JP5486909B2 - Call management system and call management method - Google Patents

Description

The present invention relates to call management system for managing a call between the communication terminal and call management how.

  When a call is made between communication terminals such as a mobile phone or a PDA (Personal Data Assistance), if the remaining battery level of one communication terminal becomes insufficient and the call cannot be made, the call may be suddenly interrupted. For example, Patent Document 1 discloses that when the remaining battery capacity of the communication terminal of the local station becomes less than a predetermined value during a call, in order to avoid losing the requirements of the other party in such a situation, It describes that the connection destination of the communication terminal is automatically switched to the answering machine center.

JP 2003-134187 A

  However, in the communication terminal described in Patent Document 1 that can automatically transfer a call to the answering machine center when the call cannot be performed due to a battery exhaustion, even if the battery is recharged and the call can be made again, the answering machine There is a problem that the call cannot be resumed unless the message recorded in the center is heard and the call is made again to the communication terminal of the call destination.

The present invention has been made to solve the above-mentioned problem, and after recovering from a state in which a call cannot be made due to a decrease in the remaining battery level during a call between communication terminals, the call between the communication terminals can be promptly performed. to resume an object of the present invention is to provide a call management system and call management how that can be.

In order to solve the above-described problem, a call management system according to the present invention is a call management system including a call monitoring server that monitors calls between communication terminals, and the communication terminal detects a dead battery of its own device. A call impossible notification means for notifying that the communication terminal and another communication terminal in communication with the communication terminal are incapable of communicating in response to detection of a battery exhaustion by the battery dead detection means of the communication terminal. The communication terminal further detects after the notification by the call disabling notification means of the call monitoring server that the battery is charged until the remaining battery level recovers to a predetermined value or more, depending on the amount it is detected that recovered to a predetermined value or more, and a call enable notification means for notifying that it is now possible call with the communication terminal to the other communication terminals, other The communication terminal includes an answering machine connection means for connecting to the answering machine service center after the notification by the call disabling notice means of the call monitoring server and outputting a voice as a message. The call monitoring server further charges the communication terminal. Whether the message is being recorded from the other communication terminal to the answering machine service center by the answering machine connection means of the other communication terminal when it is detected by the checking means that the remaining battery level has recovered to the predetermined value or more. Recording state confirmation means for confirming, and when the recording state confirmation means confirms that the message is being recorded by the recording state confirmation means, when the notification instruction by the user of the communication terminal is detected, The communication terminal is notified that a call with the communication terminal is possible .

Similarly, in order to solve the above-described problem, a call management method according to the present invention is a call management method by a call management system including a call monitoring server that monitors calls between communication terminals, and includes a battery terminal detection unit of a communication terminal. However, the dead battery detecting step for detecting the dead battery of the own device and the call impossible notification means of the call monitoring server are communicated to the communication terminal and other communicating terminals in a call in response to the dead battery detection in the dead battery detecting step. A call failure notification step for notifying that a call is disabled, and a charge for detecting that the charging check means of the communication terminal is charged until the remaining battery level recovers to a predetermined value or higher after the notification in the call failure notification step. In response to the confirmation step and the communication possibility notification means of the communication terminal detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, A call enable notification step of notifying that it is now possible call with the communication terminal to end, voice mail connection means of another communication terminal, after the notification in the call failure notice step, to connect to the Voice Mail Service Center The answering machine connecting step for outputting the voice as a message and the recording state confirmation means of the call monitoring server detect that the remaining battery level is recovered to a predetermined value or more in the charging confirmation step. see containing and a recording state confirming step of confirming whether during recording a message from another communication terminal to the Voice Mail service center in connection step, call enable notification step is confirmed in the message recording in the recording state confirming step If a notification command is detected by the user of the communication terminal, the other communication terminal Notifying that enabled call with said communication terminal, characterized in that.

According to the call management system and call management how, when the battery after the communication terminal becomes impossible call is enabled call being recharged, the other communication terminal was busy with the communication terminal Is notified that the call is available. As a result, it becomes possible to know that the communication terminal at the other end of the call is available, and the call can be made again from the communication terminal at the other end of the call as well as from the communication terminal that has recovered from the dead battery. Is also possible. For this reason, after recovering from the state in which the remaining battery level is reduced during communication between communication terminals and the communication becomes impossible, it is possible to quickly resume communication between communication terminals.

Further, it is possible to passing story leaves a message be interrupted, convenience of call between the communication terminal is improved.

Further, since it becomes possible to resume the call to clasp protect electrostatic recording, it is possible to resume more quickly call between communication terminals.

  If another communication terminal receives a notification from the communication terminal call enable notification means while the message recording is performed by the answering machine connection means, the message being recorded is deleted and the call is made or the message recording is performed. It is preferable to provide selection determination means for selecting whether to end the talk later. With this configuration, it is possible to determine whether or not the call can be resumed according to the convenience of the other mobile phone of the call destination, so that the convenience of the call between the communication terminals is further improved.

In addition, it is preferable that the other communication terminal includes a message creation unit that creates a message for the communication terminal using SMS after the notification by the call failure notification unit of the call monitoring server. With this configuration, even if the call is interrupted, a message can be left, so the convenience of the call between communication terminals is improved.
Similarly, in order to solve the above problems, a call management system according to the present invention is a call management system including a call monitoring server that monitors calls between communication terminals, and the communication terminal detects that its own battery is dead. A call deadline detection means, and the call monitoring server notifies the communication terminal that another call terminal cannot call according to the detection of the battery dead by the battery dead battery detection means of the communication terminal. A charging check means for detecting that the communication terminal is charged until the remaining battery level recovers to a predetermined value or more after the notification by the call failure notification means of the call monitoring server. A communication enabling notification means for notifying other communication terminals that communication with the communication terminal is possible when it is detected that the remaining battery level has recovered to a predetermined value or more. Other communication terminals, after notification by the call failure notice means of the call monitoring server comprises message creating means for executing the created message to the communication terminal by using SMS, characterized in that.
Similarly, in order to solve the above-described problem, a call management method according to the present invention is a call management method by a call management system including a call monitoring server that monitors calls between communication terminals, and includes a battery terminal detection unit of a communication terminal. However, the dead battery detecting step for detecting the dead battery of the own device and the call impossible notification means of the call monitoring server are communicated to the communication terminal and other communicating terminals in a call in response to the dead battery detection in the dead battery detecting step. A call failure notification step for notifying that a call is disabled, and a charge for detecting that the charging check means of the communication terminal is charged until the remaining battery level recovers to a predetermined value or higher after the notification in the call failure notification step. In response to the confirmation step and the communication possibility notification means of the communication terminal detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, The communication enabling notification step for notifying that the communication terminal is able to communicate with the communication terminal and the answering machine connection means of the other communication terminal connect to the answering machine service center after the notification in the communication disable notification step. The message being recorded when the answering machine connecting step for outputting the voice as a message and the selection determining means of the other communication terminal receive the notification in the call available notification step while recording the message in the answering machine connecting step. And a selection determining step for selecting whether to make a call after erasing or to end the call after recording a message.
Similarly, in order to solve the above-described problem, a call management method according to the present invention is a call management method by a call management system including a call monitoring server that monitors calls between communication terminals, and includes a battery terminal detection unit of a communication terminal. However, the dead battery detecting step for detecting the dead battery of the own device and the call impossible notification means of the call monitoring server are communicated to the communication terminal and other communicating terminals in a call in response to the dead battery detection in the dead battery detecting step. A call failure notification step for notifying that a call is disabled, and a charge for detecting that the charging check means of the communication terminal is charged until the remaining battery level recovers to a predetermined value or higher after the notification in the call failure notification step. In response to the confirmation step and the communication possibility notification means of the communication terminal detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, The communication enabling notification step for notifying the end of the communication with the communication terminal and the message creating means of the other communication terminal using the SMS after the notification in the communication disable notification step And a message creating step for executing message creation.

According to the call management system and call management how according to the present invention, after the recovery from the state where the battery remaining amount during a call becomes impossible call by reduced between communication terminals, quickly restarting call between communication terminals It becomes possible to do.

1 is a configuration diagram of a call management system according to an embodiment of the present invention. FIG. It is a sequence diagram which shows the process performed in a call management system. It is a sequence diagram which shows the process performed in a call management system. It is a figure which shows an example of the selection screen displayed on a mobile telephone in the process performed in a call management system. It is a figure which shows an example of the selection screen displayed on a mobile telephone in the process performed in a call management system. It is a figure which shows an example of the selection screen displayed on a mobile telephone in the process performed in a call management system.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the description of the drawings, the same or equivalent elements are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a configuration diagram of a call management system 1 according to an embodiment of the present invention. As shown in FIG. 1, the call management system 1 includes a plurality of mobile phones (communication terminals) 10a and 10b, a call monitoring server 20, and an answering machine center 30. The mobile phones 10a and 10b, the call monitoring server 20, and the answering machine center 30 are connected via a communication network N such as a mobile communication network in a state where they can communicate with each other.

  The plurality of mobile phones 10a and 10b are connected to the mobile communication network N via base stations and exchanges (not shown) so as to establish a call. Also, when the mobile phone of the call connection partner is out of service area or when the power is not turned on, a message message can be recorded and stored in the answering machine center 30 and transmitted to the partner.

  The call monitoring server 20 monitors the calls of the mobile phones 10a and 10b. If the remaining battery level of the mobile phone (for example, the mobile phone 10b) during the call becomes low and the call cannot be made, the call is notified. It is configured to notify a previous mobile phone (for example, the mobile phone 10a) and leave a message using a service such as an answering machine or SMS (Short Message Service).

  In particular, in the present embodiment, the call management system 1 charges the battery of the mobile phone 10b that has run out of battery, and when the call can be made again, the mobile phone 10a to which the call is made leaves a message. The mobile phone 10b that has recovered from the inability to call can be notified to the called mobile phone 10a that the call has been made possible by processing according to the service used (answer machine service, SMS, etc.). Yes.

  The cellular phone 10 (generic name for the cellular phones 10a and 10b in FIG. 1) is physically a CPU (Central Processing Unit), a RAM (Random Access Memory) and a ROM (Read Only Memory), which are main storage devices, and an input device. It is comprised as a terminal device which has operation parts, such as an input key, a display, a wireless communication part. Each function of the mobile phone 10 to be described later operates an operation unit, a display, and a wireless communication unit under the control of the CPU by reading predetermined computer software on hardware such as a CPU and a RAM, and a RAM. It is realized by reading and writing data in and ROM.

  The call monitoring server 20 is physically composed of a CPU, a RAM and a ROM as main storage devices, an auxiliary storage device such as a hard disk device, an input device such as an input key as an input device, an output device such as a display, a network, etc. The computer includes a communication module that is a data transmission / reception device such as a card. Each function of the call monitoring server 20 to be described later operates an input device, an output device, and a communication module under the control of the CPU by reading predetermined computer software on hardware such as the CPU and RAM. This is realized by reading and writing data in the RAM and the auxiliary storage device.

  Next, each function of the mobile phone 10 and the call monitoring server 20 will be described.

  As shown in FIG. 1, the mobile phone 10 includes a battery 11 (a general term for the batteries 11 a and 11 b in FIG. 1. It includes a battery depletion detection unit 13, a charge confirmation unit (charge confirmation unit) 14, a communication control unit (callable notification unit, answering machine connection unit, message creation unit) 15, and a selection determination unit (selection determination unit) 16. Has been.

  The battery 11 is an intelligent battery that can detect the remaining battery level in about 100 steps.

  The remaining battery level measurement unit 12 is a part that measures the remaining battery level of the battery 11. The remaining battery level measurement unit 12 transmits the measured remaining battery level to the battery exhaustion notification unit 13 and the charge confirmation unit 14.

  The battery exhaustion notification unit 13 is a part that detects and notifies that the battery 11 is low and the battery is exhausted. When the remaining battery level of the battery 11 received from the remaining battery level measurement unit 12 is equal to or lower than a predetermined value for battery exhaustion determination, the battery exhaustion notification unit 13 determines that the battery has run out, and notifies that effect. The call monitoring server 20 is notified. Here, the predetermined value for determining whether the battery has run out is, for example, the remaining battery level for a predetermined time before the battery runs out.

  The charge confirmation unit 14 is a part for confirming a charge state of the battery 11 that has run out of battery. The charging confirmation unit 14 receives from the battery remaining amount measuring unit 12 when the battery 11 is charged after the battery remaining notification unit 13 detects that the remaining amount of the battery 11 has become a predetermined value or less. When the remaining battery level of the battery 11 exceeds a predetermined value for determining completion of charging, it is determined that the remaining battery level is sufficient to continue the call, and the call monitoring server 20 Notification is made to the mobile phone 10a of the call destination.

  The communication control unit 15 is a part that controls communication with other mobile phones. The communication control unit 15 transmits information related to various communications in accordance with the operation of the user of the mobile phone, and receives information related to various communications from other mobile phones. Here, “communication” includes voice calls, answering machines, SMS, and the like.

  The selection determination unit 16 is a part that determines a processing operation according to a user input operation input via the operation unit from among processing operation options presented to the user via the display of the mobile phone. Specifically, in this embodiment, whether or not to leave a message by SMS or answering machine on the mobile phone 10a after the battery of the mobile phone 10b is exhausted, or when the mobile phone 10b is fully charged, the mobile phone 10a is recording the answering machine Whether to make a telephone connection at the time of the mobile phone 10a, and whether to cancel the answering machine when the mobile phone 10b makes a telephone connection request while the voice mail is being recorded. I do.

  As shown in FIG. 1, the call monitoring server 20 includes a call disable notification unit (call disable notification unit) 21 and a recording state check unit (recording state check unit) 22.

  The call disable notification unit 21 is a part that notifies the call destination mobile phone that the call cannot be made due to the battery of the mobile phone being used up. When the mobile phone 10 (mobile phone 10b) receives information from the mobile phone 10 that the battery runs out from the battery running notification unit 13 (for example, the battery running notification unit 13b), To the mobile phone (mobile phone 10a). Further, the call disable notification unit 21 refers to the subscriber information of the mobile phone in a call and selects a processing operation that can be handled by the mobile phone 10a according to the type and contract content of both mobile phones. Present to phone 10a.

  The recording state confirmation unit 22 is a part for confirming whether or not the mobile phone is recording the answering machine. Specifically, when the information indicating that the charging is completed is received from the charging confirmation unit 14b of the mobile phone that has run out of the battery, the telephone answering center 30 is inquired as to whether or not the mobile telephone 10a being called is recording the answering machine. Check.

  Next, with reference to FIGS. 2-6, the process performed in the call management system 1 of this embodiment is demonstrated, and the call management method which concerns on this embodiment is demonstrated. 2 and 3 are sequence diagrams showing processing executed in the call management system 1. FIG. In the following description, a case where the remaining battery level of the mobile phone 10b is reduced while the mobile phone 10a and the mobile phone 10b are talking is described as an example.

  First, in response to a call from the mobile phone 10a or the mobile phone 10b, a call is established via a base station and an exchange (not shown) and the mobile communication network N, and the communication control unit 15a and the mobile phone 10b of the mobile phone 10a are established. The communication controller 15b makes a call (S101).

  Next, in the mobile phone 10b, the remaining battery level measurement unit 12b measures the remaining battery 11b (S102). The battery remaining amount data measured by the battery remaining amount measuring unit 12b is transmitted to the battery depletion notifying unit 13b, and the battery remaining amount received from the battery remaining amount measuring unit 12 by the battery depletion notifying unit 13b is used for battery depletion determination. When it is detected that the battery has reached a predetermined value or less, it is determined that the battery has run out for a certain period of time, and a packet notification that the battery has run out is sent to the call disable notification unit 21 of the call monitoring server 20 ( S103: Battery exhaustion detection step).

  Next, in the call monitoring server 20, the call connection between the mobile phones 10a and 10b is cut by the call disable notification unit 21 in response to receiving a packet notification from the battery exhaustion notification unit 13 of the mobile phone 10b. . And the guidance to the effect that the battery 11b of the mobile phone 10b will run out is notified to the mobile phone 10a that is the destination (S104).

  Further, the call disable notification unit 21 creates a corresponding operation option that can be taken by the mobile phone 10a when the mobile phone 10b becomes disabled (S105). More specifically, the status of subscription to the answering machine service of the mobile phone 10b is confirmed by a customer management server (not shown) by the call disabling notification unit 21. “Record to phone” is included in the options. In addition, when the mobile phones 10a and 10b are both specific models of the same communication carrier, “email transmission using SMS” is included in the options.

  If the mobile phone 10b is confirmed to be subscribed to the answering service, the information (subscriber information, terminal information, etc.) of the mobile phone 10b is notified to the answering service center 30 (S106). The answering machine center 30 prepares for switching to the answering service of the mobile phone 10b in response to the reception of the information of the mobile phone 10b.

  Then, the call disable notification unit 21 notifies the mobile phone 10a that the mobile phone 10b is disabled and the corresponding operation options that the mobile phone 10a created in step S105 can take (S107: call disable notification). Step). At this time, it is also notified that the corresponding operation by the mobile phone 10a is charged for the mobile phone 10a.

  Next, in the mobile phone 10a, in response to receiving the option from the call monitoring server 20, this option is displayed on the display as shown in FIG. 4, for example (S108). In the example of FIG. 4, the message “the other battery has run out” is notified that the mobile phone 10b has become unable to talk because the battery has run out, and further three corresponding operations that the mobile phone 10a can take, (1) Leave an SMS message, (2) Connect to an answering machine, (3) End call is presented.

  Then, according to the user's selection operation input via the operation unit, the selection determining unit 16b determines the corresponding operation from the options (S109). Hereinafter, a case where (1) leave an SMS message, (2) connect to an answering machine, and (3) end call are selected from the options will be described.

  When “(1) Leave SMS message” is selected in step S109, the communication control unit 15 creates an SMS message created in response to the character input operation of the user of the mobile phone 10a input via the operation unit. Is transmitted to the mobile phone 10b (S110).

  In the mobile phone 10b, in response to the reception of the SMS message from the mobile phone 10a, the charging check unit 14b starts checking the recharge of the battery 11b (S111: charging check step).

  When the charge confirmation unit 14b detects that the remaining battery level has recovered to a predetermined value or more for determining completion of charging, it is determined that the communication control unit 15b has charged the battery 11b and can talk. 10a is notified (S112: call enable notification step). For example, an SMS message or a telephone connection may be used for the notification that the call is possible.

  When “(2) Connect to answering machine” is selected in step S109, the process proceeds to FIG. 3, where the communication control unit 15b connects to the answering machine center 30 and starts recording the answering machine (S113).

  When the answering machine recording from the mobile phone 10a is started at the answering machine center 30, a charging confirmation start trigger for checking the battery charging status is transmitted to the mobile phone 10b (S114).

  In the mobile phone 10b, in response to the trigger reception from the answering machine center 30, the charge confirmation unit 14b starts confirming recharge of the battery 11b (S115: charge confirmation step).

  When the charge confirmation unit 14b detects that the remaining battery level has recovered to a predetermined value or more for determining completion of charging, the communication control unit 15b indicates that the battery 11b has been charged and communication is possible. Is transmitted to the recording state confirmation unit 22 of the call monitoring server 20 (S116: call enable notification step).

  In the call monitoring server 20, in response to the reception of the information indicating the completion of charging from the mobile phone 10b, the recording state confirmation unit 22 makes an inquiry to the answering machine center 30, and whether the recording of the answering machine by the mobile phone 10a is completed. It is confirmed whether or not (S117). If the recording of the answering machine has been completed, the communication control unit 15b notifies the mobile phone 10a that the battery 11b is charged and can make a call by, for example, an SMS message (S118: call enable notification step). ).

  If the answering machine is being recorded in step S117, the recording state confirmation unit 22 notifies the mobile phone 10b of the fact and confirms whether or not to call the other party (mobile phone 10a). An option for sending is sent (S119).

  In the mobile phone 10b, in response to receiving the option from the call monitoring server 20, this option is displayed on the display as shown in FIG. 5, for example (S120). In the example of FIG. 5, it is notified that the mobile phone 10a is recording the answering machine with a sentence “The other party is recording on the answering machine”, and the mobile phone 10b can take (1) telephone connection, or (2) Two corresponding operations of not connecting to the telephone are presented.

  Then, according to the user's selection operation input via the operation unit, the selection determining unit 16b determines the corresponding operation from the options (S121). Here, when “(2) Do not connect to telephone” is selected, the processing ends as it is (S122), and when the recording of the answering machine by the mobile phone 10a is completed, the answering machine center 30 indicates that there is a recorded message. To the mobile phone 10b.

  When “(1) Connect to phone” is selected in step S121, a guidance to the effect that the battery 11b of the mobile phone 10b has been charged is sent to the mobile phone 10a, for example, using a sound or an SMS message. At the same time, the corresponding operation options are notified (S123: call enable notification step).

  In the mobile phone 10a, in response to the reception of the option from the mobile phone 10b, this option is displayed on the display as shown in FIG. 6, for example (S124). In the example of FIG. 6, the message “A call has been received from the other party” informs that the mobile phone 10 b is attempting to establish a call connection from the mobile phone 10 b to which the message is sent while the answering machine is recording, and further the mobile phone Two corresponding operations, “(1) Delete the answering record and make a call”, or “(2) End the recording after the recording”, which can be taken by 10a, are presented.

  Then, according to the user's selection operation input via the operation unit, the selection determining unit 16a determines the corresponding operation from the options (S125). When “(1) Delete voicemail and talk” is selected, first, the communication control unit 15a sends an instruction to delete the message being recorded to the voice mail center 30 to call the mobile phone 10b. Connected (S126).

  When “(2) End the recording after the end of recording” is selected, the communication control unit 15a continues the recording to the answering machine center 30 and ends the end of the recording (S127). Then, the answering machine center 30 notifies the mobile phone 10b of an answering machine message.

  When “(3) End of call” is selected in step S109, the mobile phone 10a does not leave a message for the mobile phone 10b and ends the process without waiting for the mobile phone 10b to be recharged (S128). .

  As described above, according to the call management system 1, the call management method, and the mobile phone 10b according to the present embodiment, when the battery running-out detection unit 15b of the mobile phone 10b detects the battery running out of the own device, the call monitoring is performed. In response to this, the call disable notification unit 21 of the server 20 notifies the mobile phone 10b that is in a call with the mobile phone 10b that the call is disabled. Then, when the charge confirmation unit 14b of the mobile phone 10b detects that the battery is charged until the remaining battery level recovers to a predetermined value or more after the notification by the call impossible notification unit 21, the communication control unit 15b transmits to the mobile phone 10a. It notifies the mobile phone 10b that it is possible to make a call.

  As described above, when the battery 11b is recharged after the mobile phone 10b becomes incapable of talking and a call is possible, the mobile phone 10b that has been in communication with the mobile phone 10b is notified that the call can be made. Is done. As a result, it becomes possible to grasp that the mobile phone 10a of the callee is able to make a call, and the call can be made not only from the mobile phone 10b restored from the dead battery but also from the callee mobile phone 10a. Can also be performed. For this reason, after recovering from the state in which the remaining battery level is reduced during communication between communication terminals and the communication becomes impossible, it is possible to quickly resume communication between communication terminals.

  In addition, after the mobile phone 10a receives the notification by the call impossible notification unit 21 of the call monitoring server 20, the communication control unit 15a of the mobile phone 10a records / creates a message for the communication terminal using the answering service or SMS. Execute. For this reason, it is possible to leave a message even if the call is interrupted, and the convenience of the call between the communication terminals is improved.

  Further, the recording state confirmation unit 22 of the call monitoring server 20 confirms whether or not a message is being recorded from the mobile phone 10a in response to detection of charging by the charging confirmation unit 14b of the mobile phone 10b. When it is confirmed by the recording state confirmation unit 22 that the message is being recorded, when the notification command by the user of the mobile phone 10b is detected, the mobile phone 10a is notified that a call can be made with the mobile phone 10b. To do. For this reason, since it is possible to resume a call during voice mail recording, it is possible to resume a call between communication terminals more quickly.

  Also, when the mobile phone 10a receives a notification from the mobile phone 10b that a call can be made while recording an answering machine message, the mobile phone 10a erases the message being recorded and makes a call, or after the message is recorded You can choose whether to end the talk. For this reason, since it is possible to determine whether or not the call can be resumed in accordance with the convenience of the other mobile phone, the convenience of the call between the communication terminals is further improved.

  The call management system 1 and the call management method according to the present invention have been described with reference to the preferred embodiments, but the present invention is not limited to the above embodiments. For example, although a mobile phone is illustrated as an example of a communication terminal in the above-described embodiment, other types of communication terminals such as a PDA (Personal Data Assistance) can be applied.

  DESCRIPTION OF SYMBOLS 1 ... Call management system, 10 (10a, 10b) ... Mobile phone, 13 (13a, 13b) ... Battery deadline notification part (battery deadness detection means), 14 (14a, 14b) ... Charge confirmation part (charge confirmation means), 15 (15a, 15b) ... communication control unit (callable notification means, answering machine connection means, message creation means), 16 (16a, 16b) ... selection determination unit (selection determination means), 20 ... call monitoring server, 21 ... Call impossible notification unit (call disabled notification means), 22 ... Recording state confirmation unit (recording state confirmation unit), 30 ... Answering machine center.

Claims (7)

A call management system comprising a call monitoring server for monitoring calls between communication terminals,
The communication terminal is
It is equipped with a battery exhaustion detection means for detecting the battery exhaustion of its own machine,
The call monitoring server is
In response to the detection of battery exhaustion by the battery terminal detection means of the communication terminal, the communication terminal comprises a communication impossible notification means for notifying other communication terminals that are in communication with the communication terminal that communication is impossible.
The communication terminal further comprises:
A charging confirmation unit for detecting that the battery is charged until the remaining battery level recovers to a predetermined value or more after the notification by the call impossible notification unit of the call monitoring server;
In response to detecting that the remaining battery level has recovered to a predetermined value or more by the charging confirmation unit, the communication enabling notification unit notifies the other communication terminal that the communication with the communication terminal is possible. and, with a,
The other communication terminal is
After notification by the call disabling notification means of the call monitoring server, an answering machine connecting means for connecting to an answering machine service center and outputting a voice as a message is provided.
The call monitoring server further comprises:
The answering machine service center from the other communication terminal by the answering machine connecting means of the other communication terminal in response to the fact that the remaining battery level is detected by the charging confirmation means of the communication terminal. Has a recording status confirmation means for confirming whether a message is being recorded,
When it is confirmed that the message recording is being performed by the recording state confirmation unit, the communication enable notification unit of the communication terminal detects the notification instruction by the user of the communication terminal and Notify that you can talk to the communication terminal,
A call management system characterized by that. The other communication terminal is
Whether or not the message being recorded is erased and the call is ended or the call is ended after the message is recorded when the notification by the call enable notification unit of the communication terminal is received during the message recording by the answering machine connection unit The call management system according to claim 1 , further comprising selection determining means for selecting. The other communication terminal is
The call management according to claim 1 or 2 , further comprising message creation means for creating a message for the communication terminal using SMS after the notification by the call disabling notification means of the call monitoring server. system. A call management system comprising a call monitoring server for monitoring calls between communication terminals,
The communication terminal is
It is equipped with a battery exhaustion detection means for detecting the battery exhaustion of its own machine,
The call monitoring server is
In response to the detection of battery exhaustion by the battery terminal detection means of the communication terminal, the communication terminal comprises a communication impossible notification means for notifying other communication terminals that are in communication with the communication terminal that communication is impossible.
The communication terminal further comprises:
A charging confirmation unit for detecting that the battery is charged until the remaining battery level recovers to a predetermined value or more after the notification by the call impossible notification unit of the call monitoring server;
In response to detecting that the remaining battery level has recovered to a predetermined value or more by the charging confirmation unit, the communication enabling notification unit notifies the other communication terminal that the communication with the communication terminal is possible. and, with a,
The other communication terminal is
A message creation unit configured to create a message for the communication terminal using SMS after notification by the call disabling notification unit of the call monitoring server;
A call management system characterized by that. A call management method by a call management system comprising a call monitoring server for monitoring calls between communication terminals,
The battery exhaustion detection means of the communication terminal detects the battery exhaustion of its own device,
A call disable notification step of notifying a call disable notification means of the call monitoring server for notifying a call to another communication terminal in communication with the communication terminal in response to detection of a battery exhaustion in the battery exhaustion detecting step; ,
A charging confirmation step of detecting that the charging confirmation means of the communication terminal is charged until the remaining battery level is recovered to a predetermined value or more after the notification in the call impossible notification step;
In response to detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, the communication enable notification means of the communication terminal can make a call with the communication terminal to the other communication terminal. A call enable notification step for notifying that
The answering machine connection means of the other communication terminal connects to the answering machine service center after the notification in the call impossible notification step, and outputs an audio message as a message; and
When the recording state confirmation unit of the call monitoring server detects that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, the answering machine from the other communication terminal in the answering machine connection step. A recording state confirmation step for confirming whether a message is being recorded in the telephone service center,
Only including,
When it is confirmed that the message is being recorded in the recording state confirmation step, the communication enabling notification step is performed when the notification instruction by the user of the communication terminal is detected and the communication terminal is connected to the other communication terminal. Notify that the call is available,
Call management method characterized by the above. A call management method by a call management system comprising a call monitoring server for monitoring calls between communication terminals,
The battery exhaustion detection means of the communication terminal detects the battery exhaustion of its own device,
A call disable notification step of notifying a call disable notification means of the call monitoring server for notifying a call to another communication terminal in communication with the communication terminal in response to detection of a battery exhaustion in the battery exhaustion detecting step; ,
A charging confirmation step of detecting that the charging confirmation means of the communication terminal is charged until the remaining battery level is recovered to a predetermined value or more after the notification in the call impossible notification step;
In response to detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, the communication enable notification means of the communication terminal can make a call with the communication terminal to the other communication terminal. A call enable notification step for notifying that
The answering machine connection means of the other communication terminal connects to the answering machine service center after the notification in the call impossible notification step, and outputs an audio message as a message; and
When the selection determination means of the other communication terminal receives the notification in the call enable notification step during the message recording in the answering machine connection step, the message being recorded is deleted or the call is made. A selection decision step for selecting whether to end the recording after recording,
A call management method comprising: A call management method by a call management system comprising a call monitoring server for monitoring calls between communication terminals,
The battery exhaustion detection means of the communication terminal detects the battery exhaustion of its own device,
A call disable notification step of notifying a call disable notification means of the call monitoring server for notifying a call to another communication terminal in communication with the communication terminal in response to detection of a battery exhaustion in the battery exhaustion detecting step; ,
A charging confirmation step of detecting that the charging confirmation means of the communication terminal is charged until the remaining battery level is recovered to a predetermined value or more after the notification in the call impossible notification step;
In response to detecting that the remaining battery level has recovered to a predetermined value or more in the charging confirmation step, the communication enable notification means of the communication terminal can make a call with the communication terminal to the other communication terminal. A call enable notification step for notifying that
A message creation step in which the message creation means of the other communication terminal executes creation of a message for the communication terminal using SMS after the notification in the call impossible notification step;
A call management method comprising:

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