JP2007096869A - Key telephone system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a key telephone system capable of easily identifying an outside line on hold to respond to. <P>SOLUTION: A display processing means 13b generates hold display information including at least the identification number of the outside line on hold and the name of a user to be a destination on the basis of destination information specifying the name of the user to respond to the outside line on hold and an outside line I/F part 11, and transmits it to other key telephone sets. Thus, since the identification number of the outside line on hold and the name of the user to respond to the outside line on hold are displayed at the image display parts 26 of all the key telephone sets, the user can recognize the outside line on hold and the user to respond to the outside line on all the key telephone sets. Thus, the user can respond to telephone communication with the outside line on hold addressed to himself/herself even by other telephone set which is not the key telephone set to be the destination. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a button telephone system, and more particularly to a button telephone system having a hold function.

  In general, the key telephone system is composed of a main device connected to a telephone network and one or more key telephones connected to the main device. The key telephone detects the key operation and the state of the handset, and sends the operation information to the main unit. The main unit performs function processing based on the operation information from the key telephone, thereby enabling the telephone network to transmit the operation information. Various functions such as an external line call, an internal line call with another key telephone, and a hold operation for holding an external line during a call are realized.

  In such a key telephone system, when responding to a reserved outside line (hereinafter referred to as “holding outside line”), the user identifies the reserved outside line by an outside line lamp provided on the outside line button and indicating a holding state. , Press the corresponding outside line button. As a result, a call path is established between the key telephone in which the outside line button is pressed and the on-hold outside line, and a call can be made. In such a hold response operation, when a plurality of external lines are held, the user may not know which hold external line to respond to. In recent years, therefore, a key telephone system has been proposed in which a key telephone to be responded to a reserved external line is designated, and the designated key telephone is displayed so that an external line to be answered can be identified (see, for example, Patent Document 1). .).

JP-A-5-316220

  However, in the conventional key telephone system, when other key telephones that are not designated key telephones respond to a reserved outside line, there is a situation in which it becomes difficult to know which reserved line to respond to. In addition, when a plurality of users use the same key telephone, a situation has arisen in which it is not known which user should respond to the reserved outside line.

  Accordingly, the present invention has been made to solve the above-described problems, and an object thereof is to provide a button telephone system that can easily identify an external line that should respond to a hold.

  In order to solve the problems as described above, a key telephone system according to the present invention is connected to a main apparatus connected to a telephone network and a main apparatus via an extension transmission line, and various information among a plurality of button telephones. When the operation of putting the call on hold is performed, the main device stores information on at least one of the button phone that performed the hold operation and the transfer destination button phone. It is displayed on the screen display part of the key telephone provided with the screen display part.

  In the button telephone system, the display processing means may further display information relating to the key telephone on which the hold operation has been performed on a screen display unit of another key telephone. Further, the display processing means may display information on the telephone number of the telephone device connected to one external line on the screen display unit of another key telephone.

  According to the present invention, since information on at least one of the key telephone and the forwarding key telephone that performed the hold operation is displayed on the screen display section of the key telephone including the screen display section, it is easy to make an external line to respond to Can be identified.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a key telephone system according to the present embodiment. In FIG. 1, a button telephone system includes a main apparatus 1 connected to a telephone network 10 including an analog telephone network, an ISDN (Integrated Service Digital Network) network, and an IP (Internet Protocol) network, and an extension transmission line 20. It comprises a plurality of key telephones 2 (2A to 2N) connected to the main device 1. Note that this embodiment assumes a button telephone system capable of simultaneously making a plurality of calls.

  The main apparatus 1 includes an external line I / F unit 11 that controls the termination of the telephone network 10, an internal line I / F unit 12 that performs data transmission with each button telephone connected via the internal transmission line 20, and an external line I / F. The main control unit 13 is provided between the unit 11 and the extension I / F unit 12 and performs various types of function processing. The main storage unit 14 stores information necessary for processing in the main control unit 13. The extension transmission line 20 may be a wired transmission line or a wireless transmission line.

  Here, the main control unit 13 includes a function processing unit 13a for providing functions of a general key telephone system such as operation control of each key telephone 2 and control of the telephone network 10, and the function processing unit 13a. Generating display information such as call display information to be displayed on the display screen of the key telephone 2 in accordance with the operation, display information in the idle state, destination selection display information, hold display information, call display information, display change information, etc .; Display processing means 13b for transmitting to the key telephone 2 is provided.

  Further, the extension number of each key telephone 2 and the name of the user of each key telephone 2 are stored in the main storage unit 14 in advance in association with each other. Note that the names of a plurality of users may be registered in one button telephone 2.

  The key telephones 2 (2A to 2N) have the same configuration. These key telephones 2 include a transmission I / F unit 21 that performs data transmission with the main apparatus 1 via the extension transmission path 20, and the voice data received by the transmission I / F unit 21 into a voice signal and a handset. An audio processing unit 22 that outputs to the HS or speaker SP, decodes audio signals input from the handset HS or microphone MIC into audio data, and outputs the audio data to the transmission I / F unit 21, and detects various key operations and hook states The operation input unit 23 and the operation data detected by the operation input unit 23 are transmitted to the main apparatus 1 via the transmission I / F unit 21, and the control from the main apparatus 1 received by the transmission I / F unit 21 is performed. A handset control unit 24 for controlling each circuit unit of the key telephone based on the data, a control memory 25 for storing various information necessary for control processing in the handset control unit 24, and each of characters, symbols, images, etc. And a screen display unit 26 such as LCD (Liquid Crystal Display) for displaying information.

  The operation input unit 23 responds to an external line button for detecting an operation input such as an incoming call response or external line capture by the user, an on-line hold during a call by the user, or an on-hold external line (hereinafter referred to as “hold external line”). A hold button for detecting an operation input such as a hold response, a numeric keypad for detecting a dial input by the user, a cursor key for detecting an operation input related to selection and determination performed by the user based on various information displayed on the screen display unit 26, and the like. Is provided. Here, a plurality of outside line buttons are provided, and an identification number is assigned to each button. Each external line button is provided with an external line lamp indicating a call state, a hold state, and the like. By having such various buttons and keys, the operation input unit 23 selects a hold operation that puts the outside line in a call on hold, a hold response operation that responds to the hold outside line, and a button telephone that should respond to the hold outside line. It is possible to detect a selection operation or the like.

  In the present embodiment, the external line means a line in the case of an analog telephone network, and a channel in the case of an ISDN network or an IP network. Therefore, one outside line represents one line or one channel.

Next, with reference to FIG. 2, a hold operation and a hold response operation of the button telephone system according to the present embodiment will be described.
The main control unit 13 of the main apparatus 1 manages the state of each key telephone using the function processing means 13a, and control data for controlling the operation of the key telephone is transmitted to the key telephone as necessary. Along with the operation of the function processing means 13a, the display processing means 13b manages the display state of the screen display unit 26 of each key telephone, and various information regarding display is transmitted to the key telephone as necessary. Is done. For example, in the idle state in which the key telephones 2A and 2B can be used as shown in FIG. 2, in order to display the calendar and the current time, display information in the idle state composed of information on the calendar and the current time is displayed. The information is generated by the means 13b and transmitted as display information to the key telephones 2A and 2B (steps S201 and 202). The display information generated by the display processing means 13b including the display information in the idle state is transmitted from the main control unit 13 to the extension I / F unit 12, the extension transmission path 20, and the transmission I / F unit 21 of the key telephones 2A and 2B. Is received by the handset controller 24.

  When receiving display information such as display information in the idle state, the slave unit control unit 24 displays the display information on the screen display unit 26 (steps S203 and S204). As a result, when the key telephones 2A and 2B are in the idle state, the calendar and the current time are displayed as shown in FIG.

  Here, it is assumed that the key telephone 2A is in a call state with the other party's telephone via the telephone network 10 (step S210). At this time, the display processing means 13b of the main apparatus 1 displays the destination phone number, call time, and call charge together with the calendar and current time, so that the calendar, current time, phone number, call time, and call are displayed. Call display information including information related to a charge may be generated and transmitted to the key telephone 2A. Thus, as shown in FIG. 3B, the telephone number, call time, and call charge of the other party are displayed on the screen display unit 26 of the key telephone 2A, along with the calendar and the current time.

  When the key telephone 2A is in a call state as described above, when placing a call with a partner in this call state on hold and transferring this call to another button telephone, the user of the key telephone 2A first presses the hold button. Press. The hold operation information related to the pressing of the hold button is detected by the operation input unit 23 of the key telephone 2A (step S211), and is transmitted from the slave unit control unit 24 to the transmission I / F unit 21, the extension transmission path 20, and the extension I. The data is transmitted to the main control unit 13 of the main apparatus 1 via the / F unit 12 (step S212).

  When the hold operation information is received, the function processing means 13a puts the outside line used for the telephone conversation by the key telephone 2A with the other party on hold. Further, the display processing means 13b generates destination selection display information for selecting the key telephone to which the reserved outside line is transferred, and transmits it to the key telephone 2A (step S213). Thereby, the address selection display information is displayed on the screen display unit 26 of the key telephone 2A (step S214).

  Here, the display processing means 13b, based on the information on the extension number of each key telephone 2 and the name of the user of each key telephone 2 stored in the main storage unit 14, at least the name of the user who is the transfer destination of the reserved outside line The destination selection display information including is generated. As described above, the name of the user of each key telephone 2 is stored in the main storage unit 14. As a result, the names of users who can respond to the reserved outside line are listed and displayed on the screen display unit 26 as shown in FIG. In this way, by displaying the names of users who can respond to the reserved outside line, the user performing the holding operation can easily select the user who transfers the reserved outside line.

  Here, when displaying the destination selection display information on the screen display unit 26, the names of all users at once are displayed on the screen display unit 26 depending on the size of the screen display unit 26 and the size of the characters displayed on the screen display unit 26. May not be displayed. In such a case, the display processing unit 13b may display the destination selection display information on the screen display unit 26 so that the user's name is scrolled, for example, when the user operates the cursor key up and down. Good. As a result, the names of a large number of users can be displayed, so that it becomes possible to construct a large-scale telephone system in which the main apparatus accommodates a large number of key telephones.

  The destination selection display information may include a message for prompting the user to select a destination. As a result, as shown in FIG. 3C, a message prompting the selection of the destination is displayed on the screen display unit 26 together with the name of the user to be selected.

  When the destination selection display information is displayed on the screen display unit 26, the user selects the name of the user who transfers the reserved outside line. For example, as shown in FIG. 3C, this destination selection operation may be performed by selecting a desired user from among the users displayed on the screen display unit 26 with a cursor key. FIG. 3C shows that “XX section manager” displayed in white is selected as the user who transfers the reserved outside line. Destination information related to the selection of any user by such a destination selection operation is detected by the operation input unit 23 of the key telephone 2A (step S215) and transmitted to the main control unit 13 of the main device 1 (step S215). Step S216).

  When receiving the destination information, the display processing means 13b generates the hold display information related to the hold outside line and transmits it to all the other key telephones according to the present embodiment (steps S217 and 218). Thus, the hold display information is displayed on the screen display units 26 of all the key telephones including the key telephones 2A and 2B (steps S219 and 220).

  Here, based on the destination information and the identification number assigned to the outside line captured by the outside line I / F unit 11, the display processing unit 13b has at least the identification number of the reserved outside line and the name of the user as the transfer destination at least. Generate included hold display information. As a result, on the screen display units 26 of all other key telephones, the identification number of the reserved outside line and the name of the transfer destination user are displayed. Therefore, the user can recognize the reserved outside line and the user who should respond to the outside line on all the key telephones. For this reason, the user can respond to the reserved outside line addressed to himself / herself in any button telephone. Further, even when a single key telephone is used by a plurality of users, it is possible to identify a user who should respond to the reserved outside line.

  Note that the hold display information may include the telephone number of the other party put on hold when a caller ID notification is received. As a result, even when the user cannot respond to the reserved outside line, the user can write down the destination telephone and call it later. Further, the hold display information may include the name of the user who performed the hold operation and the extension number of the key telephone. Thereby, when there is a deficiency in the hold operation such as a mistake in the destination, the user can ask the user who performed the hold operation about the deficiency. The hold display information may include the date and time when the hold is made, the current time, and the like.

  Further, as shown in FIG. 3D, the hold display information may be scrolled and displayed on the screen display unit 26 of the key telephone. Thereby, it is possible to alert the user of the key telephone to the presence of the reserved outside line. Moreover, even if it is a case where not all the hold display information can be displayed on the screen display part 26 at once by the size of the screen display part 26, the size of the character to display, and the information amount of the hold display information, all the information is displayed. It becomes possible to do.

  When there are a plurality of reserved outside lines, the display processing unit 13b generates the hold display information for each reserved outside line. The hold information is scrolled and displayed for each hold outside line on the screen display unit 26 of the key telephone.

  A user who recognizes the presence of the reserved outside line addressed to himself / herself by oral, extension call or visual inspection of the screen display unit 26, and responds to the reserved outside line with the key telephone 2B is an outside line to which the identification number of the reserved outside line addressed to himself / herself is given Press the button. The pending outside line pressing information relating to the pressing of the outside line button is detected by the operation input unit 23 of the key telephone 2B (step S221) and transmitted to the main control unit 13 of the main device 1 (step S222).

  When the on-hold outside line pressing information is received, the function processing means 13a establishes a call path between the on-hold outside line and the key telephone 2B (step S223). As a result, the key telephone 2B is in a call state with the other party who has been put on hold. (Step S224).

  When in a call state, the display processing unit 13b generates the above-described call display information and transmits it to the key telephone 2B in the call state (step S225). As a result, the call display information as shown in FIG. 3B is displayed on the screen display unit 26 of the key telephone 2B (step S226). Here, when there is another reserved outside line in the telephone system of the present embodiment, the display processing unit 13b may generate hold display information for the reserved outside line and transmit this to the key telephone 2B. . In this case, the screen display unit 26 of the key telephone 2B displays the hold display information or both the call display information and the hold display information. Thereby, the user of the key telephone 2 </ b> B can recognize the reserved outside line even in a call state. Therefore, when there is a holding outside line addressed to the user, it is possible to answer the holding outside line by rounding up the current call early.

  Further, the display processing means 13b generates change display information and transmits it to a key telephone other than the key telephone 2B (step S227). Here, the changed display information means display information in the idle state or hold display information. For example, when the telephone system 2B is in a call state and the telephone system of the present embodiment has no reserved outside line, the display processing unit 13b generates display information in an idle state, and this is displayed in a state other than the key telephone 2B. Send to the button phone. Thereby, the display information in the idle state as shown in FIG. 3A is displayed on the key telephones other than the key telephone 2B. On the other hand, even if the key telephone 2B is in a call state, if there is another reserved outside line in the telephone system of the present embodiment, the display processing means 13b generates hold display information for the reserved outside line, and uses this as a button. Transmit to a button telephone other than the telephone 2B. Thereby, the hold display information as shown in FIG. 3D is displayed on the key telephones other than the key telephone 2B.

  When the telephone conversation of the key telephone 2B is terminated, the user of the key telephone 2B puts the handset HS on hook. The on-hook end information is detected by the operation input unit 23 of the key telephone 2B (step S230) and transmitted to the main control unit 13 of the main device 1 (step S231).

  When the call end information is received, the function processing means 13a releases the outside line used for the call with the other party. Thereby, the key telephone 2B ends the call with the other party. Further, the display processing means 13b generates change display information and transmits it to a key telephone other than the key telephone 2B (step S227). Here, the changed display information means the display information in the idle state or the hold display information as described above. For example, when the key telephone 2B is in an end-of-call state, if there is no reserved outside line in the telephone system of the present embodiment, the display processing means 13b generates display information in the idle state, and this is displayed as the key telephone 2B. Send to. Thereby, the display information in the idle state as shown in FIG. 3A is displayed on the key telephone 2B. On the other hand, when the key telephone 2B is in an end-of-call state and there is a reserved outside line in the telephone system of the present embodiment, the display processing means 13b generates on-hold display information for the reserved outside line, Transmit to the key telephone 2B. Thereby, the hold display information as shown in FIG. 3D is displayed on the key telephones other than the key telephone 2B.

  As described above, according to the present embodiment, the identification number of the hold outside line and the name of the user who should respond to the call with the hold outside line are displayed on the screen display unit 26 of each button telephone. The telephone 2 can easily identify the outside line to be answered.

  In this embodiment, the destination selection display information and the hold display information include the name of the transfer destination user of the hold outside line, but the extension number of the button telephone of the transfer destination or the transfer destination user. Both the name and the extension number of the key telephone may be included. When the extension number is included, the screen display unit 26 lists the extension numbers of the key telephones that respond to the reserved outside line, as in the case of the user name shown in FIG. Is displayed. Thus, by displaying the extension number of the key telephone, the user who performs the holding operation can easily select the key telephone to which the reserved outside line is transferred. When both the user name and the extension number are included, the screen display unit 26 lists and displays the user name and the extension number of the key telephone used by the user. Thereby, the user who performs the hold operation can easily select the user who transfers the hold outside line and the key telephone used by the user.

  In the present embodiment, the destination selection display information may also display the operation status of other key telephones. As a result, the user of the key telephone that has performed the hold operation can check the operation status of the key telephone that is to transfer the hold outside line. Therefore, for example, when a key telephone to which a reserved outside line is to be transferred is busy, this can be immediately notified to the other party, or the reserved outside line can be transferred to another key telephone.

  In the present embodiment, after the hold operation shown in steps S211 and S212, the destination selection display information is displayed on the screen display unit 26 of the key telephone, and the key telephone serving as the destination is displayed based on the destination selection display information. However, the hold display information may be displayed after an extension call is made after the hold operation. Here, the extension call means calling a key telephone for transferring a reserved outside line and making an extension call such as a hands-free call. In such a case, when the extension call is performed by the user who has performed the hold operation and the handset HS of the key telephone for which the hold operation has been performed is put on hook, the display processing unit 13b generates the hold display information, To all key phones. At this time, the hold display information can include the identification number of the hold outside line, the extension number of the button telephone to which the hold outside line is transferred, the extension number of the button telephone that has performed the hold operation, and the like. Even in this way, the identification number of the reserved outside line and the extension number of the destination key telephone can be displayed on the screen display unit 26 of all the key telephones.

  Further, the destination selection operation shown in steps S213 and 214 may be performed after the extension call is performed. In this case, the hold display information includes the identification number of the hold external line, the name of the user who is the transfer destination of the hold external line, the extension number of the key telephone that is the transfer destination of the hold external line, the extension number of the key telephone that performed the hold operation, etc. Can be included. Even in this case, the name of the destination user and the extension number of the key telephone can be displayed on the screen display unit 26 of all the key telephones together with the identification number of the reserved outside line.

  Further, in this embodiment, the hold display information is displayed on all the key telephones, but may not be displayed on the key telephones in a call state.

  Further, in the present embodiment, all the key telephones are provided with the screen display unit 26, but a key telephone that is not provided with the screen display unit 26 may be connected to the main apparatus 1.

  The present invention can be applied to a telephone system having a plurality of button telephones, a parent-child telephone having a plurality of slave units, and the like.

It is a block diagram which shows the structure of the telephone system of this invention. It is a timing chart which shows operation | movement of the telephone system of this invention. It is a schematic diagram of the screen display part which respectively displayed (a) display information in an idle state, (b) display display information, (c) destination selection display information, and (d) hold display information.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Main apparatus, 2, 2A, 2B, 2N ... Button telephone, 10 ... Telephone network, 11 ... Outside line I / F part, 12 ... Extension I / F part, 13 ... Main control part, 13a ... Function processing means, 13b DESCRIPTION OF SYMBOLS ... Display processing means, 14 ... Main memory part, 20 ... Extension transmission line, 21 ... Transmission I / F part, 22 ... Audio | voice processing part, 23 ... Operation input part, 24 ... Slave-unit control part, 25 ... Control memory, 26 ... screen display, HS ... handset, MIC ... microphone, SP ... speaker.

Claims (3)

A main unit connected to the telephone network;
A key phone connected to the main unit via an extension transmission line, and having a screen display unit for displaying various information among a plurality of key phones;
When an operation to put a call on hold is performed, the main device stores information on at least one of the key telephone and the transfer destination key telephone that performed the holding operation on the screen display unit of the key telephone including the screen display unit. A key telephone system characterized by display. 2. The key telephone system according to claim 1, wherein the display processing unit further displays information related to the key telephone on which the hold operation has been performed on a screen display unit of another key telephone. 3. The display processing unit according to claim 1, wherein the display processing unit further displays information related to a telephone number of a telephone device connected to the first outside line on a screen display unit of another button telephone. 4. Button phone system.

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