CROSS REFERENCE TO RELATED APPLICATIONS

This application is a National Stage of International Application No. PCT/JP2020/006621 filed Feb. 19, 2020, claiming priority based on Japanese Patent Application No. 2019-058981 filed Mar. 26, 2019, and Japanese Patent Application No. 2020-004124 filed Jan. 15, 2020, the entire contents of which are hereby incorporated by reference.

TECHNICAL FIELD

The present disclosure relates to a portable terminal device, an incoming call screen display method, and a program.

Further, the present disclosure relates to a portable terminal device, an incoming call history display method, and a program.

BACKGROUND ART

A nurse call system which enables telephone conversations between a nurse call extension unit and a portable terminal device carried by a medical worker such as a doctor and a nurse is known. The nurse call system includes a nurse call extension unit (call button), a nurse call base unit, a private branch exchange (PBX), and a Personal Handy-Phone System (PHS) terminal under control of the PBX. A nurse carries a PHS terminal and responds to a nurse call of a patient. When there is a nurse call, the PHS terminal displays a patient name and an extension number. In this case, the nurse can recognize where the call was made from and respond to it.

With the improvement of the radio wave environment of Wi-Fi, the linkage with electronic medical records, and the downsizing of the PHS business, there is an increasing demand for replacing PHS terminals, which are terminals carried by nurses, with smartphones and enabling nurses to respond to a nurse call using the smartphones. Further, there is a need for a medical worker to display an incoming call screen including patient information related to symptoms of a patient on a portable terminal device when an incoming call is received on the portable terminal device side. In this connection, Patent Literature 1 discloses a nurse call system in which a portable terminal device such as a smartphone is used.

In Patent Literature 1, a patient calls a medical worker by pressing a call button provided on a nurse call extension unit. The nurse call extension unit outputs a call signal when a patient presses a call button. The nurse call controller identifies the nurse call extension unit in which the call button is depressed, and refers to the patient information table to acquire the patient name. The nurse call controller transmits the call signal and the patient name to the portable terminal device. The portable terminal device displays an incoming call screen including the extension number of the nurse call extension unit and the patient name on a display screen.

In Patent Literature 1, an incoming call screen is generated by using a telephone directory server. The telephone directory server receives patient information of the patient who presses the call button. The telephone directory server associates the received patient information with an extension number and records it in a telephone directory table. The telephone directory server generates an incoming call screen on the basis of patient information recorded in a telephone directory table and records the incoming call screen. The incoming call screen includes a patient name, an extension number, a medical treatment subject, and a rescue category. The telephone directory server transmits URL (uniform resource locator) information accessible to the recorded incoming call screen to the portable terminal device. The mobile terminal device acquires the incoming call screen from the telephone directory server on the basis of the URL information, and displays the incoming call screen and the call screen in combination on a display screen.

CITATION LIST

Patent Literature

Patent Literature 1: Japanese Unexamined Patent Application Publication No. 2018-86149

SUMMARY OF INVENTION

Technical Problem

In a normal environment, each extension number is often used fixedly by each user. Therefore, in the management of user information (name, e-mail address, etc.) in association with an extension number, there are few use cases in which the user information corresponding to each extension number is frequently changed. However, in the medical field, hospitalization, discharge from hospital, transfer to hospital room, etc. occur according to the situation of the patient. For this reason, the extension number cannot be used in a fixed manner.

In a nurse call system, if the combination of the caller's extension number and patient information is managed for each terminal and the information in the terminal is updated every time the combination is updated, it is necessary to update the information frequently in each terminal. Therefore, when a smartphone terminal is used as a nurse call receiving terminal, it is required, for the nurse call system, that the combination of the caller's extension number and patient information be changed irregularly and the patient information be updated and reflected immediately, as a system requirement. A system that satisfies this requirement can be realized by linking the nurse call terminal with the shared telephone directory linked with the nurse call base unit and the PBX.

Further, the nurse call receiving terminal is desired to have a function of displaying the patient information of the calling patient in response to the received nurse call. For example, when the patient information is displayed on the nurse call receiving terminal, the medical worker can recognize from which patient the nurse call is received and respond to it. In Patent Literature 1, an incoming call screen is generated using a telephone directory server, and the portable terminal device acquires the incoming call screen from the telephone directory server at the time of an incoming call and displays it on a display unit. Thus, the work efficiency of the medical worker can be improved.

By the way, smartphones are divided into two main categories: the iPhone (registered trademark) sold by Apple and the Android (registered trademark) sold by various companies, which is compatible with OS (Operating System), the basic outline of which is regulated by Google. Of these two devices, iPhone devices are particularly in demand in the medical field.

When the iPhone device is used as a nurse call receiving terminal, a VoIP (Voice over Internet Protocol) application for making nurse call telephone conversations can be operated on the iPhone device. However, when the inventors examined the use of an iPhone device as a terminal for receiving a nurse call, the present inventors found that patient information cannot be freely displayed on the receiving screen due to restrictions of the OS.

In the iPhone device, a telephone function application is already installed in the OS, and incoming and outgoing calls of that application are controlled by “CallKit”. A VoIP application (also referred to as a dedicated VoIP application) for making nurse call telephone conversations can use CallKit to control incoming and outgoing calls. However, when CallKit is used, the incoming call screen will be the CallKit call screen. CallKit has a restriction that the character information which can be displayed on the incoming call screen is limited. CallKit also has a restriction that the background color on the incoming call screen cannot be changed.

When a dedicated VoIP application does not use CallKit, an incoming call screen can be freely generated and patient information can be displayed on the incoming call screen when a nurse call arrives. However, without CallKit, if an incoming call occurs in the OS's phone function application during telephone conversations of a dedicated VoIP application, the OS's phone function application takes precedence and the telephone conversation are cut off. Further, when an incoming call is received during the security locking of the terminal, the user must first release the security lock, whereby usability is significantly reduced. Thus, the use of CallKit is essential for the operation of a dedicated VoIP application in order to manage conflicting operations with other telephone conversation applications and to respond to incoming calls when the terminal security is locked.

In Patent Literature 1, a dedicated incoming call screen is displayed on a display unit, and thus a function (framework), such as CallKit, for managing conflicting operations with other telephone conversation application and receiving an incoming call during a terminal security lock cannot be used for receiving a nurse call. Therefore, there is a need for a mechanism that enables the display of patient information or the like while utilizing such a framework when receiving a nurse call.

In one aspect, the present disclosure aims to provide a portable terminal device, an incoming call screen display method, and a program capable of displaying information of a caller or the like when receiving a call even in a situation where a combination of a caller number and a caller can be changed.

In another aspect, the present disclosure aims to provide a portable terminal device, an incoming call history display method, and a program capable of correctly displaying information of a caller at the time of receiving a call in an incoming call history while information of a caller or the like can be displayed when receiving a call.

Solution to Problem

In one aspect, the present disclosure provides a portable terminal device including:

incoming call signal reception means for receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,

image generation means for generating, based on the incoming call signal received by the incoming call signal reception means, a caller information image including at least a portion of the caller information included in the incoming call signal as character information,

telephone dictionary registering means for generating caller text information based on at least one of the caller information and the ring type information, and registering the caller number, the caller text information, and the caller information image in a telephone dictionary managed in the portable terminal device, and

incoming call screen display means for receiving the caller number, acquiring the registered caller text information and the caller information image corresponding to the received caller number from the telephone dictionary, and displaying an incoming call screen including the caller text information and the caller information image.

The present disclosure also provides an incoming call screen display method, including:

receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received, and generating, based on the received incoming call signal, a caller information image including at least a portion of the caller information included in the incoming call signal as character information;

generating caller text information based on at least one of the caller information and the ring type information;

registering the caller number, the caller text information, and the caller information image in a telephone dictionary managed in the portable terminal device;

acquiring the registered caller text information and the caller information image corresponding to the caller number from the telephone dictionary; and

displaying an incoming call screen including the caller text information and the caller information image.

The present disclosure further provides a program causing a processor to execute:

receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received, and generating, based on the received incoming call signal, a caller information image including at least a portion of the caller information included in the incoming call signal as character information,

generating caller text information based on at least one of the caller information and the ring type information,

registering the caller number, the caller text information, and the caller information image in a telephone dictionary managed in the portable terminal device, and

causing a frame work, which is configured to acquire information from the telephone dictionary to generate an incoming call screen and display the incoming call screen, to acquire the registered caller text information and the caller information image corresponding to the caller number from the telephone dictionary, and to display an incoming call screen including the caller text information and the caller information image.

In another aspect, the present disclosure provides a portable terminal device including:

incoming call signal reception means for receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,

telephone dictionary registering means for generating caller text information based on at least one of the caller information and the ring type information, associating the caller number with the caller text information, and registering the caller number and the caller text information in a telephone dictionary managed in the portable terminal device,

incoming call screen display means for receiving the caller number, acquiring the registered caller text information corresponding to the received caller number from the telephone dictionary, and displaying an incoming call screen including the caller text information,

incoming call history recording means for associating the caller number which is a source of a call with the caller text information and storing the caller number and the caller text information in incoming call history information, and

incoming call history display means for displaying an incoming call history including a number of a source of the incoming telephone call and a name of the source of the incoming telephone call,

and wherein:

the telephone dictionary registering means deletes, after the incoming telephone call ends, the caller number which the telephone dictionary registering means registered from the telephone dictionary, and

the incoming call history display means acquires the caller text information from the incoming call history information and displays the acquired caller text information as a name of the source of a call when displaying the incoming call history.

The present disclosure provides an incoming call history display method including:

receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,

generating caller text information based on at least one of the caller information and the ring type information,

registering the caller number and the caller text information in a telephone dictionary managed in the portable terminal device,

acquiring the caller text information corresponding to the registered caller number from the telephone dictionary, and displaying an incoming call screen including the caller text information,

associating the caller number which is a source of a call with the caller text information and storing the caller number and the caller text information in incoming call history information, and

deleting, after the incoming telephone call ends, the registered caller number from the telephone dictionary, and

acquiring, when an incoming call history including a number of a source of the incoming telephone call and a name of the source of the incoming is displayed, the caller text information from the incoming call history information and displaying the acquired caller text information as a name of the source of a call.

The present disclosure provides a program causing a processor to execute:

receiving an incoming call signal including a caller number, caller information, and ring type information when an incoming telephone call is received,

generating caller text information based on at least one of the caller information and the ring type information,

registering the caller number and the caller text information in a telephone dictionary managed in the portable terminal device,

acquiring the registered caller text information corresponding to the caller number from the telephone dictionary, and displaying an incoming call screen including the caller text information,

associating the caller number which is a source of a call with the caller text information and storing the caller number and the caller text information in incoming call history information, and

deleting, after the incoming telephone call ends, the registered caller number from the telephone dictionary, and

acquiring, when an incoming call history including a number of a source of the incoming telephone call and a name of the source of the incoming is displayed, the caller text information from the incoming call history information and displaying the acquired caller text information as a name of the source of a call.

Advantageous Effects of Invention

In one aspect, a portable terminal device, an incoming call screen display method, and a program according to the present disclosure can display information of a caller or the like when receiving a call even in a situation where a combination of a caller number and a caller can be changed.

In another aspect, a portable terminal device, an incoming call history display method, and a program according to the present disclosure can correctly display information of a caller at the time of receiving a call in an incoming call history while information of a caller or the like can be displayed when receiving a call.

