JP2021052349A - Telephone control device - Google Patents

Abstract

To permit proxy transmission to a designated other party while avoiding the leakage of other party information related to another party other than the designated other party in the other party information registered in an individual telephone directory.SOLUTION: A telephone control device that exchanges and connects a plurality of extension telephone terminals, including first and second extension telephone terminals, to a telephone network, includes a storage circuit that stores a first individual telephone directory in which other party information of the other party that can be used only from the first extension telephone terminal is registered, a call control unit that performs call control for exchanging and connecting a plurality of extension telephone terminals to the telephone network, and proxy call processing unit that allows proxy calls to designated other party for the second extension telephone terminal on the basis of destination information of the designated other party registered in the first individual telephone directory specified by the first extension telephone terminal, and an extension number of the second extension telephone terminal, and the proxy call processing unit keeps at least a telephone number of the other party included in the other party information of the designated other party secret from the second extension telephone terminal.SELECTED DRAWING: Figure 1

Description

The present invention relates to a proxy transmission technique for having another user make a call on behalf of the other user registered in the individual telephone directory of a certain user.

Telephone systems such as business phone systems and PBX systems have a telephone directory in which other party information such as the name and telephone number of the other party is registered, similar to mobile phones and smartphones. This telephone directory includes a shared telephone directory that can be shared by a plurality of users who use the telephone system, and an individual telephone directory that can be used only by registered users who have registered the other party information.
The individual phone book is a private phone book with security measures taken so that it cannot be used by other users. Therefore, even if the registered user has a schedule such as going out or having a meeting and cannot make a call to the other party registered in the individual phonebook, and requests another user to make a proxy call, the other user Cannot access the registered user's individual telephone directory from his / her own telephone terminal. Therefore, it is not possible to make a call to the other party registered in the individual telephone directory.

Conventionally, as a solution to such a problem, a technique for making an individual telephone directory accessible from an arbitrary telephone terminal has been proposed (see, for example, Patent Document 1). This technology uses confidential information such as a password for accessing the individual telephone directory to determine whether or not the individual telephone directory can be accessed. This allows other users to access the registered user's individual phonebook from their own telephone terminal and make a call on behalf of the registered party by entering confidential information. It becomes.

JP-A-2009-077075

In such a conventional technique, it is premised that the only user who accesses the individual telephone directory is a registered user. Therefore, if you want a user other than the registered user to make a call to the designated party registered in the individual phonebook on your behalf, you need to provide confidential information for accessing the individual phonebook. It is necessary to teach the users of. However, if this confidential information is used, other users can view all the other party information registered in the individual telephone directory. For this reason, if proxy calling is permitted, not only the party information of the designated party used for proxy calling but also the party information of other parties registered in the individual phonebook will be leaked, and individual calls will be made. The confidentiality that is the original feature of the book will be greatly lost.

The present invention is for solving such a problem, and among the other party information registered in the individual telephone directory, the designated other party while avoiding the leakage of the other party information regarding the other party other than the designated other party. The purpose is to provide a proxy transmission technology that can allow proxy transmission to the destination.

In order to achieve such an object, the telephone control device according to the present invention is a telephone control device for exchanging and connecting a plurality of extension telephone terminals including a first and second extension telephone terminals to a telephone network. To exchange and connect the plurality of extension telephone terminals to the telephone network with a storage circuit that stores the first individual telephone book in which the other party information of the other party that can be used only from the first extension telephone terminal is registered. The call control unit that performs call control, the destination information of the designated destination registered in the first individual telephone book designated by the first extension telephone terminal, and the second extension telephone terminal. The second extension telephone terminal is provided with a proxy transmission processing unit that allows the proxy transmission to the designated destination based on the extension number, and the proxy transmission processing unit is at least the other party of the designated destination. The other party's telephone number included in the destination information is kept secret from the second extension telephone terminal.

Further, in one configuration example of the telephone control device according to the present invention, the storage circuit stores a second individual telephone directory in which destination information that can be used only from the second extension telephone terminal is registered. The proxy transmission processing unit allows the second extension telephone terminal to make a proxy transmission to the designated destination by adding the destination information of the designated destination to the second individual telephone directory.

Further, in one configuration example of the telephone control device according to the present invention, the function of performing the proxy transmission is registered in the function key provided in the second extension telephone terminal, and the call control unit is a call control unit. The second extension telephone terminal is exchanged and connected to the telephone network based on the transmission request transmitted by operating the function key in which the function for performing proxy transmission is registered.

Further, in one configuration example of the telephone control device according to the present invention, the function of permitting the proxy transmission is registered in the function key provided in the first extension telephone terminal, and the proxy transmission processing unit. Allows the second extension telephone terminal to make a proxy call to the designated party based on the proxy call permission instruction transmitted by operating the function key in which the function for performing the proxy call permission is registered.

Further, in one configuration example of the telephone control device according to the present invention, the proxy transmission processing unit permits the second extension telephone terminal to make a proxy transmission to the designated destination only for a predetermined permission time. To do.

Further, in one configuration example of the telephone control device according to the present invention, in the proxy transmission processing unit, the second extension telephone terminal is connected to the designated destination by proxy transmission in the second extension telephone terminal. In that case, the permission for the proxy transmission is revoked.

According to the present invention, among the other party information registered in the individual telephone directory, it is possible to allow proxy transmission to the designated other party while avoiding leakage of the other party information regarding the other party other than the designated other party. It becomes possible to provide a proxy transmission technology that can be performed.

It is a block diagram which shows the structure of the telephone control device which concerns on 1st Embodiment. It is explanatory drawing which shows the registration example of the individual telephone directory. It is explanatory drawing which shows the other registration example of the individual telephone directory. It is a sequence diagram which shows the proxy transmission operation which concerns on 1st Embodiment. It is explanatory drawing which shows the screen display example of the proxy transmission permission operation which concerns on 1st Embodiment. It is explanatory drawing which shows the screen display example of the proxy transmission operation which concerns on 1st Embodiment. It is a sequence diagram which shows the proxy transmission operation which concerns on 2nd Embodiment. It is explanatory drawing which shows the screen display example of the proxy transmission permission operation which concerns on 2nd Embodiment. It is explanatory drawing which shows the screen display example of the proxy transmission operation which concerns on 2nd Embodiment. It is a sequence diagram which shows the proxy transmission operation which concerns on other embodiment. It is a sequence diagram which shows the proxy transmission operation which concerns on other embodiment.

Next, an embodiment of the present invention will be described with reference to the drawings.
[First Embodiment]
First, the telephone control device 10 according to the first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing a configuration of a telephone control device according to the first embodiment.

The telephone control device 10 as a whole includes a control device such as a main device and a PBX used in a telephone system 1 such as a business phone system and a PBX system. The telephone control device 10 accommodates N (N is an integer of 2 or more) extension telephone terminals (# 1, # 2, ..., # N) 20 as an extension, and exchanges these extension telephone terminals 20 with the telephone network NW. By connecting, a call service between the other party telephone device 30 and the extension telephone terminal 20 via the telephone network NW is provided.

The extension telephone terminal 20 is a general telephone terminal used as an extension telephone terminal of the telephone system 1. The extension telephone terminal 20 has a screen display device such as an LCD, and has a function of displaying telephone directory data and various messages in response to an instruction from the telephone control device 10.

[Telephone control device]
As shown in FIG. 1, the telephone control device 10 mainly includes a network interface circuit (hereinafter referred to as a network I / F circuit) 11, an extension interface circuit (hereinafter referred to as an extension I / F circuit) 12, and a storage circuit. 13 and a control circuit 14 are provided.

[Network I / F circuit]
The network I / F circuit 11 has a function of transmitting and receiving a call control message and voice data to and from a telephone network NW composed of an IP telephone network via a telephone line L1. In the following, a case where the telephone network NW is composed of an IP telephone network will be described as an example, but the present invention is not limited to this, and is a telephone network such as PSTN (Public Switched Telephone Network) or ISDN (Integrated Services Digital Network). You may.

[Extension I / F circuit]
The extension I / F circuit 12 has a function of transmitting and receiving control commands and voice data to and from a plurality of extension telephone terminals 20 via the extension line L2.
The network I / F circuit 11 and the extension I / F circuit 12 are composed of communication modules corresponding to the communication protocols used in the respective telephone lines L1 and extension line L2.

[Memory circuit]
The storage circuit 13 is composed of a storage device such as a hard disk or a semiconductor memory, and has a function of storing various processing data and a program 13P used for control processing in the control circuit 14.
The program 13P is software that realizes various processing units that execute control processing in the control circuit 14 by cooperating with the CPU (hardware) of the control circuit 14. The program 13P is read from an external device or a recording medium (not shown) connected to the telephone control device 10 via a communication line, and is stored in the storage circuit 13.

As the main processing data stored in the storage circuit 13, there is a telephone directory database (hereinafter referred to as a telephone directory DB) 13A. In the telephone directory DB 13A, an individual telephone directory (individual telephone directory data) in which the destination information of the other party that can be used only from each extension telephone terminal 20 is registered is stored for each extension telephone terminal 20. In the following, the individual telephone directory may be simply referred to as a telephone directory (telephone directory data).
FIG. 2 is an explanatory diagram showing an example of registration in the individual telephone directory. As shown in FIG. 2, in the individual telephone directory of extension telephone terminal # 1 (first extension telephone terminal), the other party whose name is "Company A", "Company B", and "Company C" As the information, the other party's telephone numbers "03-aaaa-aaaa", "03-bbbb-bbbb", and "03-cccc-cccc" are registered, respectively.

FIG. 3 is an explanatory diagram showing another registration example of the individual telephone directory. As shown in FIG. 3, in the individual telephone directory of the extension telephone terminal # 2 (second extension telephone terminal), the other party's telephone is used as the other party's information of the other party whose names are "D company" and "E company". The numbers "03-dddd-dddd" and "03-eeee-eeee" are registered, respectively.
In the following, as an example, a case where the extension telephone terminal # 1 is the permission source for the proxy transmission and the extension telephone terminal # 2 is the permission destination for the proxy transmission will be described. Further, for easy understanding, the individual telephone directory of the extension telephone directory # 1 is referred to as the permission source telephone directory D1, and the individual telephone directory of the extension telephone terminal # 2 is referred to as the permission destination telephone directory D2.

[Control circuit]
The control circuit 14 has a CPU and its peripheral circuits, and has a function of realizing various processing units that execute control processing by cooperating with the program 13P of the storage circuit 13.
The main processing units realized by the control circuit 14 include a call control unit 14A and a proxy transmission processing unit 14B.

[Call control unit]
The call control unit 14A has a function of performing call control related to various calls such as outgoing and incoming calls by exchanging call control messages with the telephone network NW via the network I / F circuit 11, and an extension. By exchanging control commands with each extension telephone terminal 20 via the I / F circuit 12, the operating state of each extension telephone terminal 20 can be controlled, and further, an extension call service between the extension telephone terminals 20 can be provided. The other party via the telephone network NW by exchanging and connecting the extension telephone terminal 20 to the telephone network NW in response to the function to be provided, the external line outgoing call request operation from the extension telephone terminal 20, and the external line incoming call notification from the telephone network NW. It has a function of providing a call service between the telephone device 30 and the extension telephone terminal 20.

Further, the call control unit 14A has a function of registering, deleting, changing, etc. of the other party information in the individual telephone directory of the requesting extension telephone terminal 20 in response to the telephone directory editing request from each extension telephone terminal 20. And, in response to the telephone directory access request operation in each extension telephone terminal 20, the other party information registered in the individual telephone directory of the request source extension telephone terminal 20 is acquired from the telephone directory DB 13A of the storage circuit 13 and obtained. According to the function of displaying the destination information on the screen of the requesting extension telephone terminal 20 and the outgoing operation on the requesting extension telephone terminal 20 using the destination information displayed on the screen, the specified destination It has a function to perform phonebook call processing using a phone number.

[Proxy call processing unit]
The proxy call processing unit 14B is an individual telephone directory of the extension phone terminal # 1 designated by the proxy call permission operation in the extension phone terminal (first extension phone terminal) # 1 which is the permission source of the proxy call. Based on the designated destination registered in the permission source phonebook (first individual phonebook) D1 and the extension number related to the extension phone terminal (second extension phone terminal) # 2 which is the permission destination for proxy transmission. , It has a function of permitting proxy transmission on the extension telephone terminal # 2 using the destination information of the designated destination registered in the permission source telephone directory D1.

In addition, the proxy call processing unit 14B has a function of concealing the display of the other party's telephone number included in the other party's information of the designated other party on the extension telephone terminal # 2, and the extension only for the permitted time specified in advance. It has a function to allow proxy transmission to telephone terminal # 2. When permitting proxy calling, proxy calling is performed from the time when proxy calling to extension telephone terminal # 2 is permitted until a certain permission time elapses according to the proxy calling permission operation on the extension telephone terminal # 1 which is the permission source. Is permitted, and the permission for proxy transmission may be revoked when a certain permission time has elapsed.

As a specific example according to the present embodiment, the proxy transmission processing unit 14B uses the extension telephone directory of the permission destination to obtain the other party information of the designated destination obtained from the permission source telephone directory D1 of the extension telephone terminal # 1 which is the permission source. By assigning it to the permission destination phonebook D2 of the terminal # 2, the function of permitting the proxy call on the extension telephone terminal # 2 and the other party of the designated destination from the permission destination phonebook D2 when a certain permission time elapses. It has a function to revoke the permission to make a proxy call by deleting the destination information.

At this time, when giving the other party information of the designated other party, all of the other party information may be given, but the other party information includes various personal information about the other party such as an e-mail address. In some cases. Therefore, preset information, for example, only a part of the other party information necessary for proxy transmission, including at least the other party's name and the other party's telephone number, may be added.

[Operation of the first embodiment]
Next, with reference to FIG. 4, the proxy transmission operation of the telephone control device 10 according to the present embodiment will be described. FIG. 4 is a sequence diagram showing a proxy transmission operation according to the first embodiment. Here, from the extension telephone terminal # 1 which is the permission source to the extension telephone terminal # 2 which is the permission destination, the "destination B" which is the other party registered in the permission source telephone directory D1 of the extension telephone terminal # 1. An example will be described in which a proxy transmission to "" is permitted. Prior to the permission to make a proxy call, it is assumed that the other party information as shown in FIG. 2 is registered in the permission source telephone directory D1 of the extension telephone terminal # 1, and the extension telephone terminal # which is the permission destination. It is assumed that the other party information as shown in FIG. 3 is registered in the permission destination telephone directory D2 of 2.

First, when the user of the extension telephone terminal # 1 which is the permission source makes an access request operation to the permission source telephone directory D1 at the extension telephone terminal # 1 (step S100), the extension telephone terminal # 1 to the extension line L2 A telephone directory access request is transmitted to the telephone control device 10 via the above (step S101).
The call control unit 14A receives the telephone book access request from the extension telephone terminal # 1 via the extension I / F circuit 12, and receives the destination information of the entire permission source telephone book D1 of the request source extension telephone terminal # 1. It is acquired from the telephone book DB 13A (step S102), and the obtained destination information is transmitted from the extension I / F circuit 12 to the extension telephone terminal # 1 via the extension line L2 (step S103).

The extension telephone terminal # 1 displays the destination information received from the telephone control device 10 on the screen (step S104). After that, when the proxy call permission operation is performed by the user of the extension telephone terminal # 1 (step S105), the proxy call destination "destination B" specified in the proxy call permission operation is permitted. A proxy transmission permission instruction including the extension number of the extension telephone terminal # 2 is transmitted from the extension telephone terminal # 1 to the telephone control device 10 via the extension line L2 (step S106).

The proxy call processing unit 14B receives the proxy call permission instruction from the extension telephone terminal # 1 via the extension I / F circuit 12, and the telephone number of the "destination B" designated as the other party in the proxy call permission instruction. The other party information including the above is acquired from the permission source telephone directory D1 of the telephone directory DB13A, and the obtained other party information of "the other party B" is the extension telephone terminal # 2 designated as the permission destination in the proxy transmission permission instruction. Is given (additionally registered) to the permitted destination telephone directory D2 (step S107). As a result, the extension telephone terminal # 2 is permitted to make a proxy call to the "destination B", and the time counting of the permitted time is started.

At this time, since the destination information given to the permission destination phonebook D2 is temporary for making a proxy call, it is registered in an area separate from the original destination information registered in the permission destination telephone directory D2. You may try to do so. For example, an area having a management number of 001 to 999 for managing each destination information may be assigned to the original destination information, and an area having a management number of 1000 or more may be allocated for proxy transmission. In addition, if a mark such as a star is added to the name of the other party as the identification information for identifying the other party's information for proxy transmission, the proxy transmission is made when the permitted destination telephone directory D2 is displayed on the screen. The user can easily find the other party information for the user. Further, when the permitted destination telephone directory D2 is displayed in a list on the screen, the destination information for proxy transmission to which this mark is attached is displayed at the top of the list, so that the user can display the destination information for proxy transmission. Can be easily found.

After that, the proxy call processing unit 14B sends a proxy call request notification indicating that the extension call terminal # 1 has requested the proxy call from the extension I / F circuit 12 via the extension line L2 to the extension telephone terminal # 2. (Step S108). The extension telephone terminal # 2 displays a request message on the screen indicating that the extension telephone terminal # 1 has requested a proxy call (step S109), and the user of the extension telephone terminal # 2 can use the permitted destination telephone directory D2. Perform an access request operation to (step S110). When there is an access request operation to the permitted destination telephone directory D2 at the extension telephone terminal # 2, the telephone directory access request is transmitted from the extension telephone terminal # 2 to the telephone control device 10 via the extension line L2 (step S111). ).

The call control unit 14A receives the telephone book access request from the extension telephone terminal # 2 via the extension I / F circuit 12, and receives the destination information of the entire authorized destination telephone book D2 of the requesting extension telephone terminal # 2. It is acquired from the telephone book DB 13A (step S112), and the obtained destination information is transmitted from the extension I / F circuit 12 to the extension telephone terminal # 2 via the extension line L2 (step S113).

The extension telephone terminal # 2 displays the destination information received from the telephone control device 10 on the screen (step S114). At this time, the display of the telephone number of "destination B" is kept secret. After that, when the user of the extension telephone terminal # 2 performs a telephone directory call operation in which the "destination B" is designated as the call destination in the extension telephone terminal # 2 (step S115), the extension is extended from the extension telephone terminal # 2. A telephone directory call request with the telephone number of "destination B" as the call destination is transmitted to the telephone control device 10 via the line L2 (step S116).

The call control unit 14A receives the telephone directory call request from the extension telephone terminal # 2 via the extension I / F circuit 12, and sets the telephone number of "destination B" designated as the destination (call destination). ) Is transmitted from the network I / F circuit 11 to the telephone network NW via the telephone line L1 (step S117). In response to this, the telephone network NW notifies the other party telephone device 30 of the "destination B" of an incoming call, and the response operation on the other party telephone device 30 (step S118) causes the other party telephone device 30 via the telephone network NW to receive an incoming call. A call with the extension telephone terminal # 2 is started (step S119). By starting this call, the proxy transmission to the "destination B" by the user of the extension telephone terminal # 2 is completed.

In addition, the proxy call processing unit 14B sets a preset permission time, for example, a clock of 10 minutes from the time when the extension telephone terminal # 2 is permitted to make a proxy call to the "destination B" in step S107. If it has started and the permitted time has elapsed (step S120), the telephone number of "destination B" related to proxy calling is deleted from the permitted destination telephone directory D2 of the extension telephone terminal # 2 (step S121), and a series of series is performed. Terminates the proxy call operation. In addition, when the user of the extension telephone terminal # 2 completes the proxy call to the "destination B", the telephone number of the "destination B" related to the proxy call is deleted from the permitted destination telephone directory D2. May be good.

[Operation example of the first embodiment]
Next, an example of a proxy transmission operation of the telephone control device 10 according to the present embodiment will be described with reference to FIGS. 5 and 6. FIG. 5 is an explanatory diagram showing a screen display example of the proxy transmission permission operation according to the first embodiment. FIG. 6 is an explanatory diagram showing a screen display example of the proxy transmission operation according to the first embodiment.

[Representative call permission operation]
First, with reference to FIG. 5, an operation example of the proxy call permission operation on the extension telephone terminal # 1 will be described. In step S105 of FIG. 4, when performing the proxy call permission operation on the extension telephone terminal # 1, the permitted party may be directly input by the key operation, but here, the permission source telephone directory D1 is used for permission. The case of setting the other party to be used will be described.

The screen 101 of FIG. 5 shows an example of displaying the destination information on the extension telephone terminal # 1 in step S104 of FIG. "Company A", "Company B", and "Company C" are listed.
When the user operates the cursor button and the confirmation button on the screen to select "Company B" on the screen 101, detailed destination information such as the telephone number of "Company B" is displayed as shown on the screen 102. Is displayed.
When the user presses the menu button on the screen on the screen 102, the operation menu related to the other party information of "Company B" is displayed as shown in the screen 103.

On the screen 103, when the user operates the cursor button and the confirmation button on the screen to select "6. Proxy call permission setting", as shown on the screen 104, enter the extension number to which the proxy call is permitted. An input screen is displayed.
On the screen 104, when the user operates the dial button of the extension telephone terminal # 1 to input the extension number "1002" of the extension telephone terminal # 2 and presses the confirm button, as shown in the screen 105, the proxy call is made. An input screen is displayed to enter the permitted time.

On the screen 105, when the user operates the dial button of the extension telephone terminal # 1 to enter the permitted time "30" and presses the confirm button, as shown in the screen 106, the setting contents of the proxy call permission are set. Is displayed.
When the user presses the confirm button on the screen on the screen 106, the setting of the proxy call permission is confirmed, and in step S106 of FIG. 4, the extension telephone terminal # 1 makes a proxy call to the telephone control device 10. The proxy transmission permission instruction including the other party, the permission destination, and the permission time will be transmitted. The permission time may be omitted from the extension telephone terminal # 1 by using the initial value set in the telephone control device 10 in advance. Further, although the buttons such as the cursor button, the confirmation button, and the clear button have been described as being displayed on the screen, these buttons may be formed on the extension telephone terminal as physical buttons.

In the above, the case where the user operates and inputs the permission destination and the permission time for permitting the proxy transmission on the extension telephone terminal # 1 has been described as an example, but the present invention is not limited to this. For example, the permitted destination and the permitted time are registered in advance in association with the function key of the extension telephone terminal # 1, and when the function key is pressed on the screen 102 of FIG. 5, the permission is registered in association with the function key. In step S106 of FIG. 4, the proxy transmission permission instruction for which the permission destination and the permission time are specified may be transmitted from the extension telephone terminal # 1 to the telephone control device 10. As a result, it is possible to omit the input operation of the permission destination and the permission time that allow the proxy transmission, and when the proxy transmission of the same permission destination and the permission time is repeatedly permitted, the input operation burden can be significantly reduced.

[Delegation call operation]
Next, with reference to FIG. 6, an operation example of the proxy transmission operation on the extension telephone terminal # 2 will be described.
The screen 110 of FIG. 6 is an example of displaying a request message indicating that a proxy transmission request has been made from the extension telephone terminal # 1 in step S109 of FIG.

The screen 111 shows an example of displaying the other party information on the extension telephone terminal # 2 in step S114 of FIG. 4, and "Company D" of FIG. 2 is set as the other party registered in the permitted destination telephone directory D2. And "Company E" and "Company B" given from the permission source telephone directory D1 by proxy transmission permission are displayed in a list. Here, "Company B", which is the destination of the proxy transmission, is displayed at the top of the list. A mark or the like indicating that "Company B" is the other party of the proxy transmission may be displayed.

When the user of the extension telephone terminal # 2 operates the cursor button and the confirmation button on the screen to select "Company B" on the screen 111, as shown on the screen 112, the detailed destination of "Company B" Information is displayed. At this time, a hidden message "-(hidden)-" is displayed in the telephone number column, and the telephone number is kept secret.

When the user presses the menu button on the screen on the screen 112, as shown on the screen 113, the operation menu related to the other party information of "Company B" is displayed.

When the user operates the cursor button and the confirmation button on the screen to select "1. Outgoing" on the screen 113, in step S116 of FIG. 4, the extension telephone terminal # 2 calls the telephone control device 10. The book transmission request is transmitted, and the proxy transmission is performed by the telephone directory transmission using the permitted destination telephone directory D2.
At this time, a transmission processing screen as shown on the screen 114 is displayed. The name and telephone number of the called party are displayed on the normal call processing screen, but on the screen 114, a hidden message "-(hidden)-" is displayed in the telephone number field, and the telephone number. The display of is concealed.

As a method of concealing the telephone number display in the extension telephone terminal # 2, a known or well-known method may be used. For example, when the other party information is given to the permission destination telephone directory D2, the permission destination telephone directory D2 identifies that the other party information is the data given for proxy transmission by the identification information such as a mark or a flag. When displaying each other party information in the permitted destination phonebook D2 on the extension telephone terminal # 2, refer to the identification information and keep the display of the other party's telephone number concealed for the other party information for proxy calling. You may do it.

[Effect of the first embodiment]
As described above, in the present embodiment, the designated destination registered in the permission source telephone directory D1 and the extension telephone which is the permission destination specified in the proxy call permission operation on the extension telephone terminal # 1 which is the permission source. Based on the extension number related to the extension terminal # 2, the destination information of the designated destination registered in the permission source telephone directory is used to allow the proxy transmission on the extension telephone terminal # 2.

In the present embodiment, among the destinations registered in the permission source telephone directory D1 of the extension telephone terminal # 1, the proxy transmission using the destination information of the designated destination is sent to the designated extension telephone terminal # 2. Can be allowed. Therefore, the user of the extension telephone terminal # 1 can make a proxy call to the designated destination without telling the user of the extension telephone terminal # 2 the telephone number of the designated destination by verbal or e-mail. Can be allowed. Therefore, even if the registered user has a schedule such as going out or a meeting and has no time to spare, it is possible to quickly request a proxy call.

In addition, since the display on the extension telephone terminal # 2 regarding the telephone number of the other party included in the destination information of the designated destination is kept secret, the other party of the designated destination for the user of the extension telephone terminal # 2. The disclosure of the destination telephone number can be restricted, and the use of the destination telephone number for a purpose different from that of proxy calling can be suppressed. Without significantly losing the confidentiality that is the original feature of the individual phonebook, the information such as the phone number is kept secret by making a proxy call using the other party information of the designated party registered in the permission source phonebook D1. However, it is possible to allow it.

Further, in the present embodiment, the proxy transmission to the extension telephone terminal # 2 may be permitted only for the permitted time specified in advance. As a result, the use of the other party information permitted for proxy transmission by the extension telephone terminal # 2 can be restricted within the permitted time, and the use of the other party information for a purpose different from that of the proxy transmission can be suppressed. Is possible.

Further, in the present embodiment, when a call is made between the extension telephone terminal # 2 and the designated party by the proxy transmission on the extension telephone terminal # 2, the permission for the subsequent proxy transmission may be revoked. Good. As a result, the use of the other party information permitted for the proxy call by the extension telephone terminal # 2 can be restricted to the first call with the designated party, and the other party for a purpose different from the proxy call can be made. It is possible to suppress the use of information.

Further, in the present embodiment, the proxy call processing unit 14B transfers the other party information of the designated destination acquired from the permission source telephone directory D1 of the extension telephone terminal # 1 to the permission destination telephone directory D2 of the extension telephone terminal # 2. By granting, proxy calling on extension phone terminal # 2 is permitted, and proxy calling is permitted by an extremely simple process of copying the other party information from the permission source phonebook D1 to the permission destination phonebook D2. It becomes possible.

[Second Embodiment]
Next, the telephone control device 10 according to the second embodiment of the present invention will be described.
In the first embodiment, as an example, a case where proxy transmission using the destination information of the designated destination is permitted by using the permission destination telephone directory D2 of the extension telephone terminal # 2 which is the permission destination of the proxy transmission is used as an example. explained. In the present embodiment, a case where proxy transmission is permitted by using a function key capable of registering a predetermined function will be described.

Generally, a telephone terminal in a business phone system is provided with a function key that can customize the function of an extension telephone according to a user's request by registering a predetermined function for each telephone terminal. By registering a predetermined function in the function key in advance, the registered predetermined function can be automatically executed only by pressing the function key. In the present embodiment, the proxy transmission is permitted by using this function key.

That is, in the present embodiment, the extension telephone terminal is registered by associating the function key provided in the extension telephone terminals # 1 and # 2 with the proxy call permission function and the call processing function based on the proxy call request. # 1 is configured to allow proxy outgoing calls on the extension telephone terminal # 2.

[Operation of the second embodiment]
Next, with reference to FIG. 7, the proxy transmission operation of the telephone control device 10 according to the present embodiment will be described. FIG. 7 is a sequence diagram showing a proxy transmission operation according to the second embodiment.
Here, from the extension telephone terminal # 1 which is the permission source to the extension telephone terminal # 2 which is the permission destination, the "destination B" which is the other party registered in the permission source telephone directory D1 of the extension telephone terminal # 1. An example will be described in which a proxy transmission to "" is permitted. Prior to the permission of the proxy call, the proxy call permission function and the call processing function based on the proxy call request are registered in the predetermined function keys of the extension telephone terminals # 1 and # 2, respectively (step S200).

First, when the user of the extension telephone terminal # 1 which is the permission source makes an access request operation to the permission source telephone directory D1 at the extension telephone terminal # 1 (step S201), the extension telephone terminal # 1 to the extension line L2 A telephone directory access request is transmitted to the telephone control device 10 via the above (step S202).

The call control unit 14A receives the telephone book access request from the extension telephone terminal # 1 via the extension I / F circuit 12, and receives the destination information of the entire permission source telephone book D1 of the request source extension telephone terminal # 1. It is acquired from the telephone book DB 13A (step S203), and the obtained destination information is transmitted from the extension I / F circuit 12 to the extension telephone terminal # 1 via the extension line L2 (step S204).

The extension telephone terminal # 1 displays the destination information received from the telephone control device 10 on the screen (step S205). Here, the function key in which the proxy call permission function of the extension telephone terminal # 1 is registered lights up (step S206), and the user of the extension telephone terminal # 1 can perform the proxy call permission by operating the function key. .. After that, when the proxy call permission operation is performed by the user of the extension telephone terminal # 1 (step S207), the partner of the "destination B" who is the proxy call destination specified in the proxy call permission operation. A proxy transmission permission instruction including the destination telephone number and the extension number of the extension telephone terminal # 2 which is the permission destination is transmitted from the extension telephone terminal # 1 to the telephone control device 10 via the extension line L2 (step S208).

Upon receiving the proxy call permission instruction, the proxy call processing unit 14B sends a proxy call request notification indicating that the proxy call is requested from the extension telephone terminal # 1 from the extension I / F circuit 12 via the extension line L2. It is transmitted to the telephone terminal # 2 (step S209). The extension telephone terminal # 2 displays a request message on the screen indicating that the extension telephone terminal # 1 has requested a proxy transmission in response to the proxy transmission request notification received from the telephone control device 10 (step S210). The display lamp of the function key of the extension telephone terminal # 2 to which the proxy call function is assigned blinks and displays (step S211). At this time, the display of the telephone number of "destination B" is kept secret.

After that, when the user of the extension telephone terminal # 2 operates a function key on the extension telephone terminal # 2 (step S212), the extension telephone terminal # 2 is transferred to the telephone control device 10 via the extension line L2. A call request with the telephone number of "destination B" as the call destination is transmitted (step S213).

The call control unit 14A receives a call request from the extension telephone terminal # 2 via the extension I / F circuit 12, and sets the telephone number of "destination B" designated as the call destination as the call destination (call destination). The transmission request to be made is transmitted from the network I / F circuit 11 to the telephone network NW via the telephone line L1 (step S214). In response to this, the telephone network NW notifies the other party telephone device 30 of the "destination B" of an incoming call, and the response operation on the other party telephone device 30 (step S215) causes the other party telephone device 30 via the telephone network NW to receive an incoming call. A call with the extension telephone terminal # 2 is started (step S216). By starting this call, the proxy transmission to the "destination B" by the user of the extension telephone terminal # 2 is completed.

[Operation example of the second embodiment]
Next, an example of a proxy transmission operation of the telephone control device 10 according to the present embodiment will be described with reference to FIGS. 8 and 9. FIG. 8 is an explanatory diagram showing a screen display example of the proxy transmission permission operation according to the second embodiment. FIG. 9 is an explanatory diagram showing a screen display example of the proxy transmission operation according to the second embodiment.

[Representative call permission operation]
First, with reference to FIG. 8, an operation example of the proxy call permission operation on the extension telephone terminal # 1 will be described. In step S207 of FIG. 7, when the extension telephone terminal # 1 performs the proxy call permission operation, the user of the extension telephone terminal # 1 operates the cursor button and the confirmation button on the screen to permit the registration registered in advance. Display the other party in a list, and select the other party to allow from the list of the other party.

The screen 201 of FIG. 8 shows an example of displaying the other party information on the extension telephone terminal # 1 in step S205 of FIG. 7, and the other party registered in the permitted destination telephone directory D1 is the “destination” of FIG. "Company A", "Company B", and "Company C" are listed.

When the user of the extension telephone terminal # 1 operates the cursor button and the confirmation button on the screen to select "Company B" on the screen 201, the telephone number of "Company B" or the like is displayed as shown on the screen 202. Detailed destination information is displayed. At this point, the function key of the extension telephone terminal # 1 in which the proxy call permission function is registered is lit.

On the screen 202, when the user presses the lit function key of the extension telephone terminal # 1, as shown in the screen 203, a preset permission list indicating the extension telephone number of the proxy transmission is displayed. When the user operates the cursor button and the confirmation button on the screen to select "permission destination: 1002" corresponding to the extension telephone terminal # 2, the setting of the proxy call permission is confirmed, and in step S207 of FIG. , The extension telephone terminal # 1 will transmit the proxy transmission permission instruction to the telephone control device 10. Although the list of permitted destinations is explained by the extension telephone number, it may be an extension name such as a name. It is also possible to select multiple items from the permission list and have someone selected to make a proxy call.

[Delegation call operation]
Next, with reference to FIG. 9, an operation example of the proxy transmission operation on the extension telephone terminal # 2 will be described. Screen 211 of FIG. 9 shows an example of displaying a request message on extension telephone terminal # 2 in step S210 of FIG. 7, and is a user of extension telephone terminal # 1 which is a permission source (request source) for proxy transmission. The fact that there was a request for proxy call and the name of the other party of the proxy call are displayed on the screen. At this point, the function key in which the proxy call function of the extension telephone terminal # 2 is registered blinks.

When the user of the extension telephone terminal # 2 presses the function key of the extension telephone terminal # 2 whose lamp is blinking on the screen 211, the extension telephone terminal # 2 is transferred to the telephone control device 10 in step S213 of FIG. A call request is transmitted to the call, and a proxy call is made by making a call using the permitted destination telephone directory D2.
At this time, a transmission processing screen as shown on the screen 212 is displayed. The name and phone number of the called party are displayed on the normal call processing screen, but on the screen 212, the hidden message "-(hidden)-" is displayed in the phone number field, and the phone number. The display of is concealed. Although the buttons such as the cursor button, the confirmation button, and the clear button have been described as being displayed on the screen, these buttons are formed on the extension telephone terminal as physical buttons as in the first embodiment. You may be.

[Effect of the second embodiment]
As described above, in the present embodiment, by registering the proxy call permission function and the proxy call function in the function keys of the extension telephone terminals # 1 and # 2, the proxy call permission and the extension telephone terminal in the extension telephone terminal # 1 are registered. This is to make a proxy call in # 2. This makes it possible to realize the proxy transmission function with a simpler operation as compared with the first embodiment.

[Extension of Embodiment]
Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the structure and details of the present invention within the scope of the present invention. In addition, each embodiment can be implemented in any combination within a consistent range.

For example, as shown in FIG. 10, the proxy call permission function in the extension telephone terminal # 1 is realized by operating a function key registered in advance, and the proxy call function in the extension telephone terminal # 2 is a call operation using the telephone directory D2. It may be done by.

Further, as described in FIG. 11, contrary to FIG. 10, the proxy call permission function in the extension telephone terminal # 1 is realized by operating the telephone directory D1, and the proxy call function in the extension telephone terminal # 2 is registered in advance. It may be performed by operating the function key.

1 ... Telephone system, 10 ... Telephone control device, 11 ... Network I / F circuit, 12 ... Extension I / F circuit, 13 ... Storage circuit, 13A ... Telephone book DB, 13P ... Program, 14 ... Control circuit, 14A ... Call Control unit, 14B ... Proxy call processing unit, 20, # 1, # 2, ..., # N ... Extension telephone terminal, 30 ... Remote telephone device, L1 ... Telephone line, L2 ... Extension line, NW ... Telephone network.

Claims (6)

A telephone control device that exchanges and connects a plurality of extension telephone terminals including the first and second extension telephone terminals to a telephone network.
A storage circuit that stores a first individual telephone directory in which the other party information of the other party that can be used only from the first extension telephone terminal is registered, and a storage circuit.
A call control unit that performs call control for switching and connecting the plurality of extension telephone terminals to the telephone network, and
The second, based on the destination information of the designated destination registered in the first individual telephone directory designated by the first extension telephone terminal and the extension number of the second extension telephone terminal. Equipped with a proxy call processing unit that allows proxy calls to the designated party to the extension telephone terminal of
The proxy transmission processing unit
A telephone control device characterized in that at least the telephone number of the other party included in the other party information of the designated other party is kept secret from the second extension telephone terminal. In the telephone control device according to claim 1,
The storage circuit
Stores the second individual telephone directory in which the other party information that can be used only from the second extension telephone terminal is registered.
The proxy transmission processing unit
A telephone control device characterized in that by adding the destination information of the designated destination to the second individual telephone directory, the second extension telephone terminal is allowed to make a proxy call to the designated destination. In the telephone control device according to claim 1,
The function for making a proxy call is registered in the function key provided on the second extension telephone terminal.
The call control unit
A telephone control device characterized in that the second extension telephone terminal is exchanged and connected to the telephone network based on a transmission request transmitted by operating a function key in which the function of performing proxy transmission is registered. In the telephone control device according to any one of claims 1 to 3.
The function for permitting the proxy transmission is registered in the function key provided in the first extension telephone terminal.
The proxy transmission processing unit
A feature of permitting the second extension telephone terminal to make a proxy call to the designated party based on a proxy call permission instruction transmitted by operating a function key in which the function for permitting a proxy call is registered. Telephone control device. In the telephone control device according to any one of claims 1 to 4.
The proxy transmission processing unit
A telephone control device characterized in that a proxy transmission to the designated destination is permitted for the second extension telephone terminal only for a predetermined permission time. In the telephone control device according to any one of claims 1 to 5.
The proxy transmission processing unit
A telephone control device characterized in that when the second extension telephone terminal is connected to the designated destination by proxy transmission in the second extension telephone terminal, the permission for the proxy transmission is revoked.

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