to a predetermined call forwarding service registered telephone number. When receiving a database and a telephone signal to store a call signal, search whether the call requested telephone number is a call forwarding service registered phone number registered in the database, and if the search result corresponds to a call forwarding service registered phone number A call forwarding service that reads out a call forwarding phone number matching the registered phone number and the caller's phone number information from the database and controls the call forwarding to be connected to the read forwarding phone number; do.

In the multiple call forwarding method according to the present invention in order to achieve the above another technical problem, (a) a plurality of call forwarding according to the caller's phone number information corresponding to the phone number registered in the predetermined call forwarding service Registering by matching the telephone number; (b) determining whether the received telephone number corresponds to the registered telephone number of the call forwarding service; and (c) the telephone number registered with the call forwarding service as a result of the determination of the step (b). If applicable, search for a call forwarding phone number and a registered call forwarding phone number matching the call forwarding service registered phone number, and controlling to connect the call path to the retrieved call forwarding phone number. It is characterized by.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Fig. 1, the multiple call forwarding apparatus according to the present invention includes an exchange 10, a database 20 and a plurality of telephones 30-1 to 30-N.

The database 20 is designed as follows to provide a multiple call forwarding service.

First, the database 20 can be designed as shown in FIG.

As shown in Fig. 3 (a), the call forwarding service registration number, the calling party number, and the call forwarding number are stored in association with each other.

As an example, after registering a 02-100-8888 number as a call forwarding service number, when a call signal is received at a registered forwarding number of 02-100-8888, the registrant phone number according to the caller's telephone number may be different for each forwarding number. Register.

That is, when the call forwarding registrant calls the registered call number 02-100-8888 to the caller's phone number 02-101-1234, the call forwarding number is automatically registered to 02-300-1234. When a call is made to the calling party's telephone number 02-201-3456, it is registered to automatically switch the calling party number to 02-400-1234.

Secondly, the database 20 can be designed as shown in FIG. 3 (b). In this case, the number to be forwarded to each area code is designed in consideration of only the area code of the caller's phone number. In other words, even if you have a separate branch for each region can be useful when operating the same phone number as the head office.

Third, the database 20 can be designed as shown in FIG. 3 (c). In this case, a call forwarding number and a call forwarding time are considered in consideration of a different call forwarding number. That is, it may be useful when distinguishing business hours and non-business hours or registering different numbers for call forwarding by dividing weekdays and holidays.

In some cases, it may be registered in a mixed form of FIGS. 3A, 3B, and 3C, and new conditions may be added.

As shown in FIG. 2, the exchange 10 includes in detail a subscriber connection 201, a switching network 202, an inter-station line connection 203, a control unit 204 and a memory 205.

Looking at the general operation of the exchange 10 as follows.

The subscriber access unit 201 and the station line connection 203 perform an interfacing role of converting signals received from subscribers and other exchanges into a form suitable for connection with the switching network 202, and the switching network 202 controls the controller 204. In accordance with the switching control program of), circuits for switching the circuits between subscriber telephones in the exchange and the lines of other exchanges are built in according to the telephone number of the telephone user.

The memory 205 stores various programs and data for controlling the exchange.

Then, a multiple call forwarding method according to the present invention executed in the exchange 10 will be described step by step with reference to the flowchart of FIG.

First, the call forwarding service telephone number information is registered in the database 20 to execute the multiple call forwarding process (step 401). Call forwarding service telephone number information can be registered in the form as shown in Figs. In some cases, it may be registered in a mixed form of FIGS. 3A, 3B, and 3C, and new conditions may be added.

Next, when the incoming call signal is received by the switchboard 10, it is determined whether the incoming call number corresponds to the call forwarding service registration number registered in the database 20 (steps 402 to 403).

If the called phone number is not a registered forwarding service registration number, the call path is connected to the line of the called phone number (step 404).

However, if the forwarding phone number corresponds to the registered forwarding service registration number, the call forwarding number is searched for and read out including the caller phone number, which matches the condition registered by the forwarding service registrant (step 405). That is, when the database 20 is constructed as shown in FIG. 3 (a), the call forwarding number corresponding to the registered called party number and the calling party number is searched, and the database 20 as shown in FIG. If is established, retrieve the call forwarding number matching the registered called party number and the area code information of the caller, and if the database 20 is constructed as shown in Fig. 3 (c), the registered telephone number, Search for a call forwarding number that matches the caller's phone number and current time information.

Then, the call is controlled by connecting the line to the call of the caller to the line of the call forwarded number to be read (step 406).

By the above operation, the call forwarding service can be automatically forwarded to the call forwarding number matching each condition in consideration of the caller's telephone number and time information.

The invention can be practiced as a method, apparatus, system, or the like. When implemented in software, the constituent means of the present invention are code segments that necessarily perform the necessary work. The program or code segments may be stored on a processor readable medium or transmitted by a computer data signal coupled with a carrier on a transmission medium or network. Processor readable media includes any medium that can store or transmit information. Examples of processor readable media include electronic circuits, semiconductor memory devices, ROMs, flash memories, E ² PROMs, floppy disks, optical disks, hard disks, optical fiber media, radio frequency (RF) networks, and the like. Computer data signals include any signal that can propagate over transmission media such as electronic network channels, optical fibers, air, electromagnetic fields, RF networks, and the like.

Specific embodiments shown in the accompanying drawings are to be understood only as examples of the present invention, and are not intended to limit the scope of the present invention, but also various technical scope described in the present invention in the technical field to which the present invention belongs. It is obvious that the invention is not limited to the specific configurations and arrangements shown or described, as other changes may occur.

As described above, according to the present invention, by automatically forwarding calls to a plurality of called party numbers according to the calling party number and the call forwarding registration condition, a single called party registration number can be called by varying the called party number according to the calling party number. It is convenient to use, and it can be especially useful when operating with the same phone number as the head office even if the branch offices are separate for each region, and call forwarding is divided between business hours and non-business hours, or weekdays and holidays. It is possible to produce a convenient effect in use.

Claims (6)

In the call forwarding device, A database that matches and stores a plurality of call forwarding numbers according to caller phone number information corresponding to a predetermined call forwarding service registered phone number; And When a telephone signal is received, it is searched whether the call requested telephone number is a call forwarding service registered phone number registered in the database, and if the search result corresponds to a call forwarding service registered phone number, the searched call forwarding service registered A call forwarding device, characterized in that it comprises a switch to read the call forwarding phone number matching the phone number and caller's phone number information from the database, and to connect the call path to the read call forwarding phone number . The method according to claim 1, wherein the database matches and registers a phone number to be forwarded differently to a single call forwarding service registered phone number according to area code or station number classification of caller phone number information. Switching device. 2. The apparatus of claim 1, wherein the database registers and registers a telephone number to be forwarded differently according to date information including caller telephone number information and time. In the call forwarding method, (a) matching and registering a plurality of call forwarding phone numbers according to caller phone number information corresponding to a predetermined call forwarding service registered phone number; (b) determining whether the received telephone number corresponds to the telephone number registered in the call forwarding service; And (c) if the call result corresponding to the call forwarding service registered phone number is determined as the result of the step (b), searching for the registered call forwarding number matching the caller phone number information and the phone number registered to the call forwarding service, And controlling to connect the call path to the retrieved call forwarding phone number. 5. The method of claim 4, wherein the step (a) matches and registers different phone forwarding phone numbers to a single call forwarding service registered phone number according to area code or station number classification of caller phone number information. Multiple call forwarding methods. 5. The method of claim 4, wherein the step (a) is performed by differently matching and registering a telephone number to be forwarded according to date information including caller telephone number information and time.