JP2007150926A - Extension telephone system, private branch exchange apparatus, portable extension telephone, and special number setting method to be used for them - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an extension telephone system capable of inputting a special number easily without putting human labor. <P>SOLUTION: When special-number setting is performed using an input unit 21 and a display unit 25, an IP-PBX 2 automatically forms a special-number list concerning special numbers and usable extension functions by its control section, and registers that special-number list in a memory 24 together with the date and time of the update. A portable extension telephone 1 allows its control section 12 to inquire of the IP-PBX 2 the date and time of the newest update of the special-number list from a communication section 11 through a communication path 100 in its initial communication with the IP-PBX 2, and compare the date and time of that newest update with the date and time of the newest update of the special-number list stored in a memory 14, acquires a special-number list from the IP-PBX and stores it in the memory 14, if the newest special-number list is not retained, and moreover performs special-number assignment to exclusive keys for inputting special numbers or a special-number inputting GUI such as an icon. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an extension telephone system, a private branch exchange, a portable extension telephone, and a special number setting method used therefor, and more particularly, to a special number setting method in IP-PBX (Internet Protocol-Private Branch eXchange) constituting the extension telephone system.

  Conventionally, in an extension telephone that can be connected to a PBX, a special key provided for inputting a special number, which is a number for selecting a specific calling method arbitrarily set in the PBX, or an icon on the screen (contents of a file) And a special number can be easily input by selecting a symbol representing a program type, a function, or the like) (see, for example, Patent Document 1).

JP 2000-151820 A

  However, in the above-described conventional extension telephone system, it is necessary for a system administrator or user to manually set a special number in a special number input GUI (Graphical User Interface) such as an extension telephone key or icon, which is complicated. There is also a problem that it takes time and effort.

  Also, in the conventional extension telephone system, in the case of a portable extension telephone, there are cases where one unit can be connected to a plurality of extension networks (IP-PBX), and in that case, the special number is different for each IP-PBX. It is necessary to redo.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an extension telephone system, a private branch exchange apparatus, a portable extension telephone, and a special number setting method used for them, which can solve the above problems and can easily enter a special number without human intervention. There is.

An extension telephone system according to the present invention is an extension telephone system using a private branch exchange apparatus and a portable extension telephone,
The private branch exchange apparatus has a means for obtaining a special number list for a set extension function and a special number indicating a number for selecting a specific call method arbitrarily set in the private branch exchange apparatus, and the acquired special number First storage means for storing the list,
When the mobile extension telephone acquires the special number list from the private branch exchange, the extension function of the special number list and the special number are assigned to a special key for inputting the special number and a special number input GUI (Graphical User Interface). Assigning means for assigning to either of them is provided.

A private branch exchange apparatus according to the present invention is a private branch exchange apparatus that constitutes an extension telephone system together with a portable extension telephone,
Means for acquiring a special number list for the set extension function and a special number indicating a number for selecting a specific calling method arbitrarily set in the own apparatus, and a first storage for storing the acquired special number list Means and
The mobile extension telephone to which the special number list is sent assigns the extension function and the special number of the special number list to either the dedicated key for inputting the special number or the special number input GUI (Graphical User Interface). ing.

A mobile extension telephone according to the present invention is a mobile extension telephone constituting an extension telephone system together with a private branch exchange,
A special number list for the extension function set by the private branch exchange and a special number indicating a number for selecting a specific calling method arbitrarily set in the private branch exchange is acquired and stored in the first storage means When the special number list is received from the private branch exchange, the extension function and the special number of the special number list are allocated to either the special key for inputting the special number or the special number input GUI (Graphical User Interface). Means.

The special number setting method according to the present invention is a special number setting method used for an extension telephone system using a private branch exchange and a portable extension telephone,
The private branch exchange acquires a special number list for a set extension function and a special number indicating a number for selecting a specific call method arbitrarily set in the private branch exchange, and the acquired special number list Storing in the first storage means;
When the mobile extension telephone obtains the special number list from the private branch exchange, the extension function and the special number of the special number list are changed to the dedicated key for inputting the special number and the special number input GUI (Graphical User Interface). An allocation process to allocate to one of them is executed.

  That is, the extension telephone system of the present invention automatically obtains a special number list automatically generated by the IP-PBX server in a system that uses an IP-PBX (Internet Protocol-Private Branch eXchange) and a portable extension telephone. By assigning it to a special number input GUI (Graphical User Interface) such as a dedicated key or icon (designation of file contents, program type, function, etc.) It is possible to easily enter special numbers using keys or icons without performing them.

  More specifically, in the extension telephone system of the present invention, in the IP-PBX, when the special number setting is performed using the input unit and the display unit, the extension function and special number (IP- A special number list is automatically created for a specific call method arbitrarily set in the PBX, and the special number list is registered in the storage unit together with the update date and time.

  When the mobile extension telephone is newly connected to the extension network, that is, at the initial communication with the IP-PBX, the control section inquires the IP-PBX about the latest update date and time of the special number list through the communication path. When the IP-PBX receives an inquiry from the communication unit, the control unit confirms the last update date and time of the special number list registered in the storage unit, and replies from the communication unit to the portable extension telephone through the communication path.

  When the mobile extension telephone receives a response from the communication unit, the control unit compares it with the last update date and time of the special number list stored in the storage unit. -Request the PBX to send a special number list. When the communication unit requests transmission of the special number list, the IP-PBX transmits the special number list registered in the storage unit from the communication unit to the portable extension telephone through the communication path.

  When the mobile extension telephone receives the special number list from the communication unit, the control unit stores the special number list in the storage unit, and at the same time, assigns a special number to a special number input GUI such as a special key for inputting a special number or an icon. At that time, the control unit notifies that the special number has already been set by turning on the special key for special number input to which the special number is actually assigned or changing the color of the icon for the special number input GUI such as an icon.

  Thereafter, when the user presses a special key for special number input or selects a special number input GUI such as an icon from the input unit, the control unit transmits the assigned special number to the IP-PBX.

  As a result, in the extension telephone system of the present invention, the special number to be transmitted when the special key input key for special number input is pressed or the special number input GUI such as an icon is selected from the input unit is assigned without human intervention. It becomes possible. In the extension telephone system of the present invention, it is possible to visually understand which of the dedicated key and the GUI has been assigned a special number.

  In other words, in the extension telephone system of the present invention, the special number list automatically created by the IP-PBX is acquired when the portable extension telephone is connected for the first time, and assigned to the GUI such as a special key for inputting the special number, an icon, etc. It is possible to easily enter a special number.

  Further, in the extension telephone system of the present invention, the special key for special number input to which the special number is assigned is turned on or the icon color of the icon or the like is changed to notify the fact that the special number has been set. This makes it possible to visually understand which of the dedicated key and the GUI has been assigned a special number.

  Further, in the extension telephone system of the present invention, when the last update date and time of the special number list registered in the IP-PBX is different from the special number list in the mobile extension telephone, the special number assignment is automatically performed again, so that the IP- Even when the special number setting is changed on the PBX, the latest special number can be assigned without making the user aware of it.

  By adopting the above-described configuration and operation, the present invention provides an effect that special number input can be easily performed without human intervention.

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an extension telephone system according to a first embodiment of the present invention. 1, the extension telephone system according to the first embodiment of the present invention is a mobile extension telephone 1 which is a portable terminal in an IP (Internet Protocol) extension telephone system and a server having a PBX (Private Branch eXchange) function. It is composed of a certain IP-PBX 2 and a communication path 100 connecting the mobile extension telephone 1 and the IP-PBX 2.

  The portable extension telephone 1 is a portable terminal capable of making calls in the IP extension telephone system, and includes an input unit 11 for inputting an extension number and a special number, a display unit 15 for performing various displays such as display of the number being input, and communication. About the communication unit 13 having a function of performing communication with the IP-PBX 2 via the path 100, an extension function that can be used, and a special number (a number for selecting a specific call method arbitrarily set in the IP-PBX) The storage unit 14 stores various data such as a special number list, and the control unit 12 controls each unit and executes a target operation. Note that control of each unit by the control unit 12 is realized by the control unit 12 executing a program stored in the storage unit 14.

  The IP-PBX 2 is a server that realizes a telephone exchange function in an IP extension telephone system, and displays an input unit 21 for performing various settings such as extension special numbers for the IP-PBX, and input results of setting data. The display unit 25, the communication unit 23 having a function of performing communication with the mobile extension telephone 1 via the communication path 100, the storage unit 24 for storing various data such as a special number list, and the like to control each unit. It is comprised from the control part 22 which performs operation | movement. The control of each unit by the control unit 22 is realized by the control unit 22 executing a program stored in the storage unit 24.

  The communication path 100 is a path (extension network) for communication between the mobile extension telephone 1 and the IP-PBX 2 and is usually an IP network via wireless in a part or all of the sections, but all are wired. It may be an IP network.

FIG. 2 is a block diagram showing a configuration example of the control unit 12 in the mobile telephone 1 shown in FIG. In FIG. 2, the control unit 12 has a special number list acquisition function 121 that is a function for acquiring a special number list from the IP-PBX 2 and a special key or icon for inputting a special number (the contents of the file, the type of the program, the function Special number list assignment function 122 assigned to a special number input GUI (Graphical User Interface), etc., and the special number assigned to the special number assigned to the special number are turned on or the color of the icon is set. This is composed of a setting special number display function 123 for notifying that it has been completed and an extension telephone function 124 that operates to realize a basic extension telephone function.

  FIG. 3 is a block diagram showing a configuration example of the control unit 22 in the IP-PBX 2 shown in FIG. In FIG. 3, the control unit 22 includes a special number setting function 221 for setting a special number to the PBX function, a special number list creation function 222 for automatically creating a special number list from the set special number, and a basic PBX function. And an extension telephone exchange function 223.

  4 is a flowchart showing the operation of the IP-PBX 2 shown in FIG. 1, and FIG. 5 is a flowchart showing the operation of the mobile extension telephone 1 shown in FIG. The operation of the extension telephone system according to the first embodiment of the present invention will be described with reference to FIGS. 4 is realized by the control unit 22 of the IP-PBX 2 executing the program in the storage unit 24, and the process shown in FIG. 5 is executed by the control unit 12 of the mobile telephone 1 in the program of the storage unit 14. It is realized by executing.

  The IP-PBX 2 uses the special number setting function 221, and when the special number is set from the input unit 21 and the display unit 25 (step S1 in FIG. 4), the special number list creation function 222 is automatically activated by the control unit 22. Then, a special number list for usable extension functions and special numbers is automatically created and registered in the storage unit 24 (step S2 in FIG. 4). At that time, the IP-PBX 2 registers the last update date and time in the storage unit 24 simultaneously with the registration of the special number list in the storage unit 24.

  When the mobile extension telephone 1 is newly connected to the extension network, for example, during initial communication with the IP-PBX 2 after the power is turned on (at the first connection) (step S11 in FIG. 5), the special number list acquisition function 121 is automatically performed by the control unit 12. First, it is checked whether or not the special number list exists in the storage unit 14 (step S12 in FIG. 5). When there is no special number list in the storage unit 14, the mobile extension telephone 1 acquires the special number list from the IP-PBX 2 (step S15 in FIG. 5).

  Further, when the special number list exists in the storage unit 14, the mobile extension telephone 1 inquires the IP-PBX 2 about the last update date / time of the special number list from the communication unit 13 via the communication path 3 and receives the inquiry from the communication unit 23. -The control part 22 of PBX2 confirms the last update date of the special number list registered in the memory | storage part 24, and answers via the communication path 3 from the communication part 23 (FIG.5 step S13).

  When receiving the response from the communication unit 13, the control unit 12 of the mobile telephone 1 compares the last update date / time of the special number list from the IP-PBX 2 with the last update date / time of the special number list stored in the storage unit 14 ( If the date and time are not the same, the special number list is acquired from the IP-PBX 2 (step S15 in FIG. 5).

  In this case, the control unit 12 requests the IP-PBX 2 to transmit the special number list from the communication unit 13 through the communication path 100. When the control unit 22 of the IP-PBX 2 is requested to transmit the special number list from the communication unit 23, the special number list registered in the storage unit 24 is transmitted from the communication unit 23 to the cellular phone 1 through the communication path 100. When receiving the special number list from the communication unit 13, the control unit 12 stores the special number list in the storage unit 14 together with the last update date / time.

  Further, the control unit 12 activates a special number list assignment function 122 and assigns a special number to a special number input GUI such as a special key for inputting a special number or an icon (step S16 in FIG. 5). Furthermore, the control unit 12 activates the setting special number display function 123, turns on a special key for special number input to which a special number is actually assigned, or displays an icon for a special number input GUI such as an icon displayed on the display unit 15. Color change or the like is performed, and notification is made that the special number has been set (step S17 in FIG. 5).

  When the last update date and time of the special number list owned by the IP-PBX 2 and the mobile extension telephone 1 are the same in the process of step S14, the special number is assigned to the special number input GUI such as a special key for inputting a special number or an icon, For the assignment display by lighting the key or changing the icon color, the previous setting is used as it is.

  Thereafter, when a special key input key is pressed from the input unit 11 or a GUI such as an icon is selected, the control unit 12 uses the extension telephone function 124 to assign the assigned special number to the extension of the IP-PBX 2. A call is sent to the telephone exchange function 223.

  Thus, in this embodiment, it is possible to assign a special number to be transmitted without manual intervention when a special key for inputting a special number is pressed from the input unit 11 or a GUI such as an icon is selected. . Further, in this embodiment, it is possible to make it easy to visually understand which of the dedicated key and the GUI has been assigned a special number.

  FIG. 6 is a diagram showing a special number list according to the first embodiment of the present invention, FIG. 7 is a diagram showing assignment of special numbers to dedicated keys according to the first embodiment of the present invention, and FIG. 8 is a diagram showing the present invention. FIG. 9 is a diagram showing an assignment of a special number to an icon according to the first embodiment, FIG. 9 is a diagram showing a lighting image of a dedicated key according to the first embodiment of the present invention, and FIG. 10 is a diagram illustrating the first embodiment of the present invention. It is a figure which shows the color change image of the icon by the Example of. The special number setting method according to the first embodiment of the present invention will be described in detail with reference to FIGS.

  In the IP-PBX 2, when the special number setting function 221 is used and the input unit 21 and the display unit 25 set the special number “11” for the extension function “call pickup” and the special number “12” for the extension function “absent transfer”. The control unit 22 automatically activates the special number list creation function 222, automatically creates a special number list as shown in FIG. 6, and registers the special number list in the storage unit 24. Here, it is assumed that only two special numbers are registered in the IP-PBX 2. At that time, although not shown in the drawing, the last update date and time are simultaneously registered in the storage unit 24 together with the registration of the special number list.

  In the mobile telephone 1, the control unit 12 automatically starts the special number list acquisition function 121 when initially connected to the extension network, for example, at the initial communication with the IP-PBX 2 after the power is turned on (first time connection). 14 confirms whether or not a special number list exists. If the special number list exists, the IP-PBX 2 is inquired about the last update date and time of the special number list.

  If the last update date and time returned from the IP-PBX 2 is not the same as that registered in the storage unit 14, the control unit 12 requests transmission of the IP-PBX 2 special number list and is stored in the storage unit 24 from the IP-PBX 2. The special number list will be sent. The control unit 12 stores the special number list transmitted from the IP-PBX 2 in the storage unit 14 together with the last update date / time.

  Further, the control unit 12 continues the above processing and activates the special number list assigning function 122, and assigns special numbers as shown in FIGS. 7 and 8 to GUIs such as special keys for inputting special numbers or icons. I do.

  In FIG. 7, the extension function “call pickup” and the special number “11” are assigned to the “extended key 1”, and the extension functions “absent transfer” and the special number “12” are assigned to the “extended key 2”. However, the extension function “busy transfer” with no special number set is assigned to “extended key 3”.

  In FIG. 8, the extension function “call pickup” and special number “11” are assigned to “icon 1”, and the extension functions “absent transfer” and special number “12” are assigned to “icon 2”. However, the extension function “busy transfer” with no special number set is assigned to “icon 3”.

  Further, the control unit 12 continues the above processing and activates the set special number display function 123 to light up the special key for special number input to which the special number is actually assigned (see FIG. 9) or display on the display unit 15. Change the color of the icon to the GUI (see FIG. 10) and notify that the special number has been set. In FIG. 9, “C pickup” is displayed on the button, but this is not a key provided exclusively for “call pickup”. If the “call pickup” function is assigned to “extended key 1”, The user or the system administrator has decided in advance.

  Thereafter, for example, when the “extended 1 key” displayed as “C pickup” (= call pickup) in FIG. 9 is pressed, the control unit 12 uses the assigned special number “11” using the extension telephone function 124. To the extension telephone exchange function 223 of the IP-PBX 2.

  As described above, in this embodiment, the mobile phone 1 acquires the special number list automatically created by the IP-PBX 2 at the first connection, and assigns the special number in the special number list to a GUI such as a special key for inputting the special number or an icon. Thus, a simple special number input method can be provided without human intervention.

  Also, in this embodiment, by turning on a special key for special number input to which a special number is assigned or changing the color of an icon to the GUI such as an icon, and notifying that the special number has been set, It is possible to make it easier to visually understand which of the dedicated key and the GUI has been assigned a special number.

  Further, in the present embodiment, when the last update date and time of the special number list registered in the IP-PBX 2 is different from the last update date registered together with the special number list in the mobile telephone 1, the special number is automatically assigned again. Thus, even when the special number setting is changed in the IP-PBX 2, the latest special number can be assigned without making the user aware of it.

  FIG. 11 is a flowchart showing the operation of the portable extension telephone according to the second embodiment of the present invention. The extension telephone system according to the second embodiment of the present invention has the same configuration as that of the extension telephone system according to the first embodiment of the present invention shown in FIG. 1 except that it can be connected to a plurality of IP-PBXs (not shown). It has become. In such a case, the special number setting is different for each IP-PBX.

  Therefore, in the second embodiment of the present invention, a plurality of special number lists can be registered in the storage unit 14 shown in FIG. 1, and a unique value for each IP-PBX, for example, a unique value when connecting to the IP-PBX 2 for the first time. The attached server name, MAC (Media Access Control) address, etc. are acquired, and a special number list is stored for each IP-PBX using this as a key.

  In FIG. 11, in steps S12 and S14 in FIG. 5, what is confirmed on the special number list stored in the storage unit 14 is confirmed as “special number list corresponding to connected IP-PBX”. (Steps S22 and S24), and the other steps S21, S23, and S25 to S27 are the same as steps S11, S13, and S15 to S17 in FIG. Referring to FIG. 11, the operation of the portable extension telephone according to the second embodiment of the present invention will be described.

  In the mobile extension telephone 1, when newly connecting to the extension network, that is, at the initial communication with the IP-PBX 2 (at the first connection), the control unit 12 automatically starts the special number list acquisition function 121, and first connects to the connected IP-PBX 2. A unique value, for example, a server name “PBX123” is acquired (step S21 in FIG. 11).

  Next, the control unit 12 checks whether there is a special number list corresponding to “PBX123” from the special number list registered in the storage unit 14 (step S22 in FIG. 11). When the special number list exists, the control unit 12 inquires of the IP-PBX 2 about the last update date and time of the special number list (step S23 in FIG. 11).

  If the last update date and time returned from the IP-PBX 2 is not the same as that of the special number list corresponding to “PBX 123” registered in the storage unit 14, the control unit 12 requests the IP-PBX 2 to transmit the special number list. The special number list stored in the storage unit 24 is transmitted from the IP-PBX 2 (step S24 in FIG. 11).

  The control unit 12 stores the transmitted special number list in the storage unit 14 together with the last update date and time as a special number list for “PBX 123” (step S25 in FIG. 11). Subsequent processing is the same as the operation of the portable extension telephone according to the first embodiment of the present invention described above. Thus, in the present embodiment, special number assignment is possible even when a plurality of portable extension telephones are connected to a plurality of IP-PBXs.

  FIG. 12 is a view showing a display image of an icon assigned with a special number according to the third embodiment of the present invention. In the first embodiment of the present invention, as shown in FIG. 10, the special number assigned icon is shown by color change. However, in the third embodiment of the present invention, the assigned number is assigned as shown in FIG. By not displaying the icon that is not displayed, the user is notified of the assigned icon. In addition, as a display of the special number assigned icon, it is also possible to notify the user of the assigned icon by changing the icon shape or the like.

  FIG. 13 is a view showing a display image of an icon assigned with a special number according to the fourth embodiment of the present invention, and FIG. 14 is a view showing contents of the icon before the special number assignment according to the fourth embodiment of the present invention. FIG. 15 is a diagram showing the contents of the icon after the special number assignment according to the fourth embodiment of the present invention.

  In the first embodiment of the present invention, as shown in FIG. 10, the function name such as “call pickup” is already displayed on the icon before assigning the special number, but in the fourth embodiment of the present invention, By assigning extension functions and special numbers to GUIs in order from the special number list without pre-defining the assignment of special number functions to GUIs such as icons, etc., and displaying the function name obtained from the special number list on the icon It is possible to support the extension function.

  As shown in FIG. 13A, before assigning the special number, no functions are assigned to the icons 1, 2 and 3, and no function name is displayed. The white icons (1) to (3) displayed in FIG. 13 (a) only indicate that such an icon is prepared, and nothing is visible to the user at this stage. Absent. The allocation image corresponding to this is shown in FIG.

  In the first embodiment of the present invention described above, the special number list is acquired in the process of step S15 shown in FIG. 5, and the special number is assigned to the icon in the process of step S16. In the present embodiment, this special number assignment is performed. In FIG. 15, the acquired extension functions are sequentially assigned to “icon (1)” and “icon (2)” (FIG. 15). In this embodiment, “call pickup” is assigned to “icon 1”, “absence transfer” is assigned to “icon 2”, “absence transfer” is assigned to “icon 1”, and “call pickup” is assigned to “icon 2”. May be assigned.

  Furthermore, in this embodiment, when the display is changed in the process of step S17 shown in FIG. 5, the extension function name is displayed on the icon, and finally only the icons 1 and 2 for which special numbers have been set are displayed through the display unit 15. [Refer to FIG. 13B].

  In each of the above-described embodiments, the special key and the icon are used as means for inputting the special number. However, input by a voice command (for example, when “call pickup” is spoken to the microphone, the corresponding special number is transmitted). The present invention can also be applied when other special number input means such as the above are used.

It is a block diagram which shows the structure of the extension telephone system by 1st Example of this invention. It is a block diagram which shows the structural example of the control part in the portable extension telephone shown in FIG. It is a block diagram which shows the structural example of the control part in IP-PBX shown in FIG. It is a flowchart which shows operation | movement of IP-PBX shown in FIG. It is a flowchart which shows the operation | movement of the portable extension telephone shown in FIG. It is a figure which shows the special number list by 1st Example of this invention. It is a figure which shows assignment of the special number to the exclusive key by 1st Example of this invention. It is a figure which shows assignment of the special number to the icon by 1st Example of this invention. It is a figure which shows the lighting image of the exclusive key by 1st Example of this invention. It is a figure which shows the color change image of the icon by 1st Example of this invention. It is a flowchart which shows operation | movement of the portable extension telephone by the 2nd Example of this invention. It is a figure which shows the display image of the icon assigned the special number by 3rd Example of this invention. It is a figure which shows the display image of the icon assigned the special number by 4th Example of this invention. It is a figure which shows the content of the icon before the special number allocation by the 4th Example of this invention. It is a figure which shows the content of the icon after the special number allocation by the 4th Example of this invention.

Explanation of symbols

1 Mobile phone
2 IP-PBX
11, 21 Input unit 12, 22 Control unit 13, 23 Communication unit 14, 24 Storage unit 15, 25 Display unit 100 Communication path 121 Special number list acquisition function 122 Special number list assignment function 123 Setting special number display function 124 Extension telephone function 221 Special number setting Function 222 Special number list creation function 223 Extension telephone exchange function

Claims (32)

An extension telephone system using a private branch exchange and a portable extension telephone,
The private branch exchange apparatus has a means for obtaining a special number list for a set extension function and a special number indicating a number for selecting a specific call method arbitrarily set in the private branch exchange apparatus, and the acquired special number First storage means for storing the list,
When the mobile extension telephone acquires the special number list from the private branch exchange, the extension function of the special number list and the special number are assigned to a special key for inputting the special number and a special number input GUI (Graphical User Interface). An extension telephone system characterized by having assignment means for assigning to either. The mobile extension telephone includes means for acquiring the special number list from the private branch exchange device at the first connection to the private branch exchange device,
2. The extension telephone system according to claim 1, wherein the assigning means assigns the extension function and the special number of the acquired special number list to the dedicated key and the input GUI. The portable extension telephone includes second storage means for storing the special number list acquired from the private branch exchange device,
When the special number list is acquired from the private branch exchange apparatus, it is confirmed that the last update date and time of the special number list is the same as the last update date and time of the special number list stored in the second storage means. 3. The extension telephone system according to claim 1, wherein a list reacquisition / assignment process is performed. The second storage means stores a unique value for each of the plurality of private branch exchanges and a special number list of the private branch exchanges identified by the unique values in association with each other,
The mobile extension telephone acquires the unique value at the first connection to the private branch exchange and confirms a special number list corresponding to the connected private branch exchange based on the unique value. 3. The extension telephone system according to 3.   The extension telephone according to any one of claims 1 to 4, wherein the portable extension telephone performs either lighting of a dedicated key assigned with the special number or a change in a display form of the input GUI. system.   The extension telephone system according to any one of claims 1 to 5, wherein the input GUI includes an icon indicating a symbol representing at least a file content, a program type, and a function.   7. The extension telephone system according to claim 6, wherein the change in the display form of the input GUI is at least one of a change in the color of the icon, a change in the shape of the icon, and a display / non-display of the icon.   The extension according to any one of claims 1 to 7, wherein the mobile extension telephone displays an extension function name of a special number list acquired from the private branch exchange on the input GUI to which the special number is assigned. Phone system.   The mobile extension telephone sequentially assigns the extension function and the special number to the input GUI based on a special number list acquired from the private branch exchange, and displays the extension function name of the special number list on the icon. The extension telephone system according to any one of claims 6 to 8.   The extension telephone system according to any one of claims 1 to 9, wherein the private branch exchange is an IP-PBX (Internet Protocol-Private Branch eXchange). A private branch exchange that forms an extension telephone system together with a portable extension telephone,
Means for acquiring a special number list for the set extension function and a special number indicating a number for selecting a specific calling method arbitrarily set in the own apparatus, and a first storage for storing the acquired special number list Means,
The mobile extension telephone to which the special number list is sent assigns the extension function and the special number of the special number list to either the special key for inputting the special number or the special number input GUI (Graphical User Interface). A private branch exchange apparatus characterized by that.   The private branch exchange apparatus according to claim 11, which is an IP-PBX (Internet Protocol-Private Branch eXchange). A portable extension telephone constituting an extension telephone system together with a private branch exchange,
A special number list for the extension function set by the private branch exchange and a special number indicating a number for selecting a specific calling method arbitrarily set in the private branch exchange is acquired and stored in the first storage means When the special number list is received from the private branch exchange, the extension function and the special number of the special number list are allocated to either the special key for inputting the special number or the special number input GUI (Graphical User Interface). A portable extension telephone characterized by comprising means. Means for obtaining the special number list from the private branch exchange device at the first connection to the private branch exchange device;
14. The portable extension telephone according to claim 13, wherein the assigning means assigns the extension function and the special number of the obtained special number list to the dedicated key and the input GUI. Second storage means for storing the special number list received from the private branch exchange apparatus;
When the special number list is acquired from the private branch exchange apparatus, it is confirmed that the last update date and time of the special number list is the same as the last update date and time of the special number list stored in the second storage means. 15. The portable extension telephone according to claim 13, wherein a list reacquisition / assignment process is performed. The second storage means stores a unique value for each of the plurality of private branch exchanges and a special number list of the private branch exchanges identified by the unique values in association with each other,
16. The portable extension telephone according to claim 15, wherein the unique value is acquired at the first connection to the private branch exchange, and a special number list corresponding to the private branch exchange connected based on the unique value is confirmed. .   The portable extension telephone according to any one of claims 13 to 16, wherein either the lighting of the dedicated key assigned with the special number or the change of the display form of the input GUI is performed.   18. The portable extension telephone according to claim 13, wherein the input GUI includes an icon indicating a symbol representing at least a file content, a program type, and a function.   19. The portable extension telephone according to claim 18, wherein the change in the display form of the input GUI is at least one of a change in the color of the icon, a change in the shape of the icon, and a display / non-display of the icon.   20. The portable extension telephone according to claim 13, wherein an extension function name of a special number list acquired from the private branch exchange is displayed on the input GUI to which the special number is assigned.   19. The extension function and the special number are sequentially allocated to the input GUI based on a special number list acquired from the private branch exchange, and the extension function name of the special number list is displayed on the icon. The mobile extension telephone according to claim 20.   The mobile extension telephone according to any one of claims 13 to 21, wherein the private branch exchange is an IP-PBX (Internet Protocol-Private Branch eXchange). A special number setting method used in an extension telephone system using a private branch exchange and a portable extension telephone,
The private branch exchange acquires a special number list for a set extension function and a special number indicating a number for selecting a specific call method arbitrarily set in the private branch exchange, and the acquired special number list Storing in the first storage means;
When the mobile extension telephone obtains the special number list from the private branch exchange, the extension function and the special number of the special number list are changed to the dedicated key for inputting the special number and the special number input GUI (Graphical User Interface). A special number setting method characterized by executing an assignment process for assigning to any one of them. The mobile telephone performs a process of acquiring the special number list from the private branch exchange device when connecting to the private branch exchange device for the first time,
24. The special number setting method according to claim 23, wherein the assignment processing assigns the extension function and the special number of the obtained special number list to the dedicated key and the input GUI.   The mobile extension telephone executes processing for storing the special number list acquired from the private branch exchange device in a second storage means, and when the special number list is obtained from the private branch exchange device, the last update date and time of the special number list is 24. The method according to claim 23, wherein it is confirmed that the date and time of the special number list stored in the second storage means is the same as the last update date and, if not, the special number list is reacquired / assigned. 24. Special number setting method according to 24. The second storage means stores a unique value for each of the plurality of private branch exchanges in association with a special number list of the private branch exchanges identified by the unique values;
The mobile extension telephone acquires the unique value at the first connection to the private branch exchange, and confirms a special number list corresponding to the private branch exchange connected based on the unique value. 25. Special number setting method according to 25.   27. The special number setting according to any one of claims 23 to 26, wherein the portable extension telephone performs either lighting of a dedicated key assigned with the special number or a change in a display form of the input GUI. Method.   28. The special number setting method according to claim 23, wherein the input GUI includes at least an icon indicating a symbol representing a file content, a program type, and a function.   29. The special number setting method according to claim 28, wherein the change in the display form of the input GUI is at least one of a change in the color of the icon, a change in the shape of the icon, and a display / non-display of the icon.   30. The special number according to claim 23, wherein the portable extension telephone displays an extension function name of a special number list acquired from the private branch exchange on the input GUI to which the special number is assigned. Setting method.   The mobile extension telephone sequentially assigns the extension function and the special number to the input GUI based on a special number list acquired from the private branch exchange, and displays the extension function name of the special number list on the icon. The special number setting method according to any one of claims 28 to 30.   32. The special number setting method according to claim 23, wherein the private branch exchange is an IP-PBX (Internet Protocol-Private Branch eXchange).

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