JP5076764B2 - Telephone system - Google Patents

Description

  The present invention relates to a telephone system, and more particularly to a telephone system that controls activation and stop of an answering machine function using a radio telephone terminal as a slave unit.

  As a network service of a communication carrier or a service of a communication terminal, there is a telephone capable of starting or stopping a message function, an answering machine function, and a transfer telephone function. Many telephones with these service control functions have dedicated buttons for starting and stopping each function. However, when the telephone user goes out, there is a problem that the user forgets the operation and the function cannot be used effectively.

  In addition, in an IP telephone having the same function, whether the user is present or away needs to be linked with the user's personal schedule or manually set. This IP phone also has a problem that the advanced presence function cannot be utilized if the schedule update or manual setting is neglected.

  Patent Document 1 describes a telephone system in which a handset of a digital cordless telephone system having an answering function or a transfer telephone function can be taken outdoors and connected to the public as a PHS. In Patent Document 1, when it is detected that a slave unit has been taken out from a master unit that also serves as a charging stand, the master unit sets an answering machine function, a transfer function, and the like. On the other hand, the telephone system stops the answering machine function and the transfer function when it is detected that a child machine is placed on the parent machine.

Japanese Patent Laid-Open No. 10-322442

  In Patent Document 1, even if the user is near the parent device, the answering machine function and the transfer telephone function are not canceled unless the child device is placed on the charging stand. In particular, when a general-purpose portable communication terminal is used as a slave unit, if the user is not required to charge, the user puts it in a jacket pocket or the like, and the effect shown in Patent Document 1 is diminished.

  Further, when a portable communication terminal held by a user other than the user who uses the answering machine function and the transfer telephone function is placed on the charging stand, it cannot be identified. As a result, the true user's answering machine function and the forwarding telephone function are canceled unintentionally.

  The present invention has been made in view of the circumstances concerned, and in a telephone system including a fixed telephone device and a wireless telephone terminal, activation / stop of an answering function such as a message function, an answering record function, and a transfer telephone function of the fixed telephone device. A telephone system is provided that detects the presence of a wireless telephone terminal that cooperates with a fixed telephone apparatus that has been previously notified by the wireless access apparatus and notifies the fixed telephone apparatus.

Further, the range of the radio telephone terminal presence detection is narrowed down by detecting the presence of the radio telephone terminal of the radio access apparatus and the charging current detection of the power supply function of the radio telephone terminal mounted on the fixed telephone apparatus, and a plurality of users Provided is a telephone system capable of specifying a radio telephone terminal so that an answering function of a fixed telephone device can be used.
[Means for solving problems]

Problem described above is a telephone system in which the location consists of a fixed telephone unit with a fixed and and voice mail, and mobile unit movable, the wireless access device that accommodates the wireless telephone terminal, the wireless access device A wireless telephone that detects whether or not a wireless telephone terminal exists in its own wireless area in response to a request from the fixed telephone apparatus , and a correspondence table that associates and registers the fixed telephone apparatus and the wireless telephone terminal in advance. Terminal detection means and presence including the address of the wireless telephone terminal detected when the wireless telephone terminal detection means is activated in response to a request from the fixed telephone device and it is detected that the wireless telephone terminal exists in its own wireless area It sends a notification to the fixed telephone device resident for transmitting absence notification if it can not detect that the wireless telephone terminal is present in its wireless area to the fixed telephone device It has a standing notification transmission means, the, fixed telephone apparatus, a charging means for charging a wireless telephone terminal, a charging state detecting means for identifying whether the charging unit is charged, the charge state of charge detecting means and presence sensing request means for requesting to activate the wireless telephone terminal detecting means to the wireless access device upon identifying that the state, the start and notify the voice mail when receiving the absence notification from the radio access unit This can be achieved by a telephone system having an answering machine function start / stop means for stopping the answering machine function of the wireless telephone terminal corresponding to the address included in the presence notification when received .

  According to the present invention, when a general-purpose wireless phone such as a mobile phone is carried and the user goes out or leaves, the answering function set by the user can be automatically activated. It is possible to provide a telephone system that can automatically cancel the answering machine without any operation or action.

  Embodiments of the present invention will be described below with reference to the drawings using examples. The same reference numerals are assigned to substantially the same parts, and the description will not be repeated.

  First, the system configuration will be described with reference to FIG. Here, FIG. 1 is a block diagram of the telephone system. In FIG. 1, a telephone system 300 includes a LAN 60 connected to a WAN 50, a wireless access device 20 further connected to the LAN 60, a fixed telephone device 10 having an answering machine function, and a wireless connection wirelessly connected to the wireless access device 20. And a telephone terminal 30.

  The fixed telephone device 10 is connected to a call control server (not shown) on the WAN 50 or LAN 60 and communicates with other telephone devices by call connection / call disconnection of this call control server. The mobile phone terminal 30 has a wireless LAN function, and performs wireless LAN communication with the wireless access device 20 using a communication protocol such as 802.11n. The fixed telephone device 10 is disposed in the communication area of the wireless access device 20. If the main body of the fixed telephone device 10 is within the communication area, it may be cordless.

  The fixed telephone apparatus will be described with reference to FIG. Here, FIG. 2 is a functional block diagram of the fixed telephone apparatus. In FIG. 2, the fixed telephone device 10 includes a communication unit 101 that controls the overall communication with the LAN, a telephone function unit 107 that controls the overall telephone functions such as outgoing and incoming calls, LCD, LED display, voice input / output, and key input. Answering function correspondence table for associating the man-machine interface 108 to be performed, the wireless telephone terminal registration unit 106 for registering the address of the wireless telephone terminal 30 to be linked, the user ID and answering function set for each user, and the wireless telephone terminal 30 to be linked 109, a wireless telephone terminal notifying unit 105 that notifies the wireless telephone terminal 30 to be linked to the wireless access device 20, and a wireless telephone terminal presence / absence notification from the wireless access device 20 are received, and an answering machine function activation / deactivation control unit 103 is received. From the wireless telephone terminal presence / absence notification receiving unit 102 and the information on the wireless telephone terminal presence / absence notification, An answering machine function activation / deactivation control unit 103 that controls activation / deactivation of an answering machine function of the corresponding user with reference to the answering machine function correspondence table storage unit 109, and an answering machine function unit 104 that executes an answering machine function, a message, a transfer, and the like It consists of.

Note that the answering machine function correspondence table 109 is required when a plurality of users share and use one fixed telephone device . At this time, the user ID is notified in advance to the communication partner on the calling side, or the answering function of a specific user is used by the communication partner specifying the user by voice guidance.

  The answering machine function correspondence table will be described with reference to FIG. Here, FIG. 3 is a diagram for explaining the answering machine function correspondence table. In FIG. 3, an answering machine function correspondence table 109 includes an ID 1091 of each user, an address 1092 of the wireless telephone terminal 30 corresponding to the user ID, an answering machine function 1093 that is set valid when the answering machine function is activated, and a message function. A message function 1094 for setting the validity when the transfer function is valid, a transfer function 1095 for setting the validity when the transfer function is valid, and a telephone number 1096 of the transfer destination.

  The answering machine function correspondence table 109 is set in the fixed telephone device 10 by each user. Also, the answering machine function is not limited to the message function, the answering machine function, and the transfer telephone function described with reference to FIG. 3, but means various functions when the user is away, such as a use prohibition function.

The wireless access device will be described with reference to FIG. Here, FIG. 4 is a functional block diagram of the wireless access device. In FIG. 4, the wireless access device 20 includes a wired communication unit 201 that performs general communication control with the LAN 60, a wireless communication unit 207 that performs general wireless communication control, and a bridge unit that performs a data bridge between the wireless and the LAN 60. 206, a fixed telephone apparatus / wireless telephone terminal correspondence table (also simply referred to as a correspondence table) 203, and a notification from the fixed telephone apparatus 10 such as the address of the associated wireless telephone terminal 30, and the fixed telephone apparatus / wireless telephone. A wireless telephone terminal notification receiving unit 202 registered in the terminal correspondence table 203 together with the address of the fixed telephone device 10 and a wireless telephone terminal linked with the fixed telephone device 10 with reference to the table of the fixed telephone device / wireless telephone terminal correspondence table 203 Wireless phone terminal presence detection unit 204 that detects the presence of 30 and the results detected by wireless phone terminal presence detection unit 204 The notifying landline device comprising the radio telephone terminal presence / absence notification section 205..

With reference to FIG. 5, the fixed telephone apparatus / wireless telephone terminal correspondence table will be described. FIG. 5 is a diagram for explaining the fixed telephone apparatus / wireless telephone terminal correspondence table. 5, fixed telephone apparatus / wireless telephone terminal table 203 is configured as a fixed telephone unit address 2031 address of the fixed telephone device 10 is registered, from the wireless telephone 30 terminal addresses 2032 to work with fixed telephone device 20 Is done.

With reference to FIG. 6, a processing sequence among the fixed telephone device , the wireless access device, and the wireless LAN will be described. Here, FIG. 6 is a processing sequence diagram among the fixed telephone device , the wireless access device, and the wireless LAN. 6, pre-existing wireless telephone terminal 30 to the wireless LAN 40, it is assumed that you are assigned to the wireless access device 20.

  When the cooperating radio telephone terminal 30 is registered, the fixed telephone apparatus 10 transmits a notification of the radio telephone terminal 30 to the radio access apparatus 20 together with the fixed telephone apparatus 10 and the registered radio telephone terminal 30 address (S100). . When a different radio telephone terminal 30 for each user is registered in one fixed telephone apparatus 10, step 100 is executed each time. In the fixed telephone device 10, it is assumed that the answering machine function is set in the wireless telephone terminal 30 to be linked.

  The wireless access device 20 registers the address of the wireless telephone terminal 30 in the correspondence table 203 in association with the address of the fixed telephone device 10 (S101). The wireless access device 20 starts detecting the presence of the wireless telephone terminal 30 wirelessly (S103). Here, a SIP message is used, but the present invention is not limited to this as long as it can detect a reply including an address from the wireless telephone terminal 30.

  OPTIONS (S103) transmitted by the wireless access device 20 is a method for inquiring about the capabilities of the SIP user agent and the proxy server. In response to this inquiry, when the call is established, the radio telephone terminal 30 returns 200 OK including its own capability. Conversely, when the call is not established, the radiotelephone terminal 30 returns 481 call / Transaction Dose Not Exist indicating it (S104).

  When the wireless access device 20 receives a reply from the wireless telephone terminal 30, it determines that there is a wireless telephone terminal 30 linked to the fixed telephone device 10 under its control, and wirelessly transmits to the corresponding fixed telephone device 10. A telephone terminal presence notification is transmitted (S105). The wireless access device 20 further periodically detects the wireless telephone terminal 30 and transmits a wireless telephone terminal presence notification to the corresponding fixed telephone device 10 (S106 to S108).

  Here, after step 108, it is assumed that the wireless telephone terminal 30 whose presence is to be detected has flowed out of the service area. The wireless access device 20 detects that there is no reply from the wireless telephone terminal 30 to OPTIONS (S109) for a predetermined time, and transmits a wireless telephone terminal absence notification to the fixed telephone device 10 (S110). When the fixed telephone apparatus 10 receives the absence notice of the wireless telephone terminal, the fixed telephone apparatus 10 activates a preset answering machine function (S111).

When a plurality of wireless telephone terminals 30 are associated, the user is identified from the address of the wireless telephone terminal 30 included in the wireless telephone terminal absence notification, and the answering function set by the user is activated.

The wireless access device 20 continues to repeat detection for the wireless telephone terminal 30 (S112 to S115). When the wireless telephone terminal 30 returns from out-of-service outflow and detects the presence (S116 to S117), the wireless access device 20 transmits a wireless telephone terminal presence notification to the fixed telephone device 10 (S118). When the fixed telephone apparatus 10 receives the wireless telephone terminal presence notification, the fixed telephone apparatus 10 stops the answering function being activated by the corresponding user (S119).
As described above, the answering function of the fixed telephone device 10 can be activated / deactivated depending on whether or not the wireless telephone terminal 30 exists under the wireless access device 20.

With reference to FIG. 7 and FIG. 8, the wireless telephone terminal registration process to the fixed telephone apparatus and the wireless access apparatus will be described. FIG. 7 is a flowchart of the wireless telephone terminal registration process of the fixed telephone apparatus. FIG. 8 is a flowchart of the wireless telephone terminal registration process of the wireless access device.
In FIG. 7, the fixed telephone apparatus 10 waits for the registration of the wireless telephone terminal (S200: NO). When registration is performed (S200: YES), the fixed telephone device 10 registers in the answering machine function correspondence table 109 (S201), and the corresponding wireless access device 20 includes a wireless telephone terminal including the address of the wireless telephone terminal 30 and the like. Notification is performed (S202), and the process returns to step 200 to wait for the next registration .
In FIG. 8, the wireless access device 20 waits for reception of a wireless telephone terminal notification from the fixed telephone device 10 (S300: NO). When the wireless telephone terminal notification is received (S300: YES), the wireless access device 20 registers the fixed telephone device 10 address and the wireless telephone terminal address in the fixed telephone device / wireless telephone terminal correspondence table 203 in association with each other. (S301), the process returns to S300 and waits for the reception of the next wireless telephone terminal notification.

  With reference to FIG. 9, the answering machine function start process and stop process of the fixed telephone apparatus will be described. Here, FIG. 9 is a flowchart showing the answering machine function start / stop processing of the fixed telephone apparatus. In addition, here, the address registration of the radio telephone terminal 30 used by the user to detect the presence in the fixed telephone device 10 and the answering machine function (setting of the answering machine, type of answering machine, answering message, recording time, forwarding address, etc.) Shall be performed in advance.

  In FIG. 9, the fixed telephone apparatus 10 waits for a wireless telephone terminal presence or absence notification from the wireless access apparatus 20 (S401: NO). When the wireless telephone terminal presence / absence notification is received (S401: YES), the fixed telephone device 10 selects the answering function of the corresponding user from the address of the wireless telephone terminal 30 (S402). Next, the fixed telephone apparatus 10 determines whether or not there is a presence notification (S403).

  When the presence notification is received in step 403 (YES), the fixed telephone apparatus 10 determines whether or not the answering function of the corresponding user is stopped (S404). When the answering machine function is stopped in step 404 (YES), the fixed telephone apparatus 10 activates the answering machine function (S405), returns to step 401, and waits for reception of the next wireless telephone terminal presence / absence notice. When the answering machine function is activated in step 404 (NO), the fixed telephone apparatus 10 returns to step 401 and waits for reception of the next wireless telephone terminal presence / absence notice.

  When the absence notification is made at step 403 (NO), the fixed telephone apparatus 10 determines whether or not the corresponding answering machine function is activated at step 406 (S406). When the answering machine function is activated in step 406 (YES), the fixed telephone apparatus 10 stops the answering machine function (S407), returns to step 401, and waits for reception of the next wireless telephone terminal presence / absence notice. When the answering machine function is stopped in step 406 (NO), the fixed telephone apparatus 10 returns to step 401 and waits for reception of the next wireless telephone terminal presence / absence notice.

  With reference to FIG. 10, a radio telephone terminal detection process of the radio access device will be described. Here, FIG. 10 is a wireless telephone terminal detection processing flowchart of the wireless access device. In FIG. 10, the radio access device 20 first sets a periodic timer (S500). The wireless access device 20 waits for the timeout of the periodic timer (S501: NO). When the periodic timer times out (S501: YES), the wireless access device 20 selects the wireless telephone terminal 30 registered in the fixed telephone device / wireless telephone terminal correspondence table 203 (S502). Next, the wireless access device 20 transmits a presence detection packet to the address of the selected wireless telephone terminal 30 (S503). The wireless access device 20 determines whether or not the reply packet of S503 has been received from the wireless telephone terminal 30 (S504). Here, a time-out period is provided for receiving a reply, and when the reply is not received until the time-out, the wireless access device 20 determines that there is no reply (absence).

  When there is a reply in step 504 (YES), the wireless access device 20 transmits a presence notification to the fixed telephone device 10 corresponding to the wireless telephone terminal 30 (S505), and all the wireless telephone terminals 30 registered in the correspondence table are transmitted. It is determined whether or not the detection is finished (S507). When the process is completed in step 507 (YES), the wireless access device 20 returns to step 500 and repeats the above processing periodically. If not completed in step 507 (NO), the wireless access device 20 returns to step 502 and detects the next wireless telephone terminal 30. When there is no reply from the wireless telephone terminal 30 in step 504 (NO), the wireless access device 20 transmits an absence notification to the fixed telephone device 10 corresponding to the wireless telephone terminal 30 (S506), and transitions to step 507.

First, the configuration of the telephone system will be described with reference to FIG. Here, FIG. 11 is a block diagram of the telephone system. 11, a telephone system 300A includes a LAN 60 connected to the WAN 50, a wireless access device 20 further connected to the LAN 60, a fixed telephone device 10A having an answering machine function, and a wireless phone wirelessly connected to the wireless access device 20. It comprises a terminal 30 and a charging base 70 for the radio telephone terminal 30 connected to the fixed telephone device 10A.
The difference from the first embodiment is that the fixed telephone device 10A is provided with a general-purpose interface (not shown), and a charging stand 70 for the radio telephone terminal 30 connected to the general-purpose interface is added.

  A fixed telephone apparatus will be described with reference to FIG. Here, FIG. 12 is a functional block diagram of the fixed telephone apparatus. In FIG. 12, a fixed telephone apparatus 10A includes a communication unit 101 that controls overall communication with a LAN, a telephone function unit 107 that controls overall telephone functions such as outgoing and incoming calls, an LCD, LED display, voice input / output, and key input. A man-machine interface 108 to be performed, a wireless telephone terminal registration unit 106 for registering the address of the wireless telephone terminal 30 to be linked, a charging unit 110 for charging the wireless telephone terminal 30 via the charging stand 70, and a charging current of A charging current / voltage detection unit 111 that detects a charging voltage and notifies the answering machine function start / stop control unit 103, and a wireless telephone terminal presence detection request transmission unit that transmits a wireless telephone terminal presence detection request to the wireless access device 20 112, a wireless telephone terminal notifying unit 105 that notifies the wireless telephone terminal 30 to be linked to the wireless access apparatus 20, and the wireless access apparatus 2 From the wireless phone terminal presence / absence notification receiving unit 102 that receives the presence / absence notification from the wireless phone and notifies the answering machine function activation / deactivation control unit 103, and the charging / An answering machine function activation / deactivation control unit 103 that controls activation / deactivation of an answering machine function of the corresponding user with reference to a notification from the voltage detection unit 111, and an answering machine function unit 104 that executes an answering machine function, a message, a transfer, and the like Consists of

The difference between the fixed telephone device 10A of Example 2 and the fixed phone 10 of the first embodiment, voice mail and delete the correspondence table 109, the charging current / voltage detecting unit 111 and the wireless telephone terminal existence detection request transmission to the charging unit 110 This is an addition to the unit 112.

With reference to FIG. 13, a processing sequence among the fixed telephone device , the wireless access device, and the wireless LAN will be described. Here, FIG. 13 is a processing sequence diagram among the fixed telephone device , the wireless access device, and the wireless LAN. 13, pre-existing wireless telephone terminal 30 to the wireless LAN 40, it is assumed that you are assigned to the wireless access device 20. Further, it is assumed that the fixed telephone device 10A activates the answering machine function in the initial stage.

  When the wireless telephone terminal 30 is placed on the charging stand, the fixed telephone apparatus 10A transmits a wireless telephone terminal presence detection request to the wireless access apparatus 20 (S600). The wireless access device 20 detects the presence of the wireless telephone terminal 30 based on the address of the wireless telephone terminal 30 linked with the fixed telephone device 10A (S601 to S602). When there is a reply from the wireless telephone terminal 30, the wireless access device 20 notifies the fixed telephone device 10A of the presence of the wireless telephone terminal (S603). The fixed telephone device 10A stops the answering machine function upon receiving the wireless telephone terminal presence notification (S604).

Next, when the fixed telephone apparatus 10A detects that the wireless telephone terminal 30 has not been placed from the charging stand, it activates the answering machine function (S605).
When the unregistered wireless telephone terminal 30 is placed on the charging stand in the state where the wireless telephone terminal 30 registered in the fixed telephone apparatus 10A does not exist under the wireless access apparatus 20, the fixed telephone apparatus 10A is similarly wireless. A telephone terminal presence detection request is transmitted to the wireless access device 20 (S606). However, since the wireless access device 20 cannot detect the registered wireless telephone terminal 30, a wireless terminal absence notification is transmitted to the fixed telephone device 10A (S607, S608). As a result, the fixed telephone device 10A does not stop the answering machine function. Thus, it is determined whether or not the wireless telephone terminal 30 exists in the vicinity of the fixed telephone device 10A by placing it on the charging stand, and the fixed telephone device. It is detected via the wireless access device 20 whether or not the wireless telephone terminal 30 is registered in 10A. As described above, it is possible to prevent the answering function from being released even when a wireless telephone terminal 30 different from the original is placed on the charging stand.

  With reference to FIG. 14, the answering machine function start / stop processing of the fixed telephone apparatus will be described. Here, FIG. 14 is a flowchart of the answering machine function start / stop processing of the fixed telephone apparatus.

  First, the fixed telephone device 10A waits for a change in charging current or voltage (S700: NO). When there is a change in step 700 (YES), the fixed telephone device 10A determines whether the wireless telephone terminal 30 is placed on the charging stand or removed (S701). When placed at step 701 (YES), the fixed telephone device 10A transmits a wireless telephone terminal detection request notification to the wireless access device 20 (S702). Next, the fixed telephone device 10A waits for a wireless telephone terminal presence / absence notification from the wireless access device 20 (S703: NO).

  When the wireless phone terminal presence / absence notification is received in step 703 (YES), the fixed telephone device 10A determines whether or not the presence notification is present (S704). When the presence notification is made at step 704 (YES), the fixed telephone device 10A determines whether or not the answering function is stopped (S705).

  When the answering machine function is activated in step 705 (YES), the fixed telephone apparatus 10A stops the answering machine function (S706), returns to step 700, and waits for a change in charging current. When the answering machine function is stopped in step 706 (NO), the fixed telephone apparatus 10A returns to step 700 as it is and waits for a change in charging current.

  When the absence notification is made at step 705 (NO), the fixed telephone apparatus 10A determines whether or not the answering function is stopped (S707). When the answering machine function is stopped in step 707 (YES), the fixed telephone apparatus 10A activates the answering machine function (S708), returns to step 700, and waits for a change in charging current. When the answering machine function is activated in step 707 (NO), the fixed telephone apparatus 10A returns to step 700 as it is and waits for a change in charging current.

When the mobile phone is not placed at step 701 (NO), the fixed telephone device 10A transitions to step 707.
In Examples 2, since it is impossible to identify the placed mobile unit 30, with respect to a single fixed telephone device 10, the radio telephone terminal 30 registers only one.

  With reference to FIG. 15, the wireless telephone terminal presence detection process of the wireless access device will be described. Here, FIG. 15 is a wireless telephone terminal detection processing flowchart of the wireless access device. In FIG. 15, the wireless access device 20 waits for reception of a wireless telephone terminal detection request from the fixed telephone device 10 (S800: NO). When received in step 800 (YES), the wireless access device 20 selects the wireless telephone terminal 30 registered in the correspondence table (S801), and transmits a wireless telephone terminal detection packet (S802).

  Next, the wireless access device 20 determines whether a reply is received from the wireless telephone terminal 30 (S803). When received in step 803 (YES), the wireless access device 20 transmits a presence notification to the fixed telephone device 10 corresponding to the wireless telephone terminal 30 and returns to step 800 to wait for reception of the next wireless telephone terminal detection request. . When there is no reply from the wireless telephone terminal 30 in step 803 (NO), the wireless access device 20 transmits an absence notice to the fixed telephone device 10 corresponding to the wireless telephone terminal 30, and returns to step 800 to return to the next wireless telephone terminal. Wait for detection request to be received.

With reference to FIG. 16, a processing sequence among the fixed telephone device , the wireless access device, and the wireless LAN will be described. FIG. 16 is a processing sequence diagram among the fixed telephone device , the wireless access device, and the wireless LAN. Here, it is assumed that one wireless telephone terminal 30 exists in advance on the wireless LAN 40 and belongs to the wireless access device 20.

First, a case where the registered wireless telephone terminal 30 is placed on the charging stand will be described.
When the wireless telephone terminal 30 is placed on the charging stand, the fixed telephone apparatus 10A selects one registered user, sends a wireless telephone terminal presence detection request to the wireless access apparatus 20, and transmits the wireless telephone terminal corresponding to the user. It is transmitted together with the address of the telephone terminal 30 (S900).

  Upon receiving the wireless telephone terminal presence detection request, the wireless access device 20 transmits / receives data such that the current consumption changes to the address of the wireless telephone terminal 30 included in the detection request (S901 to S902). Here, SIP message transmission / reception is used. However, this is not limited as long as it gives a change in current consumption. Further, in order to ensure a change in current consumption, message transmission / reception may be repeated several times.

  When the wireless access device 20 finishes the presence detection process of the wireless telephone terminal 30, the wireless access device 20 transmits a presence detection end notification to the fixed telephone device 10A (S903).

  When receiving the presence detection end notification, the fixed telephone device 10A does nothing because there is no change in the charging current or voltage to the wireless phone terminal 30 from the transmission of the wireless phone terminal presence request until the presence detection end notification is received. Absent.

  When n users are registered, the fixed telephone apparatus 10A transmits n wireless telephone terminal presence detection requests, and the wireless access apparatus 20 also detects n wireless telephone terminals (S904 to S906).

  This sequence is a case where the nth wireless telephone terminal 30 is placed, and a change in the charging current or voltage is detected before the presence detection end notification (S908) is received in the nth wireless telephone terminal presence detection. (S907). In response to this result, the fixed telephone apparatus 10A stops the answering function of the user n (S910).

Next, a case where an unregistered wireless telephone terminal 30 is placed on the charging stand will be described.
Similarly, the fixed telephone apparatus 10A transmits 1 to n wireless telephone terminal presence detection requests to the wireless access apparatus 20, and the wireless access apparatus 20 performs 1 to n wireless telephone terminal presence detection (S911 to S917).

In this case, since the unregistered wireless telephone terminal 30 is placed on the charging stand, a change in charging current or voltage is not detected during the presence detection of the wireless telephone terminal. For this reason, the user's answering machine function is not stopped.Charge current and voltage are time-scaled together with current and voltage axes in order to ascertain gradual changes during normal charging and momentary changes during presence detection. Make a decision at. The same processing is performed when there are a plurality of wireless telephone terminals 30.

  Thus, even if an unregistered wireless telephone terminal 30 is placed on the charging stand by reliably determining whether or not the wireless telephone terminal 30 placed on the charging stand is a registered terminal. You can prevent the answering function from stopping.

  With reference to FIG. 17, the answering machine function start / stop processing of the fixed telephone apparatus will be described. Here, FIG. 17 is a flowchart of the answering machine function start / stop processing of the fixed telephone apparatus. In FIG. 17, the fixed telephone apparatus 10A first waits for a change in charging current or voltage (S950: NO). When there is a change in step 950 (YES), the fixed telephone apparatus 10A determines whether or not the wireless telephone terminal 30 is placed on the charging stand (S951).

  When placed in step 951 (YES), the fixed telephone apparatus 10A selects a registered user (S952), and sends a wireless telephone terminal detection request together with the address of the wireless telephone terminal 30 corresponding to the user to the wireless access apparatus 20. (S953).

  Next, the fixed telephone device 10A waits for a presence detection end notification from the wireless access device 20 (S954).

  When the presence detection end notification is received in step 954 (YES), the fixed telephone device 10A changes to the charging current or voltage after the wireless telephone terminal detection request is transmitted until the presence detection end notification is received. It is determined whether or not there is (S955).

  When there is a change in step 955 (YES), the fixed telephone apparatus 10A stops the answering function corresponding to the selected user (S956).

  Next, the fixed telephone apparatus 10A determines whether or not the detection of the radio telephone terminals 30 of all users has been completed (S957). When the detection ends in step 957 (YES), the fixed telephone apparatus 10A returns to step 950 and waits for a change in the charging current or voltage. When the detection is not completed in step 957, the fixed telephone apparatus 10A selects the next registered user in step 952, and repeats the subsequent processing.

  When there is no change in the charging current or voltage in step 955 (NO), the fixed telephone apparatus 10A does not perform the process of step 956, and transitions to step 957.

  When the wireless telephone terminal 30 is not placed in step 951 (NO), the fixed telephone device 10A activates the answering function for all users (S958), returns to step 950, and determines the charging current or voltage. Wait for change.

  With reference to FIG. 18, a radio telephone terminal presence detection process of the radio access device will be described. Here, FIG. 18 is a flowchart of the wireless telephone terminal presence detection process of the wireless access device. In FIG. 18, the wireless access device 20 first waits for reception of a wireless telephone terminal presence detection request from the fixed telephone device 10 (S980: NO). When the wireless telephone terminal presence detection request is received in step 980 (YES), the wireless access device 20 performs detection processing on the address of the wireless telephone terminal 30 included in the wireless telephone terminal presence detection request (S981).

  When the presence detection process (S981) ends, the wireless access device 20 transmits a presence detection end notification to the fixed telephone device 10 (S982), returns to step 980, and waits for reception of the next wireless phone terminal presence detection request.

  According to the third embodiment, it is possible to determine whether or not the wireless telephone terminal placed on the charging stand has been registered in the fixed telephone device and stop the answering machine function.

It is a block diagram of a telephone system. It is a functional block diagram of a fixed telephone apparatus. It is a figure explaining an answering machine function correspondence table. It is a functional block diagram of a radio access device. It is a figure explaining a fixed telephone apparatus / wireless telephone terminal correspondence table. It is a processing sequence diagram among a fixed telephone apparatus , a radio access apparatus, and a wireless LAN. It is a flowchart of the wireless telephone terminal registration process of a fixed telephone apparatus. It is a flowchart of the radio | wireless telephone terminal registration process of a radio | wireless access apparatus. It is a flowchart which shows the answering machine function starting / stopping process of a fixed telephone apparatus. It is a radio telephone terminal detection process flowchart of a radio | wireless access apparatus. It is a block diagram of a telephone system. It is a functional block diagram of a fixed telephone apparatus. It is a processing sequence diagram among a fixed telephone apparatus , a radio access apparatus, and a wireless LAN. It is a flowchart of the answering machine function start and stop processing of the fixed telephone device. It is a radio telephone terminal detection process flowchart of a radio | wireless access apparatus. It is a processing sequence diagram among a fixed telephone apparatus , a radio access apparatus, and a wireless LAN. It is a flowchart of the answering machine function start and stop processing of the fixed telephone device. It is a flowchart of the radio | wireless telephone terminal presence detection process of a radio | wireless access apparatus. [Explanation of symbols]

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Fixed telephone apparatus, 20 ... Wireless access apparatus, 30 ... Wireless telephone terminal, 40 ... Wireless LAN, 50 ... WAN, 60 ... LAN, 70 ... Charging stand, 101 ... Communication part, 102 ... Wireless telephone terminal presence / absence notification Receiving unit 103 ... Answering machine function start / stop control unit 104 ... Answering machine function unit 105 ... Wireless telephone terminal notification unit 106 ... Wireless telephone terminal registration unit 107 ... Telephone function unit 108 ... Man-machine interface 109 ... Answering Machine Function Correspondence Table, 110 ... Charging Unit, 111 ... Charging Current / Voltage Detection Unit, 201 ... Wired Communication Unit, 202 ... Wireless Phone Terminal Notification Reception Unit, 203 ... Fixed Telephone Device / Wireless Phone Terminal Corresponding Table, 204 ... Wireless Phone Terminal presence detection unit 205... Wireless telephone terminal presence / absence notification unit 206... Bridge unit 207 wireless communication unit 300 telephone system

Claims (3)

A fixed telephone system installation site has a fixed and and voice mail, and mobile unit movable, a telephone system comprising a radio access device that houses the wireless telephone terminal,
The wireless access device includes a correspondence table for pre-associating and registering the fixed telephone device and the wireless telephone terminal, and the wireless telephone terminal is present in its own wireless area in response to a request from the fixed telephone device. A wireless telephone terminal detecting means for detecting whether or not the wireless telephone terminal detecting means is activated and the wireless telephone terminal detecting means is activated by a request from the fixed telephone device to detect that the wireless telephone terminal exists in its own wireless area; If the presence notification including the detected address of the wireless telephone terminal is transmitted to the fixed telephone apparatus and the presence of the wireless telephone terminal in the wireless area cannot be detected, the absence notification is transmitted to the fixed telephone apparatus. A presence / absence notification transmission means for transmitting to
The fixed-line telephone device identifies charging means for charging the wireless telephone terminal, charging state detection means for identifying whether or not the charging means is in a charged state, and identifying that the charging state detection means is in a charged state A presence detection requesting unit that requests the wireless access device to start the wireless telephone terminal detection unit, and when the absence notification is received from the wireless access device , activates the answering machine function to notify the presence notification . An answering machine function start / stop means for stopping the answering machine function of the wireless telephone terminal corresponding to the address included in the presence notification when received . The telephone system according to claim 1 ,
The fixed-line telephone device detects a change in current consumption of the wireless telephone terminal by a change in charging current or charging voltage, and stops the answering function corresponding to the wireless telephone notified from the wireless access device. Phone system. The telephone system according to claim 1 or 2 , wherein
The telephone system according to claim 1, wherein the charging means is a general-purpose interface having a power feeding function mounted on the fixed telephone apparatus.

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