JP2005269032A - Communication terminal and communication system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication terminal easily operated capable of displaying an image of an extension telephone set on a display means in response to a kind of the extension telephone set to be controlled and to provide a communication system. <P>SOLUTION: The communication terminal is connected to the communication system including a plurality of extension telephone sets and a private branch exchange includes: a storage means for storing image data of the plurality of kinds of extension telephone sets; and a control means for selecting one of image data among the image data stored in the storage means, extracting the selected image data from the storage means and displaying the image data on the display means, and the communication terminal displays to advantage an image of the extension telephone set in response to the kind of the extension telephone set to be controlled. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a communication terminal and a communication system for displaying image data corresponding to an extension telephone connected to a private branch exchange.

Conventionally, when making a call to an extension telephone connected to a private branch exchange, if the extension telephone of the call destination is busy, it is impossible to notify the message from the extension telephone of the call source to the extension telephone of the call destination. In order to solve this problem, it is possible to temporarily place a call destination extension telephone on hold by call waiting control and connect the extension telephones of the caller and the callee (see, for example, Patent Document 1).
JP-A-6-244945

  In the case of call waiting control as described above, unless the destination extension telephone responds, the calling extension telephone cannot exchange messages with the destination extension telephone.

  Therefore, the present invention provides a communication terminal and a communication system capable of exchanging messages with a caller's extension telephone by displaying an image corresponding to the type of extension telephone to be controlled on the communication terminal. Objective.

  The present invention is a communication terminal connected to a communication system having a plurality of extension telephones and a private branch exchange, and includes a storage means for storing image data of a plurality of types of extension telephones and a type of extension telephone displayed on the display means. The main feature is that it has control means for selecting one image data from the image data stored in the storage means, taking out the selected image data from the storage means and displaying it on the display means.

  The private branch exchange of the present invention has an advantage that an image of the extension telephone according to the type of the extension telephone to be controlled can be displayed on the display means.

  A first embodiment for implementing the present invention is a communication terminal connected to a communication system having a plurality of extension telephones and a private branch exchange, and storing means for storing image data of a plurality of types of extension telephones, and a display Control means for selecting one image data out of the image data stored in the storage means based on the type of the extension telephone displayed on the means, taking out the selected image data from the storage means and displaying it on the display means; The image of the extension telephone according to the type of the extension telephone to be controlled can be displayed on the display means, and the extension telephone can be controlled very easily.

A second mode for carrying out the present invention is a mode subordinate to the first mode, for inputting characters to be displayed on the first display part and / or the second display part of the extension telephone. The control means has an input means, and the control means displays the characters input by the input means on the display means while displaying the image data, and further displays the characters input to the input means in the first display portion of the extension telephone and Since character data is transmitted to be displayed on the second display portion and the display of the extension telephone to be controlled can be controlled, it is easy for those who use the extension telephone to be controlled. It has the effect of being able to send a message to. In particular, it facilitates message notification when the extension telephone to be controlled is busy.

  A third mode for carrying out the present invention is a mode subordinate to the second mode, wherein the control unit includes a first display portion of image data in which characters input by the input unit are displayed on the display unit, and In other words, the display is performed in a portion corresponding to the second display portion, and the display portion of the extension telephone can be selected and displayed.

  The fourth mode for carrying out the present invention is a mode subordinate to the second mode or the third mode, and the control means operates the button corresponding to the second display portion in the extension telephone. Receiving information to that effect, and receiving information indicating that the button corresponding to the second display portion has been operated on the extension telephone by the receiving means; Therefore, it has an effect that a response corresponding to the transmitted display portion can be obtained.

  A fifth mode for carrying out the present invention is a mode subordinate to any one of the second to fourth modes, and the control unit inputs the extension telephone paired with the communication device by the input unit. The extension telephone to be displayed is selected, and the image of the extension telephone corresponding to the type of the extension telephone paired with the communication terminal can be displayed on the display means, and the characters can be input by the input means. Therefore, since the operation can be performed from the input means of the communication terminal without operating the buttons of the extension telephone, there is an effect that the operation of making / receiving calls can be easily performed.

  A sixth mode for carrying out the present invention is a mode subordinate to the fifth mode, wherein the control unit inputs the characters displayed on the first display portion by the input unit and displays the telephone number for calling. This has the effect that the telephone number can be input from the communication terminal without operating the numeric keypad of the extension telephone.

  A seventh mode for carrying out the present invention is a mode subordinate to any one of the second to sixth modes, and when the control means determines that the calling extension telephone is busy, the extension telephone is , Which is selected as an extension telephone for displaying characters input by the input means, and in which part the message displayed on the extension telephone of the call destination can be displayed on the communication terminal very easily It has the effect of being able to grasp.

  An eighth mode for carrying out the present invention is a mode subordinate to any one of the second to seventh modes, wherein the control means receives the image data of the extension telephone from a private branch exchange and the storage means Even if the type of extension telephone connected to the private branch exchange is added, the image data added from the private branch exchange can be received and added. It has an effect.

  A ninth mode for carrying out the present invention is a mode subordinate to any one of the second to eighth modes, and the control means receives the notification of the presence of additional image data from the private branch exchange. This is to request additional image data from the exchange, and even when the type of extension telephone connected to the private branch exchange is added, the image data added from the private branch exchange is received and added. It has the effect that it can do.

  A tenth mode for carrying out the present invention is a mode subordinate to any one of the second to ninth modes, has a LAN interface, and the control means communicates with the private branch exchange via the LAN interface. Since it can communicate with the private branch exchange via the LAN, it has the effect of being able to use a PC connected to the LAN as a communication terminal.

  An eleventh mode for carrying out the present invention is a mode subordinate to any one of the second to tenth modes, has a USB interface, and the control means passes through the extension telephone via the USB interface. Because it can communicate with the private branch exchange via USB and via the extension telephone, the communication terminal can be connected to the private branch exchange even when there is no LAN environment. It has the effect which can be.

  A twelfth mode for carrying out the present invention is a mode subordinate to any one of the second to eleventh modes, wherein the control means has an image processing means for changing the color of the image data. Thus, the present invention has an operational effect of displaying an extension telephone image suitable for the user's preference.

  A thirteenth mode for carrying out the present invention is a mode subordinate to any one of the second to eleventh modes, and includes a communication device belonging to any one of the second to eleventh modes, an extension telephone, This is a communication system including a private branch exchange, and has an operational effect that a communication system having the above-described operational effects can be configured.

  According to a fourteenth embodiment for carrying out the present invention, in a communication system having a plurality of extension telephones, communication terminals and private branch exchanges, the extension telephone has a first display part or a second display part for displaying characters. A communication terminal, a display means having a display means, an input means for requesting an operation corresponding to the character displayed on the second display portion, and a transmission means for transmitting input information to the input means to the private branch exchange Includes storage means for storing image data of a plurality of extension telephones having different appearances, input means for inputting characters to be displayed on the first display portion and the second display portion of the extension telephone, and input means When the extension telephone that displays the characters to be input is selected, the image data of the extension telephone selected from the storage means is displayed, and the characters input by the input means are displayed in the image data. Character data for displaying on the first display portion and the second display portion of the extension telephone the display means for displaying on the display portion corresponding to one display portion and the second display portion, and the character input to the input means Transmitting means to transmit to the private branch exchange, and receiving means for receiving input information from the private branch exchange to the input means of the extension telephone in order to display on the display means that there has been an input to the input means of the extension telephone. The private branch exchange includes character data received from the communication terminal, and transmission means for transmitting the input information to the input means of the extension telephone to the communication terminal. An image of an extension telephone corresponding to the type of the extension telephone paired with the communication terminal can be displayed on the display means, and the display part of the extension telephone is selected to display characters. Since the communication terminal can obtain a response corresponding to the display part, the extension telephone of the caller can be connected to the extension telephone of the callee even if the caller does not answer the incoming call directly. This has the effect of being able to exchange messages between them.

(Embodiment 1)
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a connection configuration diagram of a communication system according to Embodiment 1 of the present invention. Reference numeral 1 denotes a private branch exchange, 2a and 2b are extension telephones connected to the private branch exchange 1, and are collectively referred to as an extension telephone 2. 3 a and 3 b are communication terminals connected to the extension telephone 2 and the LAN 4, and are collectively referred to as the communication terminal 3. Hereinafter, the configuration of these devices will be specifically described.

  FIG. 2 is a configuration diagram of the private branch exchange 1 according to Embodiment 1 of the present invention. The private branch exchange 1 includes extension I / F circuits 10a and 10b, a LAN-I / F 11, an outside line I / F 12, a speech path switch 13, a memory card I / F 14, a storage unit 15, and a control unit 16.

The extension I / F circuits 10a and 10b are I / F circuits for connecting the extension telephone 2. The extension I / F circuits 10a and 10b are collectively referred to as the I / F circuit 10, and transmit and receive voice data and control data with the extension telephone 2 through a 2B + D interface. Do. The LAN-I / F 11 is an I / F circuit for transmitting / receiving data to / from the communication terminal 3a or the like connected to the LAN 4 in accordance with the IEEE 802.3 standard. The external line I / F 12 is an I / F circuit for communicating with the public line network (PSTN). The call switch 13 is a time-division switch for connecting a voice signal between the extension I / Fs 10 and connecting a voice signal between the extension I / F 10 and the outside I / F 12.

  The memory card I / F 14 is an I / F circuit for reading data from a removable memory card (not shown) 14a and writing data to the memory card 14a. The memory card I / F 14 includes a detection circuit that detects that the memory card 14a is attached to or removed from the memory card I / F 14. The storage unit 15 is a storage unit having an extension information table 15a and a function key table 15b in addition to the control program and various setting information, and a RAM, a ROM, or the like is used. The control unit 16 controls the private branch exchange 1 as a whole.

  Here, the extension information table 15a and the function key table 15b will be specifically described with reference to FIGS. FIG. 3 is a diagram showing an example of the extension information table 15a of the private branch exchange according to Embodiment 1 of the present invention. In this table, various types of information are stored for each extension I / F 10. 15a1 is an extension number for calling the extension telephone 2 connected to the extension I / F 10, and is assigned to each extension I / F 10. 15a2 is information indicating the type of the extension telephone 2 connected to the extension I / F 10, and the telephone model code transmitted from the extension telephone 2 when the extension telephone 2 is connected to the extension I / F 10 is the extension I / F. The information is received by the control unit 16 via F10 and stored in the extension information table 15a by the control unit 16. Accordingly, the stored information varies depending on the type of the extension telephone 2 connected to the extension I / F 10.

  15a3 is information (communication terminal information) indicating the connection position of the communication terminal 3 paired with the extension telephone 2 connected to the extension I / F 10. For example, “192.168.0.4” is stored in the extension information table 15a corresponding to the extension I / F 10a, and the communication terminal 3 paired with the extension I / F 10a is connected on the LAN 4, The IP address on the LAN is “192.168.0.4”. Further, “USB” is stored in the extension information table 15a corresponding to the extension I / F 10b, and the communication terminal 3 paired with the extension I / F 10b is connected to the USB-I / F of the extension I / F 10b. ing. On the other hand, “none” is associated with the extension I / F 10c and stored in the extension information table 15a, and the communication terminal 3 paired with the extension I / F 10c is not registered.

  Here, the communication terminal information 15a3 is set by a setting operation from the communication terminal 3 on the LAN or the extension telephone 2 in order to pair the communication terminal 3 on the LAN with the extension telephone 2. On the other hand, when the communication terminal 3 is connected to the USB-I / F of the extension I / F 10b, information indicating that the communication terminal 3 is connected to the private branch exchange 1 is transmitted from the communication terminal 3 through the extension telephone 2. The control unit 16 receives this and stores it in the extension information table 15a.

  15a4 is information (extension telephone connection status information) indicating whether or not the extension telephone 2 is connected to the extension I / F 10. This information is stored in the extension information table 15a as "connected" when the extension telephone 2 is connected to the extension I / F 10, and "unconnected" when not connected or unable to communicate with the extension telephone 2. .

FIG. 4 is a diagram showing an example of the function key table 15b of the private branch exchange according to Embodiment 1 of the present invention. This table stores information indicating what functions are to be operated depending on the state of the extension telephone 2 when function keys 26b1 to 26b3 (described later) of the extension telephone 2 are operated. Further, the control unit 16 displays second display area portions 24b1 to 24b3 (described later) on the display unit 24 of the extension telephone 2 based on the information in the function key table 15b.

  In FIG. 4, the extension telephone 2 stores the function information of each of the function keys 1 to 3 (26b1 to 26b3) in the states of standby 15b1, incoming call 15b2, call 15b3, and message 15b4.

  For example, when the extension telephone 2 is on standby, the control unit 16 refers to 15b1 of the function key table 15b. Then, based on 15b1 of the function key table 15b, the control unit 16 sets “contrast” in the second display area portion 24b1 of the extension telephone 2, “bell volume” in the second display area portion 24b2, and the second display. The characters “BGM” are displayed in the area portion 24b3. When the function key 26b1 of the extension telephone 2 is operated, the contrast of the display unit of the extension telephone 2 is changed. When the function key 26b2 of the extension telephone 2 is operated, the bell volume of the extension telephone 2 is changed. When the function key 26b3 of the extension telephone 2 is operated, the BGM of the extension telephone 2 is controlled to be turned on / off.

  FIG. 5 is a configuration diagram of the extension telephone according to the first embodiment of the present invention. The extension telephone 2 includes a communication I / F 20, a voice processing circuit 21, a speaker 22, a microphone 23, a display unit 24, a USB-I / F 25, an input unit 26, and a control unit 27.

  The communication I / F 20 is an I / F circuit 10 having a 2B + D configuration in order to connect to the extension I / F 10 of the private branch exchange 1, and a control unit 26, which will be described later, transmits voice data and control data to the extension I / F 10. Used to send and receive. The voice processing circuit 21 performs D / A conversion on the voice data received from the private branch exchange 1 via the communication I / F 20 and outputs it to the speaker 22, or A / D converts the voice signal detected by the microphone 23. Output to the communication I / F 20.

  The display unit 24 is used to display information input from the input unit 26 or display information transmitted from the private branch exchange 1. An LCD or the like is used as the display unit 24.

  The USB-I / F 25 is an I / F circuit for connecting to the communication terminal 3. Data transmitted from the communication terminal 3 via the USB-I / F 25 is transmitted to the private branch exchange 1 by the control unit 27 via the communication I / F 20. When the control unit 27 determines that the data sent from the private branch exchange 1 via the communication I / F 20 is data addressed to the communication terminal 3, the control unit 27 communicates via the USB-I / F 25. The data is transmitted to the terminal 3.

  The input unit 26 is various keys such as dial keys and function keys. The input unit 26 may be a key such as a touch panel instead of a physical key. The control unit 27 controls the entire extension telephone 2.

  FIG. 6 is a diagram showing the appearance of the extension telephone according to Embodiment 1 of the present invention. As shown in FIG. 6, the display unit 24 includes a first display area portion 24a and second display area portions 24b1 to 24b3. The input unit 26 includes a numeric key 26a and function keys 26b1 to 26c and 26d.

Here, the function keys 26b1 to 26b1 correspond to the display contents of the second display area portions 24b1 to 24b3, respectively. For example, when the second display area portions 24b1 to 24b3 are in the display state as shown in FIG. 6, when the function key 26b1 is pressed, the contrast of the display unit 24 can be adjusted, and the function key 26b2 is pressed. Then, the ring volume of the extension telephone 2 can be adjusted, and when the function key 26b3 is pressed, the BGM can be switched ON / OFF. In the example of FIG. 6, the extension telephone 2 is in a standby state.

  FIG. 7 is a connection configuration diagram of the communication terminal according to Embodiment 1 of the present invention, in which 30 is a communication I / F, 31 is an audio processing unit, 32 is an input unit, 33 is a display unit, 34 is a storage unit, Reference numeral 35 denotes a control unit. Hereinafter, the configuration of these devices will be specifically described.

  The communication I / F 30 is an I / F circuit for transmitting and receiving signals between the private branch exchange 1 and the control unit 35, and a LAN-I / F for communicating with other devices via the LAN 4. A circuit 30 a is connected to the USB-I / F 25 of the extension telephone 2 and has a USB-I / F 30 b for communicating with the private branch exchange 1 via the extension telephone 2. The voice processing unit 31 is a circuit that processes voice data transmitted to and received from the private branch exchange 1 via the communication I / F unit 30 and has a microphone and a speaker (not shown). The input unit 32 includes a keyboard and a mouse, and the display unit 33 is an LCD or a display. The input unit 32 may be a touch panel.

  The storage unit 34 stores a control program and various setting information, and includes a RAM, a ROM, and the like. The storage unit 34 has an extension telephone image table 34a and an input area information table 34b. The extension telephone image table 34a stores image data of the front appearance of the extension telephone 2 for each type (model).

  FIG. 8 is a diagram showing an example of the extension telephone image table of the communication terminal according to Embodiment 1 of the present invention. For example, in the case of the extension telephone image table 34a as shown in FIG. 8, when the type of the extension telephone 2 is A, the appearance image 1 of the extension telephone 2 having the type A is provided. Further, when the type of the extension telephone 2 is C, an image 3 of the appearance of the extension telephone 2 having the C type is provided. It should be noted that the appearance image of the extension telephone 2 does not need to be a real image and may be one that can distinguish the type of the extension telephone.

  In the input area information table 34b, when the telephone image data stored in the extension telephone image table 34a is displayed on the display unit 33, the X and Y coordinates of the input area that can be input to the display screen are displayed. Stored for each type of telephone 2. FIG. 9 is a diagram showing an example of the input area information table of the communication terminal according to Embodiment 1 of the present invention. In FIG. 9, the input area 1 of the extension phone 2 of type A is X; 50 to 200, Y; 101 to 120. This indicates that two lines of characters can be input in this area with 18 characters per line. ing. Further, the input area 2 of the extension phone 2 of type A is X; 60 to 80, Y; 121 to 130, which represents that one line of characters can be input in this area with 5 characters per line. Here, the input area 1 corresponds to the first display area portion 24a, and the input areas 2 to 4 (the input area 4 is not shown) correspond to the second display area portions 24b1 to 24b3, respectively. “None” means that there is no input area. For example, a telephone set of type D indicates that there are no input areas 1 and 2 (that is, the extension telephone 2 of type D has a first display area portion. 24a, no second display area portion).

  The operation of the communication system configured as described above will be specifically described below.

  FIG. 10 is a flowchart showing the operation at the time of activation of the communication terminal in the first embodiment of the present invention, FIG. 11 is a flowchart showing the telephone image data receiving operation of the communication terminal in the first embodiment of the present invention, and FIG. FIG. 13 is a flowchart showing the operation of the private branch exchange in the first embodiment of the present invention, and FIG. 13 is a flowchart showing the operation of the private branch exchange in the first embodiment of the present invention.

  First, the operation at the time of starting the communication terminal will be described with reference to FIG.

  When a startup operation is performed in the communication terminal 3 by turning on the power or starting the communication application, the control unit 35 receives the data (extension information) in the extension information table 15a via the communication I / F 30. The extension information is requested to the private branch exchange 1 (S1). When the control unit 16 of the private branch exchange 1 receives a request for extension information from the communication terminal 3 via the extension I / F 10 or the LAN-I / F 11, the control unit 16 extracts the information from the extension information table 15 a and takes it out to the communication terminal 3. Send information. The control unit 35 of the communication terminal 3 receives the extension information transmitted from the private branch exchange 1 via the communication I / F 30 and stores it in the storage unit 34.

  Next, the control unit 35 of the communication terminal 3 inquires of the private branch exchange 1 via the communication I / F 30 whether there is an extension telephone 2 (corresponding extension telephone) that is paired with the own communication terminal 3. When this inquiry is received via the extension I / F 10, the control unit 16 of the private branch exchange 1 extracts the extension number corresponding to the extension I / F from the extension information table 15a. Then, the extracted extension number is transmitted to the communication terminal 3. On the other hand, when the inquiry is received via the LAN-I / F 11, the extension number corresponding to the source IP address of the inquiry is extracted from the extension information table 15a. Then, the extracted extension number is transmitted to the communication terminal 3. When the extension number corresponding to the inquiry source IP address does not exist in the extension information table 15a, information indicating that there is no extension telephone 2 that is paired with the own communication terminal 3 is transmitted to the communication terminal 3.

  When receiving a response to the inquiry from the private branch exchange 1, the control unit 35 of the communication terminal 3 determines whether there is an extension telephone 2 that is paired with the own communication terminal 3 (S2). When it is determined that there is an extension telephone 2 that is paired with the own communication terminal 3, the control unit 35 determines the type of the extension telephone 2 with the extension number received from the private branch exchange 1 based on the extension information stored in the storage unit 34. Discriminate (S3).

  Then, the extension telephone image data corresponding to the determined extension telephone type is extracted from the extension telephone image table 34a (S4), and the extracted image data is displayed on the display unit 33 (S5). For example, when the extension information table 15a is as shown in FIG. 3 and the extension number of the extension telephone paired with the own communication terminal 3 is 103, the extension information stored in the storage unit 34 includes the extension number 103. Since the telephone type is B, the control unit 35 determines that the telephone type of the communication terminal 3 is B, extracts the telephone type B extension telephone image data 2 from the extension telephone image table 34a, and displays it. It displays on the part 33 (refer FIG. 14).

  If the control unit 35 determines in S2 that the corresponding extension telephone 2 does not exist, it requests the private branch exchange 1 to display a setting screen for setting the corresponding extension telephone (S6). When receiving the request for setting screen display, the control unit 16 of the private branch exchange 1 transmits a setting screen to be displayed on the display unit 33 of the communication terminal 3. The control unit 35 of the communication terminal 3 displays the setting screen received from the private branch exchange 1. When the extension number of the corresponding extension telephone 2 is input by the input of the input unit 32, the input extension number is input to the private branch exchange 1. Send. The control unit 16 of the private branch exchange 1 stores the extension number transmitted from the communication terminal 3 in the extension information table 15a (S7), and sends the extension information table to the communication terminal 3 paired with the extension telephone 2. Notify that 15a has been updated. When receiving the extension information table update notification, the control unit 35 of the communication terminal 3 changes and updates the extension information stored in the storage unit 35 using the data of the update part included in the notification (S8).

The extension telephone image displayed on the display unit 33 of the communication terminal 3 is configured such that each key 26 becomes a GUI (graphical user interface). Accordingly, the user having the corresponding extension telephone 2 of the communication terminal 3 can input the dial number from the input unit 32 while looking at the display unit 33 of the communication terminal 3 instead of the extension telephone 2, off-hook / on-hook, and the function keys 26b1 to 26b3. It can be pressed. An operation from the input unit 32 is detected by the control unit 35, and a command corresponding to each operation is transmitted to the private branch exchange 1. The command transmitted from the communication terminal 3 is analyzed by the control unit 16 of the private branch exchange 1, and control according to the command is performed.

  Next, FIG. 12 is a flowchart showing the operation at the time of transmission of the communication terminal in the first embodiment of the present invention, and FIG. 13 is a flowchart showing the operation of the private branch exchange in the first embodiment of the present invention. With reference to FIG. 12 and FIG. 13, the operation at the time of outgoing call from the communication terminal or the corresponding extension telephone will be specifically described. First, when the private branch exchange 1 is in a standby state, a destination telephone number is input by an operation using the input unit 32 of the communication terminal 3 or an operation of the input unit 26 of the extension telephone 2 corresponding to the communication terminal 3, A transmission operation is performed by operating a key or the like (S12). When the control unit 16 of the private branch exchange 1 receives a call operation from the communication terminal 3 or the corresponding extension telephone 2 (S40), it detects the number of the call destination.

  Then, when the destination number is the number of the extension telephone 2, it is confirmed from the extension information table whether or not the connection state of the extension telephone 2 is “connected”. When the extension telephone is “connected”, it is further determined whether the extension telephone 2 is in a standby state or a call destination (S41). When the control unit 16 determines that the extension telephone 2 of the call destination is busy (S42), the control unit 16 notifies the communication terminal 3 of the caller that the call of the call extension telephone 2 is busy. In addition, a request to display that the telephone is busy is transmitted to the corresponding extension telephone 2 and a busy tone is output (S43).

  When receiving a notification from the private branch exchange 1 that the destination extension telephone 2 is busy (S13), the control unit 35 of the source communication terminal 3 responds to the telephone number of the destination extension telephone included in the notification. The model information of the extension telephone 2 to be determined is determined based on the extension information stored in the storage unit 34, and the extension telephone image data corresponding to the determined type of extension telephone is taken out from the extension telephone image data table 34 b and displayed on the display unit 33. (S14).

  For example, when the extension number of the destination extension telephone is 104, the control unit 35 of the communication terminal 3 determines from the extension information stored in the storage unit 34 that the extension telephone type of the extension number 103 is A, and the extension telephone The extension telephone image data 2 corresponding to the type A of the extension telephone 2 is extracted from the image information table 34 a and displayed on the display unit 33. FIG. 15 is a diagram showing a first display example when the communication terminal transmits a message according to the first embodiment of the present invention, and shows a display example of the extension telephone image data 2 of the extension telephone 2 type A. . Here, the control unit 35 configures the input areas 1 to 4 based on the input area information table 34b.

  When characters are input from the input unit 32 to the input areas 1 to 4 and the message transmission button is pressed, the control unit 35 determines that there is a message notification to the destination (S16), and that there is a message notification. And the characters entered in the input areas 1 to 4 are notified to the private branch exchange 1 (S17).

When receiving the message notification from the communication terminal 3 to the destination (S44), the control unit 16 of the private branch exchange 1 changes the function of the function keys 26b1 to 26b1 of the destination extension telephone 2 from "during call 15b3" to "message 15b4". (S45). In addition, the first display area portion of the extension telephone 2 is changed to the data transmitted from the communication terminal 3. Here, when the function of the function keys 26b1 to 26b1 of the destination extension telephone 2 is changed to “message 15b4”, the control unit 16 displays the “contrast” of the second display area portions 24b1 to 24b3 of the extension telephone 2. ”,“ Bell Volume ”,“ BGM ”are displayed as“ Message 1 ”,“ Message 2 ”,“ Message 3 ”.
The display data on the extension telephone 2 is changed so as to display (S46). The characters of “Message 1”, “Message 2”, and “Message 3” are the characters in the input areas 2 to 4 transmitted from the communication terminal 3, respectively. In addition, the first display area portion of the extension telephone 2 is changed to the characters of the input area 1 transmitted from the communication terminal 3.

  For example, when characters are input to the input area 1 and the input area 2 as shown in FIG. 15 on the communication terminal 3 and a message transmission button is pressed, the control unit 35 displays information indicating that there is a message notification and the input area 1. 2 is transmitted to the private branch exchange 1. Upon receiving these pieces of information, the control unit 16 of the private branch exchange 1 changes the function of the function keys 26b1 to 26b1 of the destination extension telephone 2 from "15b3 during call" to "message", and the second of the extension telephone 2 In order to display the display area portions 24b1 to 24b3 from “contrast”, “bell volume”, and “BGM” to “OK”, “(blank)”, and “(blank)”, respectively, Display data (“OK”, “(blank)”, “(blank)”) is transmitted. The control unit 27 of the extension telephone 2 performs display on the display unit 24 in accordance with the display data transmitted from the private branch exchange 1.

  Thereafter, the control unit 16 starts counting a timer in order to determine whether or not a predetermined time (for example, 1 minute) has elapsed (S47). If the control unit 16 detects that the function key 26b1 to 26b3 of the destination extension telephone 2 has been pressed before the predetermined time has elapsed by the timer (S50), the communication terminal 3 is notified of the pressed function key information. To do. Then, the function assigned to the function keys 26b1 to 26b1 of the destination extension telephone 2 is changed from “message 15b4” to “during call 15b3” with reference to the function table (FIG. 4) (S49).

  If the function key press information is notified from the private branch exchange 1 within the predetermined period (S18, S21) (S19), the control unit 35 is displayed in the input area corresponding to the function key press information in the display unit 33. The function key information pressed by the destination extension telephone 2 is displayed by emphasizing characters or changing the background color of the area.

  Thereafter, after the elapse of a predetermined period (for example, 5 seconds), the extension telephone image data displayed on the display unit 33 is changed from the type A of the calling extension telephone 2 to the type B of the corresponding extension telephone 2 (S20). On the other hand, if the private key exchange information is not notified from the private branch exchange 1 and a predetermined period has elapsed, the extension telephone image data displayed on the display unit 33 is changed from the type A of the outgoing extension telephone to the type B of the corresponding extension telephone 2 ( S22). In addition, when function key pressing information is notified from the private branch exchange 1 after changing to the type B of the corresponding extension telephone 2 in S22, a screen for notifying the type A image of the calling extension telephone 2 and the pressed function key is displayed. It is controlled by the control unit 35 so as to pop up.

  If the control unit 16 does not detect that the function key 26b1 to 26b3 of the destination extension telephone 2 has been pressed before the predetermined time has elapsed by the timer in S48, the function key 26b1 to 26b3 of the destination extension telephone 2 is assigned. The function is changed from “message 15b4” to “during call 15b3” with reference to the function table (FIG. 4) (S51).

  When the extension telephone image data corresponding to the destination extension telephone is retrieved from the extension telephone image data table 34b and displayed on the display unit 33, an extension telephone screen is provided as shown in FIG. 16 without providing an input area in the telephone screen. It is also possible to provide an input area next to. FIG. 16 is a diagram showing a second display example when the communication terminal transmits a message according to Embodiment 1 of the present invention.

Further, when the extension telephone image data coloring change means (not shown) is provided in the control unit 35 and the extension telephone image data is displayed by the operation from the input unit 32, the extension telephone image data is taken out from the storage unit, The color of the extension telephone image data may be changed to the color designated by the input unit 32 by the coloring change means. In this case, it is possible to change the color separately for each extension number or each type of extension telephone 2 (information on the color scheme operated by the input unit 32 is stored in the storage unit 34).

  Next, the operation of adding additional image data to the extension telephone image table of the communication terminal will be described with reference to FIG. In the default state, the communication terminal 3 stores image data of the extension telephone 2 in the extension telephone image table 34a. However, when the types of the extension telephones 2 increase, it is necessary to update the extension telephone image table 34a. Sex occurs.

  First, when the communication terminal 3 is in a standby state and is notified by the control unit 16 of the private branch exchange 1 that there is additional image data (including the image data number and extension telephone type information), the control unit 35 A notification is received (S30). When the control unit 35 receives the notification, the control unit 35 specifies and requests the image data name or the extension telephone type information to transmit the image data added to the private branch exchange 1 (S31). When the control unit 16 of the private branch exchange 1 receives a transmission request for additional image data from the communication terminal 3, the controller 16 extracts the designated image data from the memory card 14 a and transmits it to the communication terminal 3. When receiving the image data, the communication terminal 3 associates the type of extension telephone with the image data and stores it in the extension telephone image table 34a (S32).

  The notification of the additional image data from the control unit 16 of the private branch exchange 1 is that when the memory card is inserted into the memory card I / F 14, the control unit 16 detects that the extension telephone image data exists in the memory card. This is done by taking out the image data number and extension telephone type information stored in the memory card. The extension unit image data stored in the communication terminal 3 is previously recognized by the control unit 16 by a notification from the communication terminal 3, and the control unit 16 has image data different from the contents in the memory card 14a. The communication terminal 3 may be notified only at times.

  A communication terminal for displaying image data corresponding to an extension telephone connected to a private branch exchange, an image of the extension telephone corresponding to the type of the extension telephone to be controlled can be displayed on the display means, and a communication terminal that can be easily operated A communication system can be provided.

Connection configuration diagram of a communication system according to Embodiment 1 of the present invention Configuration diagram of the private branch exchange in Embodiment 1 of the present invention The figure which shows the example of the extension information table of the private branch exchange in Embodiment 1 of this invention The figure which shows the example of the function key table of the private branch exchange in Embodiment 1 of this invention Configuration diagram of extension telephone in embodiment 1 of the present invention The figure which shows the external appearance of the extension telephone in Embodiment 1 of this invention Connection configuration diagram of communication terminal according to Embodiment 1 of the present invention The figure which shows the example of the extension telephone image table of the communication terminal in Embodiment 1 of this invention. The figure which shows the example of the input area information table of the communication terminal in Embodiment 1 of this invention. The flowchart which shows the operation | movement at the time of starting of the communication terminal in Embodiment 1 of this invention. The flowchart which shows the telephone image data reception operation | movement of the communication terminal in Embodiment 1 of this invention. The flowchart which shows the operation | movement at the time of the transmission of the communication terminal in Embodiment 1 of this invention. The flowchart which shows operation | movement of the private branch exchange in Embodiment 1 of this invention. The figure which shows the example of a display at the time of starting of the communication terminal in Embodiment 1 of this invention The figure which shows the 1st example of a display at the time of the message transmission of the communication terminal in Embodiment 1 of this invention. The figure which shows the 2nd example of a display at the time of the message transmission of the communication terminal in Embodiment 1 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Private branch exchange 2a, 2b Extension telephone 3a, 3b Communication terminal 4 Local area network (LAN)
10a, 10b extension I / F
11 LAN-I / F
12 Outside I / F
13 Communication path switch 14 Memory card I / F
DESCRIPTION OF SYMBOLS 15 Memory | storage part 15a Extension information table 15b Function key table 16 Control part 20 Communication I / F
21 audio processing circuit 22 speaker 23 microphone 24 display unit 24a first display area part 24b1 to 24b3 second display area part 25 USB-I / F
26 Input unit 26b1 to 26b3 Function key 27 Control unit 30 Communication I / F
30a LAN-I / F
30b USB-I / F
31 voice processing unit 32 input unit 33 display unit 34 storage unit 34a extension telephone image table 34b input area information table 35 control unit

Claims (14)

A communication terminal connected to a communication system having a plurality of extension telephones and a private branch exchange,
Storage means for storing image data of a plurality of types of extension telephones;
Control for selecting one image data from the image data stored in the storage means based on the type of the extension telephone displayed on the display means, and extracting the selected image data from the storage means and displaying it on the display means And a communication terminal. Input means for inputting characters to be displayed on the first display part and / or the second display part of the extension telephone;
The control means displays the characters input by the input means on the display means while displaying the image data, and further displays the characters input to the input means in the first display portion of the extension telephone and A communication terminal that transmits the character data for display on the second display portion. The said control means displays the character input by the said input means on the part corresponding to the said 1st display part and / or 2nd display part of the image data displayed on the said display means, It is characterized by the above-mentioned. 2. The communication terminal according to 2. The control means includes receiving means for receiving information indicating that the button corresponding to the second display portion has been operated on the extension telephone;
3. The information display device according to claim 2, wherein when the receiving unit receives information indicating that the button corresponding to the second display portion has been operated on the extension telephone, the display unit displays the information. 3. The communication terminal according to 3. 5. The communication according to claim 2, wherein the control unit selects an extension telephone that is paired with the communication device as an extension telephone that displays characters input by the input unit. 6. Terminal. 6. The communication terminal according to claim 5, wherein the control means transmits a character input by the input means and displayed on the first display portion as a calling telephone number. 7. The control device according to claim 2, wherein the control unit selects the extension phone as an extension phone that displays characters to be input by the input unit when it determines that the calling extension phone is busy. Any one of the communication terminals. 8. The communication terminal according to claim 2, wherein the control unit receives image data of the extension telephone from a private branch exchange and stores the image data in the storage unit. 9. The communication terminal according to claim 2, wherein the control unit requests the additional image data from the private branch exchange when receiving a notification of the presence of the additional image data from the private branch exchange. Having a LAN interface,
10. The communication terminal according to claim 2, wherein the control means communicates with a private branch exchange via the LAN interface. A USB interface,
11. The communication terminal according to claim 2, wherein the control means communicates with a private branch exchange via the extension telephone via the USB interface. The communication terminal according to claim 2, wherein the control unit includes an image processing unit that changes a color of the image data. A communication system comprising the communication device according to any one of claims 2 to 12, an extension telephone, and a private branch exchange. In a communication system having a plurality of extension telephones, communication terminals and private branch exchanges,
The extension telephone has a display means having a first display part or a second display part for displaying characters;
Input means for requesting an operation corresponding to the character displayed on the second display portion;
Transmission means for transmitting input information to the input means to the private branch exchange,
The communication terminal includes storage means for storing image data of a plurality of the extension telephones each having a different appearance;
Input means for inputting characters to be displayed on the first display portion and the second display portion of the extension telephone;
When an extension telephone that displays characters input by the input means is selected, the image data of the extension telephone selected from the storage means is displayed, and the characters input by the input means are displayed in the first of the image data. Display means for displaying in a portion corresponding to the display portion and the second display portion;
Transmitting means for transmitting the character data to the private branch exchange in order to display the character input to the input means on the first display portion and the second display portion of the extension telephone;
Receiving means for receiving input information from the private branch exchange to the input means of the extension telephone from the private branch exchange in order to display on the display means that there has been an input to the input means of the extension telephone;
The private branch exchange includes transmission means for transmitting the character data received from the communication terminal to the extension telephone and transmitting input information to the input means of the extension telephone to the communication terminal. A communication system.

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