KR20150040156A - Method and Apparatus for Controlling Selective Call Forwarding - Google Patents

Method and Apparatus for Controlling Selective Call Forwarding Download PDF

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Publication number
KR20150040156A
KR20150040156A KR20130118789A KR20130118789A KR20150040156A KR 20150040156 A KR20150040156 A KR 20150040156A KR 20130118789 A KR20130118789 A KR 20130118789A KR 20130118789 A KR20130118789 A KR 20130118789A KR 20150040156 A KR20150040156 A KR 20150040156A
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KR
South Korea
Prior art keywords
call
service
terminal
information
calling
Prior art date
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KR20130118789A
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Korean (ko)
Inventor
구성은
Original Assignee
에스케이텔레콤 주식회사
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Priority to KR20130118789A priority Critical patent/KR20150040156A/en
Publication of KR20150040156A publication Critical patent/KR20150040156A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data

Abstract

An optional call transfer control device and method are disclosed.
Acquires the call transfer exception number based on the input of the subscriber, stores the call transfer exception number in the exception number list, and stores the telephone number of the calling terminal in the exception number list based on at least one of the automatic connection and the call transfer to which the called terminal is subscribed And controlling the call transfer based on whether or not the call is included.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus and method for selective call forwarding,

This embodiment relates to an apparatus and method for selectively controlling call transfer.

The contents described in this section merely provide background information on the present embodiment and do not constitute the prior art.

Generally, the role of the communication switching system is to detect a call signal from a calling subscriber, to make a call between the called subscriber and a called subscriber corresponding to the incoming signal, to make a call between them, .

In this general communication exchange system, various additional services other than the above-mentioned call service are provided. In case of the call forwarding function, which is one of the above services, when the subscriber registers the call forwarding function to the telephone office in which the communication exchange system is located, The communication switching system switches the incoming signal generated to the subscriber registered with the incoming call switching function to the preset incoming call transfer number to enable the call.

The call forwarding function of such a communication switching system is a function that enables a customer to use a specific number to set a call forward and to verify the validity of a specific number (e.g., spam, advertisement, etc.) in advance, It is difficult to carry out the call restriction because the originating party transmits the call forwarding restriction indication to the called communication network and restricts the call forwarding in the exchange based on the call forwarding restriction indication.

In this embodiment, a call transfer exception number is acquired based on an input of a subscriber and is stored in an exception number list, and the call destination terminal registers the telephone number of the calling terminal based on at least one of the automatic connection and the call transfer, Is included in the list of exception numbers, and controls the call transfer based on whether or not the call is included in the exception number list.

According to an aspect of the present invention, there is provided a communication system including: a communication unit for obtaining a call transfer exception number from a computerized information processing apparatus and receiving a call connection request signal from a calling terminal; A call transfer information storage unit for storing the call transfer exception number in an exception number list; A subscription service checking unit for checking the call connection service subscribed by the called terminal based on the called party number information included in the call connection request signal to generate subscription service checking information; And a call connection controller for determining whether or not caller ID information for the calling terminal is included in the exception number list based on the subscription service confirmation information to control call transmission. .

According to another aspect of the present invention, there is provided a signal receiving method comprising: obtaining a call transfer exception number from a computerized information processing apparatus and receiving a call connection request signal from a calling terminal; A call transfer information storing step of storing the call transfer exception number in an exception number list; A subscription service checking step of checking the call connection service subscribed by the called terminal based on the called party number information included in the call connection request signal to generate subscription service checking information; And a call connection control step of controlling call transmission by determining whether caller's number information for the calling terminal is included in the exception number list based on the subscription service confirmation information. do.

As described above, according to the present embodiment, the call transfer exception number is acquired and stored in the exception number list based on the input of the subscriber, and the call transfer is controlled according to whether the telephone number of the calling terminal is included in the exception number list Thus, even when forced call forwarding is set up due to malicious personal information capture, it is possible to prevent the call transfer from being performed for the call transfer exception number and to prevent malicious call for a high priority call such as voice ARS based financial authentication, payment authentication, It is possible to prevent the problem of forcible call forwarding and password hijacking in advance, thereby enhancing the security of the call transfer function.

1 is a block diagram schematically showing a call transfer service providing system according to the present embodiment.
2 is a block diagram schematically showing the selective call switching control apparatus according to the present embodiment.
3 is a flowchart for explaining a selective call switching control method according to the present embodiment.

Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing a call transfer service providing system according to the present embodiment.

The call transfer service providing system according to the present embodiment includes a calling terminal 110, a called terminal 112, a call transfer terminal 114, a base station 120, a communication exchange 130, a home location register 140, And a processing device 150. The call transfer service provision system shown in FIG. 1 is according to one embodiment, and thus not all the blocks shown in FIG. 1 are required, and in other embodiments, some blocks may be added, changed or deleted.

The calling terminal 110 is a terminal capable of transmitting and receiving voice and data via a network in response to a key operation of a user. The calling terminal 110 may be a tablet PC, a laptop, a personal computer (PC) A smart phone, a personal digital assistant (PDA), a mobile communication terminal, or the like.

The originating terminal 110 is a terminal for performing voice or data communication using a network and includes a memory for storing a program or a protocol for communicating via a network, a microprocessor for executing and controlling the program, Means a device provided. The originating terminal 110 may be any terminal as long as it is capable of server-client communication with the communication network. Here, the originating terminal 110 is preferably a terminal that transmits and receives data using a 3G network. However, the present invention is not limited thereto, and in a communication network such as a 2G network, LTE (Long Term Evolution) It is possible to transmit or receive voice or data.

The calling terminal 110 according to the present embodiment transmits a call connection request signal for the called terminal 112 to the communication switching center 130 through the calling base station 122 using the called party number information input from the user. The originating terminal 110 can use the call service when the call is connected to the terminating terminal 112 or the call switching terminal 114 based on the call switching service in the communication switching center 130. [

The terminating terminal 112 is a terminal capable of transmitting and receiving voice and data via a network according to a key operation of a user. The terminating terminal 112 may be a tablet PC, a laptop, a personal computer (PC) A smart phone, a personal digital assistant (PDA), a mobile communication terminal, or the like. The receiving terminal 112 is a terminal for performing voice or data communication using a network and includes a memory for storing a program or a protocol for communicating via a network, a microprocessor for executing and controlling the program, Means a device provided.

The calling terminal 112 according to the present embodiment joins the call transfer service provided by the mobile communication provider and when the call received from the communication exchange 130 is connected based on the call transfer service, It is possible to use a call service for sending and receiving. Here, the call transfer service is preferably at least one of an automatic connection service for switching a call according to an incoming call state of the call receiving terminal 112 and a call forwarding service for unconditionally switching a call, but is not limited thereto.

The call forwarding terminal 114 is a terminal capable of transmitting and receiving voice and data via a network in response to a key operation of a user. The call forward terminal 114 is a tablet PC, a laptop, a personal computer (PC) A smart phone, a personal digital assistant (PDA), a mobile communication terminal, or the like. The call forwarding terminal 114 is a terminal for performing voice or data communication using a network and includes a memory for storing a program or a protocol for communicating via a network, a microprocessor for executing and controlling the program Quot; device "

The call forwarding terminal 114 according to the present embodiment can use a call service for transmitting and receiving voice data to and from the calling terminal 110 when a call received from the communication exchange 130 is connected based on the call switching service. Here, the call-forwarding terminal 114 is a terminal registered in the call-switching service to which the terminating terminal 112 subscribes, and transmits a call converted from the call switching center 130 based on the call- .

The base station 120 is connected to a plurality of terminals 110, 112 and 114 wirelessly and performs various functions for performing services such as a voice communication service, a wireless data service, a wireless Internet service, a video call or a message service . The base station 120 is provided in a mobile communication network and can be implemented in various wireless communication networks such as CDMA, WCDMA, and LTE.

The base station 120 according to the present embodiment includes a calling base station 122 connected to the calling terminal 110, a called base station 124 connected to the called terminal 112, and a call forwarding base station (126). Herein, the calling base station 122 performs a call connection request signal received from the calling terminal 110 to the communication switching center 130, and the called base station 124 and the call switching base station 126 transmit the call connection request signal to the communication exchange 130 130 to the called terminal 112 and the call forwarding terminal 114. When a call is connected, voice data is transmitted and received to use the call service.

The communication exchange 130 performs an operation of controlling a call connection based on a call transfer service in cooperation with a plurality of terminals 110, 112 and 114 through a base station 120.

The communication exchange 130 according to the present embodiment receives the call connection request signal generated by the originating terminal 110 from the originating base station 122 and transmits the call connection request signal to the terminating terminal 112 based on the called number included in the call connection request signal, The mobile communication terminal generates the subscription service confirmation information by checking at least one of the call forwarding service and the automatic connection service. Here, the call forwarding service among the call forwarding services to which the call receiving terminal 112 subscribes refers to a service for switching call connection to the call forwarding terminal 114 unconditionally for all calls received by the caller terminal 112. The automatic connection service of the call connection service to which the call receiving terminal 112 subscribes connects the call to the call receiving terminal 112. When the call receiving terminal 112 is in a state in which the call connection can not be performed The call connection is switched to the call forwarding terminal 114 only when the call connection is not established,

The communication exchange 130 obtains an exception number list from the home location register 140 and sends a call to the terminating terminal 112 based on the exception number list and the subscription service confirmation information, And performs an operation of switching and transmitting.

Hereinafter, the operation of the communication switching center 130 will be described when the terminating terminal 112 uses the call switching service for the call forwarding service.

When the call terminating service is used by the terminating terminal 112 based on the subscription service confirmation information, the communication switching center 130 determines whether the calling number information is included in the exception number list, And transmits the call only to the called terminal 112 without performing call forwarding.

On the other hand, if the calling terminal 112 uses the call forwarding service and the calling number information is not included in the exception number list, the communication switching center 130 recognizes that the security ranking for the calling number information is not high, To a call to the call forwarding terminal 114 and transmits the call.

Hereinafter, the operation of the communication switching center 130 will be described when the terminating terminal 112 uses the call switching service for the automatic connection service.

The communication switching center 130 transmits a call to the called terminal 112 when the called terminal 112 uses the automatic connection service based on the subscription service confirmation information and the call can not be received due to the inaccessible state of the called terminal 112 When the condition information is received, the calling number information is checked in the exception number list. Here, the termination impossible condition information may include condition information on a power OFF state, a non-response state, a busy state, an unspecified state, and the like.

When the call terminating condition information is received and the calling number information is included in the exception number list, the communication switching center 130 recognizes that the security ranking for the calling number information is high and notifies the terminating terminal 112 Terminates the connection of the call. On the other hand, if the call terminating condition information is received and the calling number information is not included in the exception number list, the communication switching center 130 recognizes that the security ranking for the calling number information is not high, To the call to the call forwarding terminal 114 and transmits the call.

When the call connection service is used by the terminating terminal 112 based on the subscription service confirmation information, the communication exchange 130 transmits a call to the terminating terminal 112. When the call is connected, the terminating terminal 112 and the terminating terminal 112 ). ≪ / RTI > In such a case, the communication exchange 130 may omit the operation of receiving the list of exception numbers from the home location register 140.

In FIG. 1, the communication switching center 130 and the home location register 140 are implemented as separate devices. However, the present invention is not limited to this and may be implemented by a single device such as the selective call control device 200.

The home location register 140 is a database storing information on subscriber information of a plurality of terminals 110, 112 and 114. The home location register 140 stores a terminal identification number of a plurality of terminals 110, 112 and 114 (MIN: Mobile Identification Number), an ESN (Electronic Serial Number), and additional service information. The home location register 140 stores subscriber information including information on the base station 120 and the communication switching center 130 in which a plurality of terminals 110, 112 and 114 are located.

The home location register 140 according to the present embodiment obtains the call transfer exception number from the computer information processing unit 150 and stores the call transfer exception number in the preset exception list. The home location register 140 transmits the exception number list storing the call transfer exception number to the communication exchange 130 and notifies the call number information of the calling terminal 110 corresponding to the exception number list in the communication exchange 130 You can limit the conversion.

The computerized information processing apparatus 150 performs an operation of transmitting the call transfer exception number input from the subscriber to the home location register 140. The computerized information processing apparatus 150 according to the present embodiment transmits the received call transfer exception number to the home location register 140 based on the call transfer service to which the call receiving terminal 112 subscribes, Change, and deletion. Here, the call transfer exception number is included in the exception number list of the home location register 140 so as not to exceptionally perform call transfer of the communication exchange 130, and includes financial related number information (for example, ARS number) Number information for payment authentication, important setting number information, and the like. It is preferable that the call-out exception number is a full matching number in which all numbers are matched. However, the number is not necessarily limited to this, but the number of the number may be changed, ).

2 is a block diagram schematically showing the selective call switching control apparatus according to the present embodiment.

The selective call control apparatus 200 according to the present embodiment includes a communication unit 210, a call switching information storage unit 220, a subscription service confirmation unit 230, and a call connection control unit 240. The selective call control device shown in FIG. 2 is according to one embodiment, and thus not all of the blocks shown in FIG. 1 are required, and in other embodiments, some of the blocks may be added, changed or deleted.

The communication unit 210 receives the call connection request signal generated by the originating terminal 110 from the originating base station 122. In addition, the communication unit 210 receives the call transfer exception number from the computer information processing device 150. [ Here, the call transfer exception number is transmitted to the call transfer information storage unit 220.

The call transfer information storage unit 220 stores the call transfer exception number acquired by the communication unit 210. [ Here, the call transfer information storage unit 220 may be implemented as a database having a general data structure implemented in a storage space (hard disk or memory) of a computer system using a database management program (DBMS) And can be implemented in any module or device as long as it is free to store, delete, and modify the transfer exception number.

The call transfer information storage unit 220 according to the present embodiment stores the call transfer exception number in the exception number list and transmits the exception number list to the call connection control unit 240. [ 2, the call transfer information storing unit 220 stores only the call transfer exception number in the exception number list. However, the call transfer information storing unit 220 does not necessarily need to store the call transfer exception number in the exception number list, You can also delete and modify numbers.

The subscription service confirming unit 230 performs an operation of confirming the call transfer service to which the terminating terminal 112 subscribes based on the call connection request signal acquired by the communication unit 210. [ The subscription service confirming unit 230 according to the present embodiment checks whether the call connection service to which the call receiving terminal 112 corresponding to the called party number information included in the call connection request signal is a call forwarding service or an automatic connection service . Here, the call forwarding service among the call forwarding services to which the call receiving terminal 112 subscribes refers to a service for switching call connection to the call forwarding terminal 114 unconditionally for all calls received by the caller terminal 112. The automatic connection service of the call connection service to which the call receiving terminal 112 subscribes connects the call to the call receiving terminal 112. When the call receiving terminal 112 is in a state in which the call connection can not be performed The call connection is switched to the call forwarding terminal 114 only when the call connection is not established,

The subscriber's service confirming unit 230 confirms at least one of the call forwarding service and the automatic connection service to the subscriber terminal 112 to generate subscription service confirmation information and transmits the generated subscription service confirmation information to the call connection control unit 240).

The call connection control unit 240 performs an operation of controlling the call connection based on the exception number list and the subscription service confirmation information. The call connection control unit 240 according to the present embodiment controls the call to be transferred to the call receiving terminal 112 or the call transfer terminal 114 based on the exception number list and the subscription service confirmation information.

The call connection control unit 240 determines whether a call connection is established according to whether caller's number information for the calling terminal 110 is included in the exception number list when the called terminal 112 subscribes to the call forwarding service based on the subscription service confirmation information . In more detail, if the calling terminal 112 uses the call forwarding service on the basis of the subscription service confirmation information and the calling number information is included in the exception number list, the call connection control unit 240 sets the security ranking for the calling number information And controls the call to be transferred only to the called terminal 112 without performing call forwarding.

On the other hand, if the calling terminal 112 uses the call forwarding service based on the subscription service confirmation information and the calling number information is not included in the exception number list, the call connection control unit 240 determines that the security ranking for the calling number information is high And controls the call for the terminating terminal 112 to be switched to the call for the call terminating terminal 114 so as to be connected.

The call connection control unit 240 controls the calling terminal 112 to transmit a call to the called terminal 112 when the called terminal 112 joins the automatic connection service based on the subscription service confirmation information, The call connection is controlled according to whether or not the calling number information for the calling terminal 110 is included in the exception number list. The call connection control unit 240 controls the calling terminal 112 to transmit a call to the called terminal 112 when the called terminal 112 uses the automatic connection service based on the subscription service confirmation information, The incoming call number information is confirmed in the exception number list when the incoming impossible condition information is received due to the inaccessible state such as the power OFF state, the non-answer state, the busy state, the location unidentified state, Here, if the calling number information is included in the exception number list, the call connection control unit 240 recognizes that the security level of the calling number information is high, and terminates the call connection to the terminating terminal 112 without performing the call forwarding . Meanwhile, if the calling number information is not included in the exception number list, the call connection control unit 240 recognizes that the security level of the calling number information is not high and controls the call connection to be switched to the call switching terminal 114 .

Also, the call connection control unit 240 controls the calling terminal 112 to use the automatic connection service and transmit the call to the called terminal 112 based on the subscription service confirmation information, and when the call is connected, the calling terminal 110 And can provide a call service between the called terminals 112.

3 is a flowchart for explaining a selective call switching control method according to the present embodiment.

The selective call switching control device 200 acquires the call transfer exception number and stores it in the exception number list (S310).

The selective call switching control apparatus 200 obtains a call connection request signal from the calling terminal 110 (S320).

The selective call switching control device 200 confirms the call transfer service to which the terminating terminal 112 subscribes (S330). The selective call switching control device 200 checks at least one call transfer service among the call forwarding service and the automatic connection service to which the terminating terminal 112 subscribes based on the call destination number included in the call connection request signal, Lt; / RTI > Here, the call forwarding service refers to a service for switching call connection to the call forwarding terminal 114 unconditionally for all calls received by the caller terminal 112, and the automatic connection service connects calls to the caller terminal 112 The call connection is switched to the call forwarding terminal 114 only when the call terminating terminal 112 can not perform call connection.

The selective call switching control device 200 confirms the call transfer service to which the call receiving terminal 112 is subscribed and checks whether the call transfer service to which the call receiving terminal 112 subscribes is an automatic connection service (S340) If the call transfer service is an automatic connection service, an attempt is made to connect an outgoing call to the terminating terminal 112 (S350). Here, if the call is connected to the terminating terminal 112 (S360), the selective call switching control apparatus 200 provides a call service between the terminating terminal 110 and the terminating terminal 112. [ Meanwhile, when the call is not connected to the receiving terminal 112 (S360), if the incoming impossible condition information of the receiving terminal 112 is not received (S370), the calling number information is confirmed in the exception number list S380). Here, the termination impossible condition information may include condition information on a power OFF state, a non-response state, a busy state, an unspecified state, and the like.

If the calling number information is included in the exception number list, the selective call switching control device 200 recognizes that the security level of the calling number information is high and terminates the call connection to the terminating terminal 112 without performing the call forwarding (S390).

On the other hand, if the calling number information is not included in the exception number list, the selective call switching control device 200 recognizes that the security level of the calling number information is not high and transmits a call to the calling terminal 112 to the call termination terminal 114) (S382).

The selective call switching control device 200 determines whether the call transfer service to which the call receiving terminal 112 is subscribed is an automatic connection service in step S340 and determines whether the call transfer service to which the call receiving terminal 112 subscribes It is confirmed whether or not it is a call forwarding service (S342).

According to the result of the check in step S342, the selective call transfer control device 200 recognizes that the call transfer service to which the terminating terminal 112 is subscribed is not the call terminating service and connects the call to the terminating terminal 112 do.

On the other hand, according to the result of the check in step S342, the selective call switching control device 200 checks whether the calling number information is included in the exception number list if the call switching service to which the calling terminal 112 is subscribed is a call forwarding service S344). If the calling number information is included in the exception number list, the selective call switching control device 200 recognizes that the security number of the calling number information is high and connects the call only to the terminating terminal 112 without performing call forwarding (S346 ).

On the other hand, if the calling number information is not included in the exception number list, the selective call switching control device 200 recognizes that the security level of the calling number information is not high and transmits a call to the calling terminal 112 to the call termination terminal 114) (S345).

3, it is described that steps S310 to S390 are sequentially executed. However, this is merely an exemplary description of the technical idea of the present embodiment, and it is obvious to those skilled in the art that the present embodiment It will be understood that various modifications and changes may be made to the method of the present invention without departing from the essential characteristics and by implementing one or more of the steps S310 to S390 in parallel, But is not limited thereto.

The foregoing description is merely illustrative of the technical idea of the present embodiment, and various modifications and changes may be made to those skilled in the art without departing from the essential characteristics of the embodiments. Therefore, the present embodiments are to be construed as illustrative rather than restrictive, and the scope of the technical idea of the present embodiment is not limited by these embodiments. The scope of protection of the present embodiment should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

As described above, the present embodiment is applied to an area for switching an incoming call, thereby enhancing the security of the call transfer function and causing a problem of malicious forcible call forwarding and password hijacking to be prevented in advance It is a useful invention.

110: originating terminal 112: incoming terminal
114: call forwarding terminal 120: base station
130: Communication exchange 140: Home location register
150: computerized information processing device 200: selective call switching control device
210: communication unit 220:
230: subscription service confirmation unit 240: call connection control unit

Claims (12)

A communication unit for obtaining a call transfer exception number from the computerized information processing apparatus and receiving a call connection request signal from the caller terminal;
A call transfer information storage unit for storing the call transfer exception number in an exception number list;
A subscription service checking unit for checking the call connection service subscribed by the called terminal based on the called party number information included in the call connection request signal to generate subscription service checking information; And
A call connection control unit for determining whether or not the calling number information for the calling terminal is included in the exception number list based on the subscription service confirmation information,
Wherein the selective call switching control device comprises:
The method according to claim 1,
The call-
Wherein the number information includes at least one of a full matching number in which all numbers are matched and a prefix number in which only a part of numbers is fixed and the remaining numbers are changeable. Switching control device.
The method according to claim 1,
The subscription service checking unit,
Wherein the called terminal generates the subscription service confirmation information by confirming whether or not to join at least one of the automatic connection service and the call transfer service to the call transfer service.
The method of claim 3,
The call connection control unit,
When the called terminal uses the call forwarding service, controls to forward the call corresponding to the calling number information to the called terminal without using the call forwarding service if the calling number information is included in the exception number list Wherein the selective call switching control device comprises:
The method of claim 3,
The call connection control unit,
If the calling terminal uses the call forwarding service, if the calling number information is not included in the exception number list, control is performed to transmit a call corresponding to the calling number information to the call forwarding terminal using the call forwarding service Wherein the selective call switching control device comprises:
The method of claim 3,
The call connection control unit,
And controlling the call destination to transmit the call to the called terminal when the called terminal uses the automatic connection service, and when the termination impossible condition information due to the call disabled state of the called terminal is received, the calling number information is checked in the exception number list And the call transfer control unit controls the call transfer.
The method according to claim 6,
The call connection control unit,
And controls to terminate a call to the called terminal based on the calling number information without using the automatic connection service if the calling number information is included in the exception number list.
The method according to claim 6,
The call connection control unit,
And controls to transmit a call corresponding to the calling number information to the call forwarding terminal using the automatic connection service if the calling number information is not included in the exception number list.
Acquiring a call transfer exception number from the computer information processing apparatus and storing the call transfer exception number in an exception number list;
Receiving a call connection request signal from a calling terminal;
A subscription service checking step of checking the call connection service subscribed by the called terminal based on the called party number information included in the call connection request signal to generate subscription service checking information; And
A call connection control process for controlling the call transmission by determining whether the calling number information for the calling terminal is included in the exception number list based on the subscription service confirmation information
Wherein the selective call switching control method comprises the steps of:
10. The method of claim 9,
The subscription service checking process includes:
Wherein the called terminal generates the subscription service confirmation information by checking whether at least one of the automatic connection service and the call forwarding service is subscribed to the call transfer service.
11. The method of claim 10,
The call connection control process includes:
And controlling the call destination to transmit the call to the called terminal when the called terminal uses the automatic connection service, and when the termination impossible condition information due to the call disabled state of the called terminal is received, the calling number information is checked in the exception number list And the call transfer control means controls the call transfer.
11. The method of claim 10,
The call connection control process includes:
And when the called terminal uses the call forwarding service, checking the call number information in the exception number list to control call transfer.
KR20130118789A 2013-10-04 2013-10-04 Method and Apparatus for Controlling Selective Call Forwarding KR20150040156A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180045160A (en) * 2016-10-25 2018-05-04 에스케이텔레콤 주식회사 Method for providing of ars service, apparatus and system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180045160A (en) * 2016-10-25 2018-05-04 에스케이텔레콤 주식회사 Method for providing of ars service, apparatus and system thereof

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