JP2012209729A - Message transfer method, message storage device and communication device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a message transfer method which makes it possible to transfer messages from a via destination to the original destination by a simple user operation.SOLUTION: A message storage device (1) saves a message addressed to a mobile phone (3) in a first storage unit after correlating it to a message identifier which helps identify a mobile phone (2) from which the message was originated, and further saves the message identifier and the mobile phone (3) in a second storage unit after correlating them to each other. When a message transfer request, with a mobile phone (4) specified as the destination, is received from the mobile phone (3), the message storage device additionally saves the message identifier and the mobile phone (4) in the second storage unit after correlating them to each other; when a reproduction request is received from the mobile phone (4), the message storage device reads out and reproduces the message from the first storage unit based on the message identifier correlated to the mobile phone (4).

Description

  The present invention relates to a message transfer method for transferring a message addressed to a specific communication device to another communication device.

  For example, when Mr. A who does not know Mr. B's phone number wants to ask Mr. C who knows Mr. B's phone number to send a message to Mr. B, Mr. A cannot call Mr. C. Assume the situation. In such a situation, for example, when Mr. A records a message to Mr. B using the answering machine service function of the mobile phone owned by Mr. C, Mr. C records the message recorded on the answering machine. After listening, I will tell Mr. B the contents. At this time, Mr. C, for example, learns the contents of the message or leaves the contents in a memo or the like, and then conveys the contents to Mr. B.

  In the above-described series of procedures, a technique is disclosed in which Mr. C, who is a transit person, transfers a message to Mr. B, the original recipient, without memorizing the contents of the message or leaving a memo or the like. Specifically, first, the sender A who is the sender of the voice message calls the distribution storage device to notify the destination information of the via person C, and then records the voice message in the distribution storage device. Next, the distribution storage device notifies that the message has arrived at the passer-by C based on the destination information. Next, the transit person C who has received this notification requests the distribution storage device to transmit a message, reproduces the distributed message with predetermined software, and confirms the contents. Next, the passer-by C who confirmed the content of the message transmits the destination information of the original destination B and the message to be transferred to the distribution storage device in accordance with the request from the sender A. The distribution storage device that has received these pieces of information notifies the addressee B that the message has arrived, and then forwards the message according to the request from the addressee B, and then notifies the via-router C of the end of the transfer. .

Japanese Patent Laid-Open No. 11-55399

  However, in the above conventional technique, when a message is transferred, a new user operation such as “Transferr C sends a message designating the original destination B to the distribution storage device” occurs. There was a problem of lack of sex.

  In addition, since the distribution storage device in the conventional technique manages messages for each destination, the same message corresponding to the number of transfer destinations is stored in the memory, and the memory area is wasted. There was a problem.

  The disclosed technology has been made in view of the above, and an object thereof is to provide a message transfer method that enables message transfer from a route destination to an original destination by a simple user operation.

  It is another object of the present invention to provide a message transfer method capable of realizing effective use of a memory area during message transfer.

  In one aspect, a message transfer method disclosed in the present application is a message transfer method in which a message storage device that stores a message addressed to a first telephone transfers the message to a second telephone, and the message storage device Stores the message in a first storage unit in association with a message identifier capable of specifying the source of the message, and further associates the message identifier with the first telephone in a second storage unit. By storing the message, the message addressed to the first telephone is managed, and when a message transfer request having the second telephone as a transfer destination is received from the first telephone, the message identifier and the second When the reproduction request is received from the second telephone and the second storage unit is associated with the second telephone. Based on the message identifier associated with the phone, reading and reproducing said message from said first storage unit.

  According to one aspect of the message transfer method disclosed in the present application, there is an effect that it is possible to realize message transfer from a route destination to an original destination by a simple user operation. In addition, the memory area can be effectively used during message transfer.

FIG. 1 is a diagram illustrating a configuration example of a wireless communication system and an answering machine service center apparatus. FIG. 2 is a diagram illustrating a configuration example of a mobile phone. FIG. 3 is a sequence diagram showing a message transfer method. FIG. 4A is a diagram illustrating an example of a message status recording area in the message DB. FIG. 4B is a diagram of an example of a message recording area in the message DB. FIG. 5 is a diagram showing an example of a message status recording area in the message DB. FIG. 6 is a sequence diagram showing transfer processing by the mobile phone. FIG. 7 is a sequence diagram showing transfer processing by the answering machine service center apparatus. FIG. 8 is a diagram showing an example of a message status recording area in the message DB. FIG. 9 is a diagram illustrating an example of a message status recording area in the message DB.

  Embodiments of a message transfer method, a message storage device, and a communication device disclosed in the present application will be described below in detail with reference to the drawings. In the following embodiments, an answering machine service center device will be described as an example of a message storage device, and a mobile phone will be described as an example of a communication device. However, the present invention is not limited to this embodiment. Absent.

  FIG. 1 is a diagram illustrating a configuration example of a wireless communication system according to the present embodiment and a configuration example of an answering machine service center apparatus 1 according to the present embodiment. In FIG. 1, the wireless communication system of the present embodiment shows an example of a system for providing an answering machine service to each mobile phone user. The mobile phone communicates appropriately through the base station 5. The mobile phone network 6 includes a radio network controller that collects and exchanges traffic from each base station, a mobile communication switching office for connecting to other networks such as a fixed telephone and the Internet, and the like. In FIG. 1, mobile phones 2, 3, 4 are terminals located within the wireless zone of the base station 5. The wireless zone refers to a service area. In the present embodiment, for example, the mobile phone 2 is a terminal owned by a voice message sender A, the mobile phone 3 is a terminal owned by a transit person C that transfers a voice message, and the mobile phone 4 is a voice message. The terminal owned by the addressee B of

  In FIG. 1, the answering machine service center apparatus 1 includes a communication control unit 11, a message playback function unit 12, a message recording function unit 13, a message transfer function unit 14, a message status notification function unit 15, and a message database (DB) 16. Have The communication control unit 11 controls transmission / reception of various signals for realizing the answering machine service function. The message playback function unit 12 plays back messages and the like recorded in the message DB 16. The message recording function unit 13 records a message and the like sent from the mobile phone in the message DB 16. The message transfer function unit 14 executes processing related to message transfer. The message status notification function unit 15 performs control for notifying each mobile phone of various statuses related to message transfer. Note that the configuration example of the answering machine service center device 1 lists the configurations related to the processing of this embodiment for convenience of explanation, and does not realize all the functions of the device. Each functional unit of the answering machine service center device 1 can be realized by, for example, a CPU (Central Processing Unit), an FPGA (Field Programmable Gate Array), or the like.

  FIG. 2 is a diagram illustrating a configuration example of the mobile phone according to the present embodiment. In FIG. 2, the cellular phone (2, 3, 4) of this embodiment includes a control unit 31, a storage unit 32, a user interface unit 33, a camera function unit 34, a radio unit 35, and an antenna 36.

  2, the control unit 31 includes a communication control unit 41, a call control unit 42, a telephone directory control unit 43, a communication history management unit 44, an input control unit 45, a display control unit 46, and a voice control unit 47. The communication control unit 41 controls transmission / reception of various signals for realizing the answering machine service function. The call control unit 42 includes a CS call control unit 61 that controls CS (Circuit Switching) calls such as voice calls, a PS call control unit 62 that controls PS (Packet Switching) calls such as Web browsing, and an SMS (Short Message Service). The control unit 63 can be divided. The phone book control unit 43 controls reading and writing of phone book data stored in the storage unit 32. The communication history management unit 44 controls reading and writing of communication history data stored in the storage unit 32. The input control unit 45, display control unit 46, and audio control unit 47 control the corresponding user interface unit 33. The user interface unit 33 includes an input unit 51 such as operation keys, a display unit 52 that is a display, a voice input / output unit 53 that is a microphone and a speaker, and the like. Note that the above-described configuration example of the mobile phone is an enumeration of configurations related to the processing of this embodiment for convenience of explanation, and does not represent all functions of the mobile phone. Moreover, the control part 31 is realizable with CPU, FPGA, etc., for example.

  Next, the message transfer method of this embodiment will be described in detail with reference to the drawings. FIG. 3 is a sequence diagram illustrating a message transfer method according to this embodiment. In this embodiment, when the caller A who does not know the telephone number of the addressee B wants to request the message from the relay person C who knows the telephone number of the addressee B to send a message to the addressee B, the caller A Assume a situation in which a call from A to caller C is not connected (S1). In addition, as a situation where the caller C is not connected to the phone, for example, out of service area or power OFF may be considered.

  In such a situation, the cellular phone 2 owned by the caller A is connected to the answering machine service center device 1 by the answering machine service function of the cellular phone 3 owned by the passer-by C (S2). At the time of connection, the mobile phone 2 receives the telephone number of the mobile phone 3 owned by the passer C via the radio unit 35 and the antenna 36 under the control of the control unit 31. Notification is sent to the device 1. Thereafter, the caller A registers the message according to the guidance for prompting the message (S2, S3). Specifically, the mobile phone 2 sends a voice message input from the voice input / output unit 53 by the caller A to the answering machine service center apparatus 1 through the radio unit 35 and the antenna 36 under the control of the control unit 31. (S2). On the other hand, in the answering machine service center device 1, the communication control unit 11 receives a voice message or the like from the mobile phone 2 (S2). Then, the message recording function unit 13 records the voice message received by the communication control unit 11 in the message DB 16 (S3).

  FIG. 4 is a diagram illustrating an example of the message DB 16 after a voice message or the like is recorded in the process of S3. Specifically, FIG. 4A is an example of a message status recording area in the message DB 16, and FIG. 4B is an example of a message recording area in the message DB 16. 4A, in the message status recording area, “message identifier”, “destination identifier”, and “status” of the message are recorded in an associated state. Further, in FIG. 4B, the “message identifier” and the actual message “message” are recorded in the message recording area in association with each other. The “message identifier” is expressed in a format of “caller's telephone number + serial number”. The “destination identifier” is expressed by “destination telephone number”. In the “state”, for example, “unconfirmed”, “confirmed”, “transfer”, and the like are recorded as the current message state. In addition, a voice message is recorded in the “message”. That is, when S3 is executed, “09012345678 001” as “message identifier”, “09011111111” as “destination identifier”, and “unconfirmed” as “status” are recorded in the message status recording area. “09012345678” is the telephone number of the mobile phone 2, and “09011111111” is the telephone number of the mobile phone 3. In the message recording area, “09012345678 001” is recorded as “message identifier”, and “message data 001” that is a message received from the mobile phone 2 is recorded as “message”. As described above, in this embodiment, the answering machine service center apparatus 1 manages the message sent by the answering machine service function for each “message identifier” (see FIG. 4B).

  Next, in the answering machine service center device 1, the message transfer function unit 14 notifies the mobile phone 3 owned by the passer-by C that the message has been recorded via the communication control unit 11 (S4). ). Thereby, the owner of the mobile phone 3 can know that there is a message addressed to himself / herself in the answering machine service center device 1 by displaying on the display unit 52 or the like, for example.

  Thereafter, the cellular phone 3 requests the answering machine service center apparatus 1 to reproduce the message based on the operation of the input unit 51 by the passer-by C (S5). At this time, the mobile phone 3 transmits its own telephone number to the answering machine service center apparatus 1 together with a reproduction request under the control of the control unit 31. Then, in the answering machine service center apparatus 1 that has received the reproduction request via the communication control unit 11, the message reproduction function unit 12 reads out and reproduces the message addressed to the mobile phone 3 from the message DB 16 (S5). Specifically, the message playback function unit 12 reads “message data 001” associated with the “message identifier” based on the “destination identifier” that is the telephone number of the mobile phone 3, and controls the playback data for communication control. It transmits via the part 11. Thereby, the owner of the mobile phone 3 can know the content of the message addressed to himself / herself through the voice input / output unit 53. Further, after the message is reproduced, the message recording function unit 13 updates the “status” in the message status recording area shown in FIG. 4A from “unconfirmed” to “confirmed”. FIG. 5 is a diagram showing an example of a message status recording area in the message DB 16 after message reproduction.

  In the answering machine service center device 1, the message reproduction function unit 12 reproduces guidance for selecting an operation for the message, for example, guidance for selecting a transfer command, a delete command, a save command, and the like. I do. Specifically, the reproduction data of this guidance is transmitted to the mobile phone 3 via the communication control unit 11 (S5).

  After the process of S5, the cellular phone 3 and the answering machine service center apparatus 1 execute a message transfer process (S6). The message transfer processing by the mobile phone 3 and the answering machine service center apparatus 1 will be described in detail with reference to the drawings. FIG. 6 is a sequence diagram showing transfer processing by the mobile phone 3, and FIG. 7 is a sequence diagram showing transfer processing by the answering machine service center device 1.

  In FIG. 6, the passer-by C who has heard the operation selection guidance via the antenna 36, the radio unit 35, the control unit 31, and the voice input / output unit 53 performs a message transfer operation on the mobile phone 3 owned by the user. (S21, S22). Specifically, when a transfer command is selected by operating the input unit 51 or the like, the control unit 31 transmits a transfer request to the answering machine service center device 1 via the wireless unit 35 and the antenna 36. (S23, S24).

  In FIG. 7, in the answering machine service center apparatus 1 that has received the transfer request via the communication control unit 11, the message transfer function unit 14 performs control for reproducing guidance for requesting the transfer destination. Then, the reproduction data of the guidance is transmitted to the mobile phone 3 via the communication control unit 11 (S41, S42).

  In FIG. 6, the passer-by C who has heard the guidance for the transfer destination request via the antenna 36, the radio unit 35, the control unit 31, and the voice input / output unit 53 performs a predetermined transfer destination input operation (S25, S26). For example, when the passer C performs an input operation on the input unit 51 (S101), the phone book control unit 43 reads the phone book data from the storage unit 32, and then the display control unit 46 reads the read phone book data. The phone book is displayed on the display unit 52 based on the above (S102). Then, the passer-by C who sees the phone book displayed on the display unit 52 selects a transfer destination from the phone book using the input unit 51 (S103). In this embodiment, the telephone number of the cellular phone 4 owned by the destination B is selected as the transfer destination. The process of selecting the transfer destination telephone number and the like is an example, and is not limited to this. For example, methods such as key operations on the input unit 51, direct input of telephone numbers by various input devices such as a touch panel, selection from communication history data stored in the storage unit 32, and image analysis input are assumed. Examples of the image analysis input include a phone number input by face authentication using the camera function unit 34 and image data, and an analysis input of a QR (Quick Response) code, a number, a mail address, and the like.

  Next, in the mobile phone 3 in which the telephone number of the transfer destination mobile phone 4 is selected or input by any one of the methods described above, the control unit 31 receives the answering machine service center device 1 via the radio unit 35 and the antenna 36. The transfer destination information is transmitted to the address (S27, S28).

  In FIG. 7, in the answering machine service center apparatus 1 that has received the transfer destination information via the communication control unit 11, the message transfer function unit 14 records the telephone number of the mobile phone 4 that is the transfer destination in the message status record of the message DB 16. Record in the area (S43, S44). The message transfer function unit 14 updates the “status” of the message addressed to the mobile phone 3 in the message status recording area shown in FIG. 4A from “confirmation” to “transfer” (S45). FIG. 8 is a diagram showing an example of the message status recording area in the message DB 16 after executing S44 and S45. In the message status recording area, “09012345678 001” including the telephone number of the mobile phone 2 as “message identifier”, “09022222222” which is the telephone number of the mobile phone 4 as “destination identifier”, and “unconfirmed” as “status” "Is additionally recorded. Further, the “status” of the message addressed to the mobile phone 3 is updated from “confirmation” to “transfer”.

  Next, the message transfer function unit 14 notifies the message status notification function unit 15 of the completion of message transfer (S46). The message status notification function unit 15 that has received the transfer completion notification specifies the sender A and the destination B from the “message identifier” and “destination identifier” recorded in the message DB 16 (S47). Then, the message status notification function unit 15 confirms that the transfer of the message to the destination B is completed as a transfer completion notification to the mobile phone 2 owned by the caller A via the communication control unit 11. The mail shown is transmitted (S48). In addition, the message status notification function unit 15 has forwarded a message from the caller A from the passer-by C as a transfer completion notification to the mobile phone 4 owned by the destination B via the communication control unit 11. A mail indicating that is sent (S49). Thereafter, the message state notification function unit 15 notifies the message transfer function unit 14 that the notification to the sender A and the destination B has been completed (S50).

  Then, the message transfer function unit 14 performs control for reproducing the guidance for guiding the completion of the transfer operation, and transmits the reproduction data to the mobile phone 3 via the communication control unit 11 (S51). Note that the timing for guiding the completion of the transfer operation to the mobile phone 3 is not limited to the timing after the notification to the sender A and the destination B is completed, and any timing is acceptable as long as the timing is after the message transfer is completed, that is, the timing after S45. It is.

  In FIG. 6, the passer-by C who hears the operation end guidance via the antenna 36, the radio unit 35, the control unit 31, and the voice input / output unit 53 performs an input operation to the input unit 51 to answer the telephone service center apparatus 1. (S29, S30).

  After the message transfer process (S6) shown in FIG. 6 and FIG. 7 is executed, the cellular phone 4 next requests the answering machine service center apparatus 1 to reproduce the message based on the operation on the input unit 51 by the addressee B. (S7). At this time, the cellular phone 4 transmits its own telephone number to the answering machine service center apparatus 1 together with a reproduction request under the control of the control unit 31. Then, in the answering machine service center apparatus 1 that has received the reproduction request, the message reproduction function unit 12 reads and reproduces the message addressed to the mobile phone 4 from the message DB 16 (S7). Specifically, the message playback function unit 12 reads “message data 001” associated with the “message identifier” based on the “destination identifier” that is the telephone number of the mobile phone 4, and controls the playback data for communication control. It transmits via the part 11. Thereby, the owner of the mobile phone 4 can know the content of the message addressed to himself / herself through the voice input / output unit 53. Further, after the message is reproduced, the message recording function unit 13 updates the “state” of the message addressed to the mobile phone 4 in the message state recording area shown in FIG. 8 from “unconfirmed” to “confirmed”. FIG. 9 is a diagram showing an example of the message status recording area in the message DB 16 after executing S7.

  In the answering machine service center device 1, the message reproduction function unit 12 reproduces guidance for selecting an operation for the message, for example, guidance for selecting a transfer command, a delete command, a save command, and the like. I do. Then, the reproduction data of the guidance is transmitted to the mobile phone 4 via the communication control unit 11 (S7).

  Next, the passer-by C who has heard the operation selection guidance via the antenna 36, the radio unit 35, the control unit 31, and the voice input / output unit 53 operates the input unit 51, for example, Select transfer, delete, or save. For example, when a delete command is selected by an operation on the input unit 51 or the like, the control unit 31 performs the selected operation on the answering machine service center device 1 via the wireless unit 35 and the antenna 36. A certain deletion is requested (S8). For example, when a save command is selected by an operation on the input unit 51 or the like, the control unit 31 selects the answering machine service center device 1 via the radio unit 35 and the antenna 36. A save operation is requested (S8).

  Finally, in the answering machine service center apparatus 1 that has received the operation request via the communication control unit 11, the message recording function unit 13 executes a transfer, deletion, or storage process as a designated operation on the message DB 16. To do. Then, the message reproduction function unit 12 indicates that the operation of the message by the addressee B is completed as an operation completion notification to the mobile phone 2 owned by the caller A via the communication control unit 11. A mail is transmitted (S9).

  As described above, in this embodiment, the answering machine service center apparatus manages the message registered by the answering machine service function for each message identifier that is the identifier of the mobile phone that has transmitted the message. When the answering machine service center apparatus receives a message transfer request from the mobile phone owned by the passer-by, the message answering service service apparatus associates the message identifier associated with the recorded message with the destination identifier that is the transfer destination identifier. To register. As a result, the message transfer process can be realized by a simple process of associating the identifier of the transfer destination with the existing message without re-registering the message to the addressee. In addition, since the registered message is managed for each message identifier that is the identifier of the mobile phone that sent the message, a plurality of identical messages are not registered in the memory, and the memory area is effectively used. Is possible.

  Further, conventionally, the originator A of the voice message knows the status of the transmitted message only by contacting the transit person C again or waiting for an action from the transit person C or the original addressee B. I could not. However, in the present embodiment, for example, the caller A indicates that “the message transfer to the addressee B has been completed” in the process of S48, and “the message operation by the addressee B has been completed” in the process of S9. We decided to notify. As a result, the caller A can grasp the status of the message in real time.

  In the present embodiment, a mobile phone is used as the communication device. However, the present invention is not limited to this, and the message transfer method of the present embodiment can be applied to, for example, a fixed telephone. Further, in the present embodiment, the message transfer processing using the answering machine service center device has been described. However, the present invention is not limited to this, and the message transfer method of the present embodiment is also applicable to services other than the answering machine service. . That is, the forwarded message may be a message other than the message of the answering machine service.

  The following supplementary notes are further disclosed with respect to the embodiments including the above examples.

(Supplementary note 1) A message storage device for storing a message addressed to a first telephone is a message transfer method for transferring the message to a second telephone,
The message storage device includes:
The message is stored in the first storage unit in association with a message identifier that can identify the source of the message, and further stored in the second storage unit in association with the message identifier and the first telephone. To manage messages addressed to the first telephone,
When a message transfer request with the second telephone set as the transfer destination is received from the first telephone set, the message identifier and the second telephone set are associated and stored in the second storage unit;
When receiving a reproduction request from the second telephone, based on a message identifier associated with the second telephone, the message is read from the first storage unit and reproduced;
A message transfer method.

(Appendix 2) The message storage device
After the additional storage in the second storage unit is completed, the message originator is notified that the message transfer to the second telephone is completed.
The message transfer method according to supplementary note 1, wherein:

(Appendix 3) The message storage device
After the additional storage in the second storage unit is completed, the second telephone is notified that the message has been transferred.
The message transfer method according to appendix 1 or 2, wherein

(Appendix 4) The message storage device
When an operation request for the message is received from the second telephone, the specified operation is executed, and thereafter, the message originator is notified that the operation has been performed on the message.
4. The message transfer method according to appendix 1, 2 or 3, wherein

(Supplementary Note 5) In a message storage device for transferring a message addressed to a first telephone to a second telephone,
The message is stored in the first storage unit in association with a message identifier that can identify the source of the message, and further stored in the second storage unit in association with the message identifier and the first telephone. A message recording unit;
A message that associates the message identifier with the second telephone and stores the additional message in the second storage unit when a message transfer request with the second telephone as a transfer destination is received from the first telephone A transfer section;
A message playback unit for reading and playing back the message from the first storage unit based on a message identifier associated with the second phone when receiving a playback request from the second phone;
A message storage device.

(Additional remark 6) After the additional preservation | save to the said 2nd memory | storage part was performed by the said message transfer part, the transmission origin of the said message is specified from the information preserve | saved at the said 2nd memory | storage part, and the said transmission origin , A message status notification unit for notifying that the message transfer to the second telephone is completed,
The message storage device according to appendix 5, further comprising:

(Supplementary note 7) The message status notification unit further includes:
After the additional storage in the second storage unit is performed by the message transfer unit, the second telephone that is the transfer destination of the message is identified from the information stored in the second storage unit, Informing the second telephone that the message has been forwarded;
The message storage device according to appendix 6, wherein:

(Appendix 8) The message recording unit further includes:
When an operation request for the message is received from the second telephone, the designated operation is executed,
The message playback unit further includes:
Notifying the sender of the message that an operation has been performed on the message;
The message storage device according to appendix 5, 6 or 7, characterized by the above.

(Supplementary Note 9) The message transfer unit notifies the first telephone that the message transfer to the second telephone is completed, after performing additional storage in the second storage unit.
The message storage device according to any one of appendices 5 to 8, characterized in that:

(Supplementary note 10) A message storage device that stores a message addressed to a first telephone is a communication device that operates as the first telephone when the message is transferred to the second telephone.
Sending a message transfer request to the message storage device with the second telephone as a transfer destination;
Disconnecting communication with the message storage device when notified from the message storage device that the message transfer to the second telephone has been completed;
A communication device.

DESCRIPTION OF SYMBOLS 1 Answering machine service center apparatus 2,3,4 Mobile telephone 5 Base station 6 Mobile telephone network 11 Communication control part 12 Message reproduction function part 13 Message recording function part 14 Message transfer function part 15 Message status notification function part 16 Message DB
31 Control Unit 32 Storage Unit 33 User Interface Unit 34 Camera Function Unit 35 Radio Unit 36 Antenna 41 Communication Control Unit 42 Call Control Unit 43 Phone Book Control Unit 44 Communication History Management Unit 45 Input Control Unit 46 Display Control Unit 47 Voice Control Unit 51 Input unit 52 Display unit 53 Voice input / output unit 61 CS call control unit 62 PS call control unit 63 SMS control unit

Claims (8)

A message storage device for storing a message addressed to a first telephone is a message transfer method for transferring the message to a second telephone,
The message storage device includes:
The message is stored in the first storage unit in association with a message identifier that can identify the source of the message, and further stored in the second storage unit in association with the message identifier and the first telephone. To manage messages addressed to the first telephone,
When a message transfer request with the second telephone set as the transfer destination is received from the first telephone set, the message identifier and the second telephone set are associated and stored in the second storage unit;
When receiving a reproduction request from the second telephone, based on a message identifier associated with the second telephone, the message is read from the first storage unit and reproduced;
A message transfer method. The message storage device includes:
After the additional storage in the second storage unit is completed, the message originator is notified that the message transfer to the second telephone is completed.
The message transfer method according to claim 1. The message storage device includes:
After the additional storage in the second storage unit is completed, the second telephone is notified that the message has been transferred.
The message transfer method according to claim 1, wherein the message transfer method is a message transfer method. In a message storage device for transferring a message addressed to a first telephone to a second telephone,
The message is stored in the first storage unit in association with a message identifier that can identify the source of the message, and further stored in the second storage unit in association with the message identifier and the first telephone. A message recording unit;
A message that associates the message identifier with the second telephone and stores the additional message in the second storage unit when a message transfer request with the second telephone as a transfer destination is received from the first telephone A transfer section;
A message playback unit for reading and playing back the message from the first storage unit based on a message identifier associated with the second phone when receiving a playback request from the second phone;
A message storage device. After the additional storage in the second storage unit is performed by the message transfer unit, the source of the message is specified from the information stored in the second storage unit, and the second source is specified as the second source. A message status notification section for notifying that the message transfer to the telephone is completed,
The message storage device according to claim 4, further comprising: The message status notification unit further includes:
After the additional storage in the second storage unit is performed by the message transfer unit, the second telephone that is the transfer destination of the message is identified from the information stored in the second storage unit, Informing the second telephone that the message has been forwarded;
The message storage device according to claim 5. The message transfer unit notifies the first telephone that message transfer to the second telephone is completed after performing additional storage in the second storage.
The message storage device according to claim 4, 5 or 6. A message storage device for storing a message addressed to a first telephone, a communication device that operates as the first telephone when the message is transferred to a second telephone;
Sending a message transfer request to the message storage device with the second telephone as a transfer destination;
Disconnecting communication with the message storage device when notified from the message storage device that the message transfer to the second telephone has been completed;
A communication device.

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