KR102145371B1 - Call system, mobile robot and method for processing termination call in the mobile robot - Google Patents

Abstract

Disclosed are a call system for processing an incoming call by classifying each user when several users receive an incoming call using a single mobile robot, and a mobile robot and a method for processing an incoming call for the same. According to an aspect of the present invention, a method for processing an incoming call by a robot includes storing mapping information of voice characteristics and unique identification information for each user; Receiving an incoming call including unique identification information from a communication network; Extracting a voice feature from the mapping information using the unique identification information included in the called call; And voice guiding reception of an incoming call based on the extracted voice features.

Description

Call system, mobile robot, and incoming call processing method of mobile robot {CALL SYSTEM, MOBILE ROBOT AND METHOD FOR PROCESSING TERMINATION CALL IN THE MOBILE ROBOT}

The present invention relates to a robot, and more particularly to a mobile robot having a call function.

The main purpose of the mobile robot is to recognize the environment around the mobile robot using various sensors mounted on the robot, and to avoid obstacles to drive to the destination. These mobile robots are spreading to homes as a pet robot concept. Mobile robots have built-in emotion analysis functions and TTS (TEXT TO SPEECH) functions to analyze and react to the user's emotions and have a function to communicate with the user.

By adding a communication function to such a mobile robot, a call service using a mobile robot is provided. A phone number is assigned to a mobile robot, and the mobile robot can connect to an external Internet network or connect to a wireless mobile communication network to send or receive calls. In particular, since the mobile robot has a travel function, the mobile robot follows the user and moves even if the user does not carry the mobile robot, so that the user can make a call using the mobile robot while moving.

As a technology related to a mobile robot having such a call function, Korean Patent No. 10-0619744 may be mentioned. Korean Patent No. 10-0619744 is a mobile robot equipped with a mobile communication terminal, and when an incoming call occurs, the mobile robot automatically provides the caller information to the user, allowing the user to selectively make a call. The mobile robot follows the user and moves, thereby improving the user's convenience.

However, such a mobile robot is merely an implementation of a mobile means in an existing mobile communication terminal. Typically, in homes or offices, there are many cases in which several people share a single phone. For example, in the home, family members share a home phone in addition to their personal mobile terminal. And in the office, office workers use the main office phone in common in addition to personal terminals. Therefore, when a mobile robot is used for a call in a home or office, multiple users will use a single mobile robot to use a call service.

As described above, when multiple users use one mobile robot for common use, there is a problem in that it is difficult to know which user the call is to when a call is received.

Domestic Registration Patent No. 10-0619744 (announced on September 12, 2006)

The present invention has been proposed in order to solve the above problems, and when several users receive an incoming call using a single mobile robot, a call system for processing an incoming call by classifying each user, and a mobile robot and mobile robot for the same Its purpose is to provide a method for handling incoming calls of robots.

According to an aspect of the present invention for achieving the above object, a method for processing an incoming call by a robot includes: storing mapping information of voice characteristics and unique identification information for each user; Receiving an incoming call including unique identification information from a communication network; Extracting a voice feature from the mapping information using the unique identification information included in the called call; And voice guiding reception of an incoming call based on the extracted voice features.

The method may further include, after the storing step, transmitting and registering unique identification information for each user and mapping information of a calling party phone number to the communication network.

The registering may include generating the mapping information by analyzing a user's call list and a user's voice during a call.

The method includes the steps of storing map information including user-specific identification information and location information before the voice guidance step; Checking location information in the map information using the unique identification information included in the incoming call; And moving to a location corresponding to the identified location information.

According to an aspect of the present invention for achieving the above object, a robot for processing an incoming call includes: a storage unit for storing mapping information of voice characteristics and unique identification information for each user; A communication unit for receiving an incoming call including unique identification information from a communication network; And a control unit for extracting a voice feature from the mapping information using the unique identification information included in the called call, and voice guidance on reception of the called call using the extracted voice feature.

The control unit may register by transmitting unique identification information for each user and mapping information of a calling party phone number to the communication network.

The controller may generate the mapping information by analyzing a user's call list and a user's voice during a call.

The robot further includes a moving means, wherein the storage unit stores map information including user-specific identification information and location information, and the control unit uses the unique identification information included in the incoming call. The location information may be checked in the map information, and the moving means may be controlled to move to a location corresponding to the identified location information, thereby providing voice guidance.

A call system according to another aspect of the present invention for achieving the above object stores unique identification information for each user and mapping information of the calling party's phone number, and the mapping by using the calling phone number of the called call when receiving an incoming call. A call processing device that extracts the user's unique identification information from the information, and transmits an incoming call including the extracted unique identification information; And storing the mapping information of the voice characteristic and unique identification information for each user, and using the unique identification information included in the incoming call received from the call processing device, the voice characteristic in the mapping information of the voice characteristic and the unique identification information for each user. And a robot that extracts and guides the reception of an incoming call with the extracted voice feature.

The call processing device may receive and store the mapping information of the unique identification information for each user and the calling party phone number from the robot.

The robot may analyze a user's call list and a user's voice during a call to generate the unique identification information for each user and mapping information of the calling party's phone number.

The robot stores map information including user-specific identification information and location information, checks the location information in the map information using the unique identification information included in the incoming call, and responds to the confirmed location information. You can move to the location you want and give voice guidance.

In the present invention, when a call is received by a mobile robot, the user notifies that a call has been received by the voice of a user who will receive the call so that the users can easily recognize that the call has been received.

In addition, according to the present invention, the mobile robot automatically extracts voice characteristics of a plurality of users and registers them to provide a call service, thereby solving the inconvenience of users having to register their own information.

1 is a diagram showing the configuration of a call system using a mobile robot according to an embodiment of the present invention.
2 is a diagram illustrating a call history of a mobile robot and a phone number table stored in a phone number database according to an embodiment of the present invention.
3 is a diagram showing the configuration of a mobile robot according to an embodiment of the present invention.
4 is a flowchart illustrating a method of registering a calling party phone number for each user according to an embodiment of the present invention.
5 is a flowchart illustrating a call receiving method in a call system using a mobile robot according to an embodiment of the present invention.

The above-described objects, features, and advantages will become more apparent through the following detailed description in connection with the accompanying drawings, whereby those of ordinary skill in the technical field to which the present invention pertains can easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram showing the configuration of a call system using a mobile robot according to an embodiment of the present invention.

Referring to FIG. 1, the call system according to the present embodiment includes a mobile robot 110 and a call processing device 130 in a communication network.

The mobile robot 110 is a device equipped with a moving means and a call function, and a phone number is assigned, and when an incoming call is received from the call processing device 130, a user who informs the phone by voice and informs the location Go to and enable a call with the caller.

The mobile robot 110 stores mapping information of voice characteristics and unique identification information for each user. Users here are users, for example family members. Specifically, the mobile robot 110 allocates unique identification information to a user who uses a call service, extracts the voice characteristic of the user, and stores it in a mapping table together with the unique identification information.

The mobile robot 110 can recognize voice commands issued by users to the mobile robot 110 to extract voice features, or recognize the voice of a call when users make a call using the mobile robot 110 Features can also be extracted. Alternatively, the mobile robot 110 may directly receive a voice from a user and extract voice features.

The mobile robot 110 transmits and registers the call-party phone number information for each user to the call processing device 130. The mobile robot 110 transmits and registers the unique identification information of users and mapping information of the calling party's phone number to the call processing device 130. When users send or receive a call using the mobile robot 110, the mobile robot 110 transmits the calling phone number or the called phone number and the user's unique identification information to the call processing device 130 Register. That is, the mobile robot 110 analyzes the call history, transmits the call partner phone number information for each user to the call processing device 130 and registers it.

The mobile robot 110 receives a caller's phone number when a call is received from the call processing device 130 and unique identification information of a user who will receive the incoming call. The mobile robot 110 uses the received unique identification information to extract a voice characteristic of a user who will receive a corresponding incoming call from the user-specific voice characteristic and mapping information of the unique identification information. The mobile robot 110 outputs a guide voice notifying that a call has arrived by using the extracted voice feature, and makes a call connection when the user answers.

The mobile robot 110 stores map information including user-specific identification information and location information. Here, the map information includes a map of a house or company. When an incoming call is received, the mobile robot 110 checks the location of the user to be called from the map information using the user's unique identification information included in the incoming call, and moves to the corresponding location to indicate that a call has been received by the user's voice characteristic. Outputs an announcement voice guidance.

The call processing device 130 may be an AS of a mobile switching center (MSC) or an IP multimedia subsystem (IMS) of a communication network. The call processing device 130 includes a subscriber database 131 and a phone number database 133.

The subscriber database 131 stores information on the mobile robot 110 subscribed to the service according to the present invention, specifically a phone number. The phone number database 133 stores unique identification information of users and mapping information of the calling party phone number for each mobile robot 110 subscribed to the service, and specifically, for each phone number of the mobile robot 110.

2 is a diagram illustrating a call history of a mobile robot and a phone number table stored in a phone number database according to an embodiment of the present invention.

Figure 2 (a) shows the call history of the mobile robot 110, as shown in Figure 2 (a), the mobile robot 110, users send a call from the mobile robot 110, Or, when a call is received by the mobile robot 110, a user who records the calling phone number or called phone number at the time of outgoing or receiving the call while simultaneously recognizing the user's voice characteristics and responding to the voice characteristics It records the unique identification information of the corresponding call originating or incoming call. In addition, the mobile robot 110 transmits and registers the calling party phone number for each user to the call processing device 130 according to the call details.

2B is a table of phone numbers stored in the phone number database 133, which is created based on the phone number of each user to be called by the mobile robot 110. The phone number table includes a field 210 in which the phone number of the mobile robot 110 is recorded, a field 230 in which user-specific identification information is recorded, and a field 250 in which the phone number of the calling party is recorded. In FIG. 2, unique identification information of a total of four users is mapped to the mobile robot 110 to which the phone number of 070-777-7777 is assigned. In addition, two phone numbers, that is, 010-111-1111 and 010-6666-6666, are mapped to the calling party phone number of the user whose unique identification information is ID_1 among the four users. That is, phone numbers 010-111-1111 and 010-6666-6666 are the calling parties of the user whose unique identification information is ID_1. In this way, the subscriber database 131 stores the unique identification information of users and the calling party phone number for each phone number of the mobile robot 110.

When the call processing device 130 receives the calling party phone number for each user from the mobile robot 110, the call processing device 130 records the calling party phone number for each user in the phone number table of the phone number database 133.

When an incoming call is received, the call processing device 130 checks whether the called phone number is subscribed to the service by referring to the subscriber database 131 using the called phone number.

When the called phone number is subscribed to the service, the call processing device 130 extracts unique identification information of a user who will receive the called call from the phone number database 133 using the calling phone number from which the called call was sent. Specifically, the call processing apparatus 130 selects data corresponding to the called phone number from the phone number table stored in the phone number database 133 and then extracts unique identification information of a user whose calling party is the calling phone number.

The call processing device 130 transmits a call incoming signal including the extracted user's unique identification information to the mobile robot 110. Accordingly, the mobile robot 110 can output a guide message informing that a call has been received using the user's unique voice using the user's unique identification information included in the call incoming signal.

3 is a diagram showing the configuration of a mobile robot according to an embodiment of the present invention.

3, the mobile robot 110 includes a camera unit 301, a display unit 305, a call unit 307, a speaker 309, a microphone 311, a storage unit 313, a sensor 315, and It includes a moving means 317, a control unit 319 and a communication unit 321.

The camera unit 301 photographs a surrounding situation or a user. The camera unit 301 may capture an image of a user during a video call.

The display unit 305 is a display means for displaying an image, including a liquid crystal display panel (LCD), an organic light emitting diode display panel (OLED), and a plasma display panel (PDP). ), etc. The display unit 305 may display an image of the calling party received from the calling party in a video call and an image of a user photographed by the camera unit 301.

The call unit 307 processes a voice call signal. The call unit 307 processes the user's voice input through the microphone 311 and transmits it to the control unit 319, and processes the voice of the calling party transmitted from the control unit 319 and outputs it through the speaker 309. .

The storage unit 313 stores map information and user information. The map information includes map information of a space within a house or company and location information of a user in an area within the house or company. User information is mapping information between voice characteristics and unique identification information for each user.

The sensor 315 is an obstacle sensor such as a proximity sensor, a light amount detection sensor to detect surrounding brightness, a temperature sensor to detect surrounding temperature, a touch sensor to detect contact with a human, and a user's voice recognition. And a voice recognition sensor.

The moving means 317 moves the moving robot 110 including a motor and a wheel. In addition, the control unit 319 controls the operation of the mobile robot 110 as a whole.

Specifically, the control unit 319 recognizes the user's voice using the voice recognition sensor included in the sensor 315, and assigns unique identification information to the voice characteristic according to the recognized voice to the storage unit 313. Save it. In addition, the controller 319 stores the user's location information and map information in which the user's unique identification information is mapped in the storage unit 313. The user's location may be determined as a location where the user's voice was spoken.

In addition, the control unit 319 analyzes the call details made through the call unit 307 and transmits and registers the calling party phone number for each user to the call processing device 130 through the communication unit 321. The control unit 319 transmits the unique identification information of users and the calling party phone number to the call processing device 130.

In addition, when the control unit 319 receives the caller's phone number and the unique identification information of the user who will receive the incoming call from the call processing device 130, the storage unit 313 uses the received unique identification information. The voice feature of the user who will receive the corresponding incoming call is extracted from the mapping information of each user's voice feature and unique identification information stored in. The controller 319 outputs a guide voice notifying that a call has arrived through the speaker 309 using the extracted voice feature, and establishes a call connection when the user answers.

When receiving a call, the control unit 319 checks the user's location information in the storage unit 313 using the user's unique identification information included in the incoming call, and then drives the moving means 317 to move to the place where the user is located. Thus, it is possible to output a guide voice notifying that a call has arrived.

The communication unit 321 transmits and receives electromagnetic waves. The communication unit 321 converts electrical signals into electromagnetic waves or vice versa, and communicates with a communication network and other mobile gateways and communication devices through the electromagnetic waves. The communication unit 321 includes, for example, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chipset, a subscriber identity module (SIM) card, a memory, etc. It may include well-known circuitry for performing this function, which is not available.

The communication unit 321 is used for the Internet, an intranet and a network and/or a cellular telephone network, a wireless LAN and/or a wireless network such as a metropolitan area network (MAN), and wireless communication called the World Wide Web (WWW). It can communicate with other devices. Wireless communication includes Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), wideband code division multiple access (WCDMA), code division multiple access (CDMA), time division multiple access (TDMA), Bluetooth, and Wireless Fidelity (Wi-Fi) (e.g. IEEE802.11a, IEEE802.11b, IEEE802.11g and/or IEEE802.11n), voice over Internet Protocol (VoIP), Wi-MAX, email, instant messaging (instant messaging) and/or short text service (SMS) protocols or other suitable communication protocols including, but not limited to, communication protocols not yet developed at the time of filing of this application. Any of the techniques can be used.

4 is a flowchart illustrating a method of registering a calling party phone number for each user according to an embodiment of the present invention.

Referring to FIG. 4, the call processing device 130 receives an incoming call to the mobile robot 110 (S401). In this embodiment, it is assumed that the phone number of the mobile robot 110 is 070-7777-7777, and the outgoing phone number that sends a call to the mobile robot 110 is 010-1111-1111.

The call processing device 130 receiving the incoming call checks whether the called party has subscribed to the service in the subscriber database 131 using the called phone number included in the incoming call (S403). The subscriber database 131 stores the telephone number of the subscriber who has subscribed to the service, and therefore, the call processing device 130 determines whether or not the subscriber database 131 has the subscriber's telephone number included in the incoming call. You can check.

When the called party is subscribed to the service, the call processing device 130 checks the unique identification information of the user who will receive the call in the phone number database 133 by using the calling phone number included in the called call (S405). However, in this embodiment, it is assumed that the calling phone number is not stored in the phone number database 133. Accordingly, the call processing device 130 receives a non-registered response of the unique identification information from the phone number database 133 (S407).

Receiving the unregistered response, the call processing device 130 transmits an incoming call that does not include the unique identification information of the user to be called to the mobile robot 110 (S409). When the call processing device 130 is an AS of the IMS network, the call processing device 130 transmits an INVITE message to the mobile robot 110. An example of an INVITE message that does not include the user's unique identification information is as follows. If you look at the INVITE message below,'unregistered' is recorded in'P-KT-Callee-Info'.

Upon receiving the incoming call, the mobile robot 110 rings an incoming bell, that is, a ring (S411). At this time, the mobile robot 110 may output a calling phone number or a name corresponding to the calling phone number registered in the phone book as a voice. After that, some of the family members answer the phone (S413). The mobile robot 110 may output a calling phone number or a name corresponding to the calling phone number as a voice, and then move to a location where the voice of a user who wants to receive a call is spoken. Upon receiving the call, the mobile robot 110 transmits a call response to the call processing device 130 (S415). Here, the call response may be a 180 Ringing/200OK message.

After the phone is connected in this way or after the call is terminated after the phone is connected, the mobile robot 110 analyzes the voice of the user who received the call, extracts the voice characteristic, and allocates and stores the user's unique identification information (S417). ). If the user's unique identification information and voice characteristics are already stored, this step may not be performed.

Subsequently, the mobile robot 110 transmits a request for registration of a calling party phone number to the call processing device 130 (S419). The caller's phone number registration request includes the phone number (070-7777-7777) of the mobile robot 110, the calling phone number (010-1111-1111), and unique identification information assigned to the user who received the call (this embodiment ID_1) is included. The call party phone number registration request may be an INFO message of the SIP protocol, and an example is as follows.

The call processing device 130 receiving the call party phone number registration request uses the phone number of the mobile robot 110 included in the call party phone number registration request and the user's unique identification information to the phone number database 133. The calling phone number is registered (S419). If the user's unique identification information is already registered in the phone number database 133, only the calling phone number is additionally mapped and stored in the user's unique identification information, and the user's unique identification information is registered in the phone number database 133 If not, the unique identification information of the user and the calling phone number are mapped to the phone number of the mobile robot 110. Accordingly, when a call is received from the corresponding calling phone number, the user's unique identification information is obtained from the phone number database 133.

5 is a flowchart illustrating a call receiving method in a call system using a mobile robot according to an embodiment of the present invention.

Referring to FIG. 5, the call processing apparatus 130 receives an incoming call to the mobile robot 110 (S501). In this embodiment, it is assumed that the phone number of the mobile robot 110 is 070-7777-7777, and the outgoing phone number that sends a call to the mobile robot 110 is 010-1111-1111.

The call processing device 130 receiving the incoming call checks whether the called party has subscribed to the service in the subscriber database 131 by using the called phone number included in the incoming call (S503). The subscriber database 131 stores the telephone number of the subscriber who has subscribed to the service, and therefore, the call processing device 130 determines whether or not the subscriber database 131 has the subscriber's telephone number included in the incoming call. You can check.

When the called party is subscribed to the service, the call processing device 130 checks the unique identification information of the user who will receive the call in the phone number database 133 using the calling phone number included in the called call (S505). In this embodiment, it is assumed that the father's unique identification information of the family using the mobile robot 110 is ID_1, and the calling phone number is assumed to be the call partner of the father. Accordingly, in the telephone number database 133, the calling telephone number, that is, 010-1111-1111, is registered as the calling party telephone number in ID_1, which is the father's unique identification information.

Therefore, the call processing apparatus 130 receives the father's unique identification information ID_1 from the telephone number database 133 (S507).

Upon receiving the father's unique identification information ID_1, the call processing device 130 transmits an incoming call including the unique identification information ID_1 and the calling phone number to the mobile robot 110 (S509). When the call processing device 130 is an AS of the IMS network, the call processing device 130 transmits an INVITE message to the mobile robot 110. An example of an INVITE message including ID_1, the father's unique identification information, is as follows. If you look at the INVITE message below, '070-7777-7777, ID_1, 010-1111-1111' is recorded in'P-KT-Callee-Info'.

Upon receiving the incoming call, the mobile robot 110 checks the location of the father from the map information based on the father's unique identification information included in the incoming call (S511), and moves to the confirmed location (S513). Then, the mobile robot 110 extracts the father's voice feature using the father's unique identification information, and notifies the voice that a call has been received according to the extracted voice feature (S515). Accordingly, the father receives the phone call (S517), and a call response is transmitted from the mobile robot 110 to the call processing device 130 (S519).

The method of the present invention as described above may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form.

While this specification includes many features, such features should not be construed as limiting the scope or claims of the invention. In addition, features described in separate embodiments herein may be combined and implemented in a single embodiment. Conversely, various features described in a single embodiment herein may be individually implemented in various embodiments, or may be implemented in an appropriate subcombination.

Although the operations have been described in a specific order in the drawings, it should not be understood that such operations are performed in a specific order as shown, or as a series of consecutive orders, or that all described operations are performed to obtain a desired result. . In some circumstances, multitasking and parallel processing can be advantageous. In addition, it should be understood that classification of various system components in the above-described embodiments does not require such classification in all embodiments. The above-described program components and systems may generally be implemented as a package in a single software product or multiple software products.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those of ordinary skill in the technical field to which the present invention belongs. It is not limited by the drawings.

110: robot 130: call processing device
131: subscriber DB 133: phone number DB
301: camera unit 305: display unit
307: call unit 309: speaker
311: microphone 313: storage unit
315: sensor 317: means of movement
321: Communication Department

Claims (12)

In the incoming call processing method of the robot,
Storing first mapping information of voice characteristics and unique identification information for each user;
Registering by transmitting unique identification information for each user and second mapping information of the calling party phone number to the communication network
Incoming call including the caller's phone number and the searched user's unique identification information from the communication network retrieved from the second mapping information for the user's unique identification information having the calling party phone number corresponding to the caller's phone number included in the called call Receiving a call;
Extracting a voice feature from the first mapping information using the unique identification information of the user included in the incoming call; And
Incoming call processing method of a robot comprising; voice guiding the reception of the incoming call with the extracted voice feature. delete The method of claim 1,
The registering step,
And generating the second mapping information by analyzing a user's call list and a user's voice during a call. The method of claim 1 or 3,
Before the voice guidance step,
Storing map information including user-specific identification information and location information;
Checking location information in the map information using the unique identification information included in the incoming call; And
Incoming call processing method of a robot comprising; moving to a location corresponding to the identified location information. In the robot that handles incoming calls,
A storage unit for storing first mapping information of voice characteristics and unique identification information for each user;
A control unit that transmits and registers user-specific identification information and second mapping information of a calling party's phone number through a communication network; And
Incoming call including the caller's phone number and the searched user's unique identification information from the communication network retrieved from the second mapping information for the user's unique identification information having the calling party phone number corresponding to the caller's phone number included in the called call Includes; a communication unit for receiving a call,
The control unit,
A robot that extracts a voice feature from the first mapping information using the unique identification information of the user included in the incoming call, and provides voice guidance on reception of an incoming call with the extracted voice feature. delete The method of claim 5,
The control unit,
The robot, characterized in that for generating the second mapping information by analyzing the user's call list and the user's voice during a call. The method according to claim 5 or 7,
It further includes;
The storage unit stores map information including user-specific identification information and location information,
The control unit is characterized in that the control unit checks the location information in the map information using the unique identification information included in the incoming call, and controls the moving means to move to a location corresponding to the identified location information and provide voice guidance. Robot. The user's unique identification information and the second mapping information of the calling party's phone number are received from the robot and stored, and when an incoming call is received, the user's unique identification information is extracted from the second mapping information using the originating phone number of the incoming call. A call processing device for transmitting an incoming call including the extracted user's unique identification information and a caller's phone number to the robot; And
Stores the first mapping information of the voice characteristic and unique identification information for each user, and extracts the voice characteristic from the first mapping information using the unique identification information of the user included in the incoming call received from the call processing device, And the robot for voice guidance on reception of an incoming call based on the extracted voice feature. delete The method of claim 9,
The robot,
And generating the second mapping information of the user-specific identification information and the calling party phone number by analyzing the user's call list and the user's voice during a call. The method of claim 9 or 11,
The robot,
Stores map information including user-specific identification information and location information, checks the location information in the map information using the unique identification information included in the incoming call, and moves to a location corresponding to the identified location information Call system, characterized in that the voice guidance.

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