JP4498252B2 - Telephone system - Google Patents

Description

  The present invention relates to a telephone system having a telephone device capable of displaying a message notifying a non-response when absent.

  A conventional telephone system is disclosed in Patent Document 1. In this telephone system, each member in a predetermined group is provided with a telephone device, and each telephone device can receive a shared telephone number shared within the group. When there is an incoming call to the shared telephone number, the telephone devices of all the members in the group ring the ringing tone, and when they answer by any of the telephone devices, the other telephone devices stop ringing and become ready to make a call. Thereby, even if there is an absent person in the group, it is possible to respond and respond to customers and the like.

In general, these telephone devices store an incoming call history when there is an incoming call. If the telephone apparatus does not respond to the incoming call due to absence or the like, a pop-up message is displayed on the display section to notify a non-response such as “there is an incoming call when there is no call”. The user can check the incoming call history by looking at the pop-up message and respond to the non-response by dialing the caller.
Japanese Patent Laying-Open No. 2003-87835 (page 3 to page 9, FIG. 1)

  However, when another member in the group responds when the shared telephone number is not received, the user may respond to the caller in duplicate after confirming a message notifying the non-response. Therefore, there is a problem that the convenience of the telephone system is poor.

  An object of this invention is to provide the telephone system which can improve the convenience.

  In order to achieve the above object, the present invention provides a telephone system comprising: a plurality of telephone devices provided for each member in a predetermined group; and a server that connects to each of the telephone devices and performs telephone exchange. The apparatus can receive a shared shared telephone number within the group, and includes a display unit that displays a message notifying of a non-response when the incoming call is not answered, and when the incoming call of the shared telephone number is not answered. A different message is displayed on the display unit when another member answers and when the caller stops calling.

  According to this configuration, when there is an incoming call to the shared telephone number, each telephone device in the group rings and a response is made by any member. When the user is absent, a message notifying a non-response is displayed on the display unit. At this time, if any member in the group responds, it indicates that the message has been answered. If none of the members in the group responds, it indicates that the message is not responding.

  According to the present invention, in the telephone system configured as described above, when another member responds to the shared telephone number, a message indicating the telephone apparatus that has responded is displayed on the display unit. According to this configuration, when any member in the group responds, a message indicating the telephone device such as the number of the telephone device that responded is displayed.

  According to the present invention, when a shared telephone number is not present at the time of an incoming call, a different message is notified when another member in the group responds and when a call is canceled without a member in the group responding Therefore, it is possible to prevent duplicate responses to the caller. Therefore, the convenience of the telephone system can be improved.

  Further, according to the present invention, since a message indicating the telephone device that has made a response is displayed, the user can easily confirm the message and contents of the response to the member of the telephone device that has responded. Therefore, the convenience of the telephone system is further improved.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a communication system 50 having a telephone system 40 according to an embodiment. The telephone system 40 includes a plurality of VoIP telephone devices 11, 21, 31 and a SIP server 41. A router 1 installed in a company premises is connected to an Internet network 2. A Centrex server (not shown) possessed by an IP Centrex communication company is connected to the Internet 2 via a router (not shown).

  The Centrex server has an exchange function. When the Centrex server receives the call request signal transmitted in the IP packet, it transmits the call signal according to the call destination. The call destination is a VoIP telephone device 11, 21, 31, 51 connected to the Internet network 2, or a subscriber telephone device (ordinary telephone) of the public telephone network 5 connected to the Internet network 2 via the Centrex gateway 4. Device) 6 and the like.

  A plurality of Centrex gateways 4 are provided, and are connected to stations in different areas with different area codes. The Centrex server selects the Centrex gateway 4 that is the optimal route. The Centrex server rejects the connection when the call destination is a special number such as a police station (110) or a fire department (119).

  On the other hand, a LAN (premises) gateway 10, a plurality of VoIP telephone devices 11, 21, 31 and a SIP server 41 are connected to the router 1. Similarly, the VoIP telephone device 51 is connected to the other routers 1. The VoIP telephone device 51 can be connected to the VoIP telephone devices 11, 21, and 31 and the SIP server 41 via the Internet network 2.

  The LAN gateway 10 is directly connected to a station in the area having the same area code as that of the company without going through the Internet network 2. The LAN gateway 10 is connected to the subscriber telephone device 6 via the public telephone network 5 in the area, and converts voice data and IP packets.

  The VoIP telephone devices 11, 21, and 31 include an operation unit 12, a display unit 13, a memory 14, and a control circuit 15. The operation unit 12 includes operation switches such as a numeric keypad and various operation keys, and performs a call operation, a setting operation, and the like. The display unit 13 includes a display such as a liquid crystal panel, and displays information related to a call, settings, and the like. The memory 14 stores data such as various mode states and programs for operating the VoIP telephone devices 11, 21, and 31. The control unit 15 controls each unit based on a program stored in the memory 14.

  The SIP server 41 includes a control circuit 41a and a memory 41b. The control circuit 41a controls each part of the SIP server 41. The memory 41b stores data of extension telephone numbers on the premises.

  In the communication system 50 configured as described above, when a call is made from one VoIP telephone device 11 to an area having the same area code, the telephone is connected to a station in the area via the LAN gateway 10 and is connected to the destination subscriber telephone apparatus 6. The When a call is made from the VoIP telephone device 11 to a different area code area, it is connected to a station outside the area via the router 1, the Internet network 2, the router 3, and the Centrex gateway 4, and is connected to the destination subscriber telephone device 6. The

  In addition, the VoIP telephone devices 11, 21, and 31 can make and receive a local extension number. When an extension telephone number is transmitted from one VoIP telephone device 11, the SIP server 41 exchanges the telephone and is connected to the VoIP telephone 21, for example.

  Each VoIP telephone device 11, 21, 31 can receive a call with a unique telephone number, and can receive a shared shared telephone number within a predetermined group such as a premises or a department. When an incoming call is received from an outside line or an extension line to a specific telephone number, the SIP server 41 exchanges telephones and connects to predetermined VoIP telephone apparatuses 11, 21, and 31 to ring a ringing tone. When a shared telephone number is received from an outside line outside the group or an extension outside the group, the SIP server 41 exchanges the telephone and connects to the VoIP telephone apparatuses 11, 21, and 31 within the group and rings these ringing sounds. When other members in the group respond, the SIP server 41 disconnects the connection.

  FIG. 2 and FIG. 3 are diagrams showing detailed operations when a call is received by a shared telephone number shared by a group in the VoIP telephone devices 11, 21, and 31. FIG. 2 shows a case where none of the members in the group responds, and FIG. 3 shows a case where any of the members in the group responds.

  In Step # 1 of FIG. 2, a call request (INVITE) is made from the telephone device A to the SIP server 41. The telephone device A is transmitted from an outside line or an extension line. In step # 2, the SIP server 41 notifies the telephone device A that the request is being processed (100 Trying).

  In steps # 3 and # 4, the SIP server 41 issues a call request (INVITE) to the telephone devices B and C. Telephone devices B and C indicate any of the VoIP telephone devices 11, 21, and 31. In steps # 5 and # 6, the telephone devices B and C notify the SIP server 41 that the request is being processed (100 Trying).

  In steps # 7 and # 8, the telephone devices B and C notify the SIP server 41 that the calling is in progress (180 Ringing). In step # 9, the SIP server 41 notifies the telephone device A that it is calling (180 Ringing).

If there is no response even if the call is made and the telephone device A stops calling, the request that has not been answered from the telephone device A to the SIP server 41 is canceled in step # 10 (CANCEL). In steps # 11 and # 12, the SIP server 41 notifies the telephone device A that cancellation has been accepted (200 OK), and the cancellation completion is notified (487 Request Terminated).
In steps # 13 and # 14, the request that has not been answered from the SIP server 41 to the telephone devices B and C is canceled (CANCEL). At this time, the SIP server 41 instructs the telephone devices B and C to display a first message indicating that none of the members in the group are responding because there is no incoming call (Message 1). As a result, for example, a first message such as “Missing incoming call, unanswered” is displayed on the display unit 13 of the telephone devices B and C.

  In steps # 15 and # 16, the telephone devices B and C notify the SIP server 41 that cancellation has been accepted (200 OK). In steps # 17 and # 18, the telephone device A notifies the SIP server 41 of completion of cancellation (487 Request Terminated).

  In steps # 19 and # 20, the SIP server 41 notifies the telephone devices B and C that the cancellation has been completed (ACK). In step # 21, the telephone device A notifies the SIP server 41 that the cancellation has been completed (ACK).

  Next, steps # 1 to # 9 in FIG. When the telephone device C responds to the call, the telephone device C notifies the SIP server 41 that the call request has been accepted (200 OK) in step # 10 of FIG. In step # 11, the SIP server 41 notifies the telephone device A that the call request has been accepted (200 OK).

  In step # 12, the request that has not been answered from the SIP server 41 to the telephone device B is canceled (CANCEL). At this time, the SIP server 41 instructs the telephone device B to display a second message indicating that a member in the group has responded when there is no incoming call (Message 2). As a result, for example, a second message such as “Missed call received. Answered” is displayed on the display unit 13 of the telephone device B.

  At this time, a message indicating the telephone device that made the response may be displayed as the second message, such as “Missing incoming call. As a result, the user can easily confirm the requirements and the contents of the response to other members who have the corresponding telephone device. The message indicating the telephone device may be the number of each telephone device (for example, C in this embodiment), or may be the handset 1, handset 2,. Also, it may be an external line number unique to each telephone device or an extension number. In addition, the names of members registered in advance in each telephone device may be used.

  In step # 13, the telephone device B notifies the SIP server 41 that cancellation has been accepted (200 OK). In step # 14, the telephone device A notifies the SIP server 41 that the request has been accepted (ACK). In step # 15, the SIP server 41 notifies the telephone device C that the request has been accepted (ACK). In step # 16, the telephone device B notifies the SIP server 41 of the completion of cancellation (487 Request Terminated). In step # 17, the SIP server 41 notifies the telephone device B that the cancellation has been completed (ACK).

  According to the present embodiment, when other members in the group respond when they are absent when the shared telephone number is received, and when the caller stops the call without answering the members in the group Since different messages are notified to the display unit 13, duplicate responses to the caller can be prevented. Therefore, the convenience of the telephone system 40 can be improved.

  In the present embodiment, the telephone system 40 using the VoIP telephone apparatuses 11, 21, and 31 is described. However, the telephone system using a telephone apparatus that does not use VoIP (for example, a master unit corresponding to a server, It may also be a parent / child telephone system comprising a plurality of child devices wirelessly connected to the parent device.

  INDUSTRIAL APPLICABILITY The present invention can be used for a telephone system having a telephone device that can display a message notifying a non-response when absent.

The block diagram which shows the structure of the telephone apparatus system of embodiment of this invention The figure which shows the operation | movement at the time of the unanswered with respect to the shared telephone number incoming call of the telephone device system of embodiment of this invention The figure which shows the operation | movement at the time of the response with respect to the shared telephone number incoming call of the telephone device system of embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 3 Router 2 Internet network 4 Centrex gateway 5 Public line network 6 Subscriber telephone apparatus 10 LAN gateway 11, 21, 31, 51 VoIP telephone apparatus 12 Operation part 13 Display part 14, 41b Memory 15, 41a Control part 41 SIP server 50 Telephone system

Claims (2)

In a telephone system comprising a plurality of telephone devices provided for each member in a predetermined group and a server for performing telephone exchange by connecting to each of the telephone devices, the telephone device assigns a shared telephone number shared within the group. A display unit that displays a message for notifying a call when the call cannot be answered, and when a call is not received by the other member when the call is not answered. A telephone system characterized in that a message that is different from the case where the call is stopped by is displayed on the display unit. The telephone system according to claim 1, wherein when another member responds to the shared telephone number, a message indicating the telephone apparatus that has responded is displayed on the display unit.

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