JP2006129020A - Portable telephone and system thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize voice call and data communication at a low cost with suppressed power consumption of a battery, and to improve usability as a portable telephone. <P>SOLUTION: A portable telephone 31 on call termination side triggers a wireless LAN communication when receiving a wireless LAN trigger request signal from a portable telephone 11 on calling side. If the wireless LAN communication is communicable, it transmits the wireless LAN trigger response signal representing the state to the portable telephone 11 on the calling side. The portable telephone 11 on the calling side executes calling operation with the portable telephone 31 on the call termination side as a destination, by the wireless LAN communication when receiving the wireless LAN trigger response signal from the portable telephone 31 on the call termination side, for voice call between the own device 11 and the portable telephone 31 on the call termination side through an IP network 61. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mobile phone system configured to allow mobile phones to perform voice calls and data communication through an IP network, and a mobile phone used in the mobile phone system.

In recent years, IP mobile phones that can perform voice calls and data communication through an IP (Internet Protocol) network have been provided (see, for example, Patent Document 1).
JP 2004-282508 A

  In this type of IP mobile phone, voice communication and data communication are performed through the IP network in an environment where wireless LAN master devices such as homes and areas called hot spots are located nearby. Calls and data communications can be realized at low cost. By the way, in order to perform voice communication and data communication through the IP network in this way, a wireless LAN communication unit that functions as a wireless LAN slave unit is necessary. It is necessary to keep it. However, in the configuration in which the wireless LAN communication unit is always activated, the power consumption of the battery is increased due to the fact that the power consumption of the wireless LAN communication unit is large.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to realize voice call and data communication at low cost by performing voice call and data communication through an IP network. It is an object of the present invention to provide a mobile phone system and a mobile phone that can improve the usability as a mobile phone by suppressing power consumption.

  According to the cellular phone system described in claim 1, the originating side control means causes the wireless LAN activation request signal to be transmitted from the originating side cellular phone communication means to the terminating side cellular phone. Next, when the wireless LAN activation request signal is received by the incoming side mobile phone communication means from the outgoing side mobile phone communication means, the incoming side control means activates the incoming side wireless LAN communication means, and the incoming side wireless LAN communication means If communication is possible, a wireless LAN activation response signal indicating that is transmitted from the incoming side wireless LAN communication means or the incoming side mobile phone communication means to the outgoing side mobile phone. When the wireless LAN activation response signal is received from the incoming side mobile phone by the outgoing side wireless LAN communication means or the outgoing side mobile phone communication means, the outgoing side control means sets the incoming side mobile phone to the outgoing side wireless LAN communication means. A voice call or data communication between the caller mobile phone and the callee mobile phone is performed through the IP network by performing a call origination operation.

  Thereby, in the incoming side mobile phone, the incoming side wireless LAN communication means is activated only after the wireless LAN activation request signal is received from the outgoing side mobile phone. It is not necessary to always start up the battery, power consumption of the battery can be suppressed, and usability as a mobile phone can be improved. In addition, after the incoming wireless LAN communication means is activated, if the incoming wireless LAN communication means is communicable, the originating mobile phone performs an outgoing operation with the incoming mobile phone as the outgoing call destination, Since the voice call and data communication with the side mobile phone are performed through the IP network, the voice call and data communication can be realized at low cost. Also, in this case, since the originating mobile phone that first transmitted the wireless LAN activation request signal to the terminating mobile phone performs the outgoing operation, the caller can be charged appropriately.

  According to the mobile phone system described in claim 2, the incoming side control means causes the wireless LAN activation response signal to be transmitted from the incoming side wireless LAN communication means to the outgoing side mobile phone. As a result, the incoming side mobile phone can quickly disconnect from the mobile phone network, and the connection with the mobile phone network can be quickly cut off to reduce the charge required for connection to the mobile phone network. be able to.

  According to the mobile phone system described in claim 3, the caller side control unit causes the wireless LAN activation request signal to be transmitted from the caller side mobile phone communication unit to the callee side mobile phone. Then, when the wireless LAN activation request signal is received by the incoming side mobile phone communication means from the outgoing side mobile phone, the incoming side control means activates the incoming side wireless LAN communication means so that the incoming side wireless LAN communication means can communicate. If this is the case, the incoming side wireless LAN communication means is caused to perform an outgoing operation with the outgoing side mobile phone as the destination, and voice communication and data communication between the incoming side mobile phone and the outgoing side mobile phone are performed through the IP network.

  As a result, the incoming side mobile phone is activated only when the wireless LAN activation request signal is received from the outgoing side mobile phone, so that the incoming side wireless LAN communication means is activated. Thus, it is not necessary to always activate the wireless LAN communication means, battery power consumption can be suppressed, and usability as a mobile phone can be improved. In addition, after the incoming wireless LAN communication means is activated, if the incoming wireless LAN communication means is communicable, the incoming mobile phone performs an outgoing operation with the outgoing mobile phone as the outgoing call destination. Since the voice call and data communication with the mobile phone on the side are performed through the IP network, the voice call and data communication can be realized at low cost in the same manner as described in the first aspect. Also, in this case, the caller mobile phone does not perform the call operation, but the callee mobile phone performs the call operation. The procedure for transmitting the activation response signal to the caller mobile phone can be omitted, and voice call and data communication can be started promptly.

  According to the cellular phone system described in claim 4, the originating side control means is assigned to the originating side mobile phone when transmitting the wireless LAN activation request signal from the originating side mobile phone communication means to the terminating side mobile phone. The IP address that has been sent is also transmitted from the caller mobile phone communication means to the callee mobile phone. As a result, it becomes possible for the receiving side mobile phone to recognize the IP address assigned to the calling side mobile phone, so that the IP network has trouble managing the correspondence between the mobile phone number of the calling side mobile phone and the IP address. And an IP server for managing the correspondence between the mobile phone number of the caller mobile phone and the IP address can be made unnecessary.

  According to the mobile phone system described in claim 5, when the wireless LAN activation request signal is received by the incoming side mobile phone communication means from the outgoing side mobile phone communication means, the incoming side control means moves the incoming side mobile phone. Whether or not the incoming mobile phone is in the moving state, activates the incoming wireless LAN communication means, and if the incoming mobile phone is in the mobile state, the incoming wireless LAN communication means Will not start. Thus, for example, if the user using the incoming mobile phone is not driving, voice communication and data communication can be permitted. On the other hand, if the user using the incoming mobile phone is driving, the voice call is allowed. And data communication can be prohibited, and prohibition or permission of voice call and data communication can be appropriately selected according to the situation of the user who uses the incoming side mobile phone.

  According to the cellular phone set forth in claim 6, the control means causes the wireless LAN activation request signal to be transmitted from the cellular phone communication means to another cellular phone, and the wireless LAN activation response signal is transmitted from the other cellular phone to the wireless LAN communication means. Alternatively, when received by the mobile phone communication means, the wireless LAN communication means performs the outgoing operation with the other mobile phone as the destination, and performs voice call and data communication between the own device and the other mobile phone through the IP network. Make it. Thereby, it is possible to function as a caller-side mobile phone in the mobile phone system described in claim 1, and to suppress the power consumption of the battery of another mobile phone that is the call-receiving-side mobile phone, By performing voice communication and data communication between the own device and another mobile phone through the IP network, voice communication and data communication between the own device and another mobile phone can be realized at low cost.

  According to the cellular phone set forth in claim 7, when the wireless LAN activation request signal is received by the cellular phone communication means from another cellular phone, the control means activates the wireless LAN communication means, and the wireless LAN communication means If communication is possible, a wireless LAN activation response signal indicating that is transmitted from the wireless LAN communication means or the mobile phone communication means to another mobile phone. As a result, it can function as a receiving side mobile phone in the mobile phone system described in claim 1, and can suppress the power consumption of its own battery which is the receiving side mobile phone. Voice communication and data communication between the mobile phone and another mobile phone can be realized at low cost by performing voice communication and data communication between the mobile phone and the other mobile phone.

  According to the mobile phone recited in claim 8, when the wireless LAN activation request signal is received by the mobile phone communication means from another mobile phone, the control means activates the wireless LAN communication means, and the wireless LAN communication means If communication is possible, the wireless LAN communication means performs a call origination operation using another mobile phone as a destination, and performs voice communication and data communication between the own device and the other mobile phone through the IP network. Thus, it can function as a receiving side mobile phone in the mobile phone system described in claim 3 and can suppress power consumption of the battery of its own device which is the receiving side mobile phone. Voice communication and data communication between the mobile phone and another mobile phone can be realized at low cost by performing voice communication and data communication between the mobile phone and the other mobile phone.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 schematically shows the overall configuration of a mobile phone system. The cellular phone system 1 includes an IP cellular phone (hereinafter simply referred to as a cellular phone) 11 and an IP cellular phone (hereinafter simply referred to as a cellular phone) 31. In the present embodiment, hereinafter, the mobile phone 11 will be described as a calling-side mobile phone in the present invention, and the mobile phone 31 will be described as a receiving-side mobile phone in the present invention.

  As shown in FIG. 2, the mobile phone 11 on the calling side includes a control unit 12 (calling side control means in the present invention), a mobile phone communication unit 13 (calling side mobile phone communication means in the present invention), wireless LAN communication. Unit 14 (calling side wireless LAN communication means in the present invention), voice processing unit 15, microphone 16, speaker 17, display unit 18, operation receiving unit 19, storage unit 20, and power supply control unit 21. .

  The control unit 12 is mainly composed of a microcomputer, and controls the entire operation of the mobile phone 11 by executing a control program. The mobile phone communication unit 13 performs mobile phone communication with mobile phone base stations constituting the mobile phone network 51. The wireless LAN communication unit 14 functions as a wireless LAN slave device and performs wireless LAN communication with the wireless LAN master device constituting the IP network 61. The voice processing unit 15 performs voice processing on the voice input as the transmitted voice by the microphone 16 and the voice output as the received voice by the speaker 17 according to a predetermined voice processing algorithm.

  The display unit 18 is composed of, for example, a liquid crystal display, and displays a radio wave reception state, time, caller telephone number, and the like. The operation receiving unit 19 is configured by arranging a power key, a numeric key, and the like, and receives a key operation by a user. The memory | storage part 20 is comprised from memory and memorize | stores a user's personal information, telephone directory information, etc., for example. The power supply control unit 21 is connected to a battery 22 that can be attached to and detached from the main body (not shown), and includes the control unit 12, the mobile phone communication unit 13, the wireless LAN communication unit 14, the voice processing unit 15, the display unit 18, and the operation described above. Operating power is supplied to the receiving unit 19 and the storage unit 20.

  On the other hand, as shown in FIG. 3, the mobile phone 31 on the incoming side includes a control unit 32 (incoming side control means in the present invention), a mobile phone communication unit 33 (incoming side mobile phone communication means in the present invention), wireless A LAN communication unit 34 (incoming side wireless LAN communication means in the present invention), a voice processing unit 35, a microphone 36, a speaker 37, a display unit 38, an operation receiving unit 39, a storage unit 40, and a power control unit 41 are configured. ing. Each of these units 32 to 41 is configured to have a function equivalent to that of each unit 12 to 21 of the transmitting-side mobile phone 11 described above.

  It should be noted that, in the mobile phone 11 on the calling side and the mobile phone 31 on the receiving side, the control units 12 and 32 receive operating power from the power control units 21 and 41 when the mobile phones 11 and 31 are powered on. At the same time, operating power is supplied from the power control units 21 and 41 to the mobile phone communication units 13 and 33, the voice processing units 15 and 35, the display units 18 and 38, the operation receiving units 19 and 39, and the storage units 20 and 40. Only when a predetermined condition is satisfied when the power of the mobile phones 11 and 31 is turned on, operating power is supplied from the power control units 21 and 41 to the wireless LAN communication units 14 and 34. It is comprised so that it may supply. Further, when the power consumption of the mobile phone communication units 13 and 33 is compared with the power consumption of the wireless LAN communication units 14 and 34, the power consumption of the wireless LAN communication units 14 and 34 is higher than that of the mobile phone communication units 13 and 33. It is configured to be larger than electric power.

  Next, the operation of the above configuration will be described with reference to FIGS. Here, FIGS. 4 and 5 are flowcharts showing processes performed by the control unit 12 of the calling-side mobile phone 11 and the control unit 32 of the receiving-side mobile phone 31. Here, the description will be made on the assumption that the power source mobile phone 11 and the incoming side mobile phone 31 are turned on.

  In the mobile phone 11 on the caller side, the control unit 12 determines whether or not a call operation has been performed by the user when the mobile phone 11 is powered on (step S1). Here, when the control unit 12 detects that the mobile phone number is input and the call operation is performed by the user (“YES” in step S1), the control unit 12 transmits the operating power from the power control unit 21 to the wireless LAN communication unit. 14 to start the wireless LAN communication unit 14 (step S2), determine the communication state and communication content with the wireless LAN base unit, and the wireless LAN communication unit 14 on the transmission side is communicable (usable). Whether or not (step S3).

  Here, for example, when the control unit 12 detects that the radio wave environment is good or the authentication result is positive, and detects that the originating wireless LAN communication unit 14 is communicable (in step S4). “YES”), the wireless LAN activation including the mobile phone number of the incoming side mobile phone 31 that is the destination mobile phone and the mobile phone number and IP address of the outgoing side mobile phone 11 that is the source mobile phone A request signal is transmitted from the mobile phone communication unit 13 to the mobile phone 31 on the receiving side through the mobile phone network 51 (step S5). In this case, the control unit 12 may cause the wireless LAN activation request signal to be transmitted in the form of an SMS (short message service) signal, or may cause the wireless LAN activation request signal to be transmitted in the form of an e-mail signal. .

  In the incoming side mobile phone 31, the control unit 32, when the mobile phone 31 is powered on, sends a wireless LAN activation request signal from the outgoing side mobile phone 11 to the mobile phone communication unit 33 through the mobile phone network 51. It is determined whether or not it has been received (step T1), and when it is detected that the wireless LAN activation request signal has been received by the mobile phone communication unit 33 through the mobile phone network 51 from the mobile phone 11 on the calling side (“ YES ”), operating power is supplied from the power supply control unit 41 to the wireless LAN communication unit 34 to activate the wireless LAN communication unit 34 (step T2). In this case as well, the control unit 32 determines the communication state and communication content with the wireless LAN base unit by performing the same processing as the processing on the transmission side, and the wireless LAN communication unit 34 on the incoming side can communicate. (Step T3).

  Here, for example, when the control unit 32 detects that the radio wave environment is good or the authentication result is positive, and detects that the incoming-side wireless LAN communication unit 34 is communicable (in step T4). “YES”), a wireless LAN activation response signal indicating that the incoming wireless LAN communication unit 34 is communicable is transmitted from the wireless LAN communication unit 34 to the mobile phone 11 on the outgoing side through the IP network 61 (step T5). .

  In the mobile phone 11 on the outgoing side, the control unit 12 detects that the wireless LAN activation response signal is received from the incoming side mobile phone 31 through the IP network 61 to the wireless LAN communication unit 14 (“YES” in step S6). ]), The wireless LAN activation response signal is analyzed to determine whether or not the incoming wireless LAN communication unit 34 is communicable (step S7). When the control unit 12 detects that the incoming wireless LAN communication unit 34 is communicable (“YES” in step S7), the control unit 12 causes the wireless LAN communication unit 14 to transmit a transmission signal to the IP network 61 ( Step S8).

  In the mobile phone 31 on the incoming side, the control unit 32 determines whether or not the incoming signal is received from the IP network 61 by the wireless LAN communication unit 34 (step T6), and the incoming signal is transmitted from the IP network 61 to the wireless LAN communication unit. When it is detected that the data has been received at 34 (“YES” at step T6), a response signal is transmitted from the wireless LAN communication unit 34 to the IP network 61 (step T7).

  In the mobile phone 11 on the calling side, the control unit 12 determines whether or not a response signal is received from the IP network 61 by the wireless LAN communication unit 14 (step S9), and the response signal is transmitted from the IP network 61 to the wireless LAN communication unit. 14 ("YES" in step S9), thereafter, a voice call between the own device 11 and the mobile phone 31 on the receiving side is performed through the IP network 61 (step S10). Accordingly, in the mobile phone 31 on the incoming side, the control unit 32 also performs a voice call between the own device 31 and the mobile phone 11 on the outgoing side through the IP network 61 (step T8).

  Through the series of processes described above, the wireless LAN communication unit 34 is activated in the mobile phone 31 on the incoming side only after the wireless LAN activation request signal is received from the mobile phone 11 on the outgoing side through the cellular phone network 51. . In the mobile phone 11 on the outgoing side, after the wireless LAN communication unit 34 of the mobile phone 31 on the incoming side is activated, the wireless LAN communication unit 14 on the outgoing side can communicate and the wireless LAN on the incoming side. If the communication unit 34 is communicable, a transmission signal is transmitted to the IP network 61, and thereafter, a voice call between the own device 11 and the mobile phone 31 on the receiving side is performed through the IP network 61.

  On the other hand, in the incoming-side mobile phone 31, the control unit 32 detects, for example, that the radio wave environment is not good or that the authentication result is not positive, and the incoming-side wireless LAN communication unit 34 cannot communicate. When the effect is detected (“NO” in step T4), the supply of operating power from the power supply control unit 41 to the wireless LAN communication unit 34 is stopped, and the wireless LAN communication unit 34 is activated and stopped (step T9). The wireless LAN communication unit 34 transmits a wireless LAN activation response signal indicating that communication is impossible from the mobile phone communication unit 33 to the mobile phone 11 on the transmission side through the mobile phone network 51 (step T10).

  In the mobile phone 11 on the calling side, the control unit 12 detects that the wireless LAN activation response signal is received from the mobile phone 31 on the receiving side through the mobile phone network 51 to the mobile phone communication unit 13 (“ YES ”), the wireless LAN activation response signal is analyzed to determine whether or not the incoming wireless LAN communication unit 34 can communicate (step S7). When the control unit 12 detects that the incoming wireless LAN communication unit 34 cannot communicate (“NO” in step S7), the control unit 12 determines the operating power from the power supply control unit 21 to the wireless LAN communication unit 14. The supply is stopped and the wireless LAN communication unit 14 is activated and stopped (step S11).

  Next, the control unit 12 causes the display unit 18 to display a display message indicating that voice communication via the IP network 61 is impossible (step S12), and whether or not a call operation has been performed by the mobile phone network 51 by the user. Is determined (step S13). When the control unit 12 detects that the user has performed a call operation on the mobile phone network 51 (“YES” in step S13), the control unit 12 transmits a call signal from the mobile phone communication unit 13 to the mobile phone network 51. (Step S14).

  In the mobile phone 31 on the incoming side, the control unit 32 determines whether or not an incoming signal is received from the mobile phone network 51 by the mobile phone communication unit 33 (step T11), and the incoming signal is sent from the mobile phone network 51 to the mobile phone. When the communication unit 33 detects that it has been received (“YES” in step T11), a response signal is transmitted from the mobile phone communication unit 33 to the mobile phone network 51 (step T12).

  In the mobile phone 11 on the calling side, the control unit 12 determines whether or not a response signal is received from the mobile phone network 51 by the mobile phone communication unit 13 (step S15), and the response signal is sent from the mobile phone network 51 to the mobile phone. When it is detected by the communication unit 13 (“YES” in step S15), thereafter, a voice call between the own device 11 and the incoming side mobile phone 31 is performed through the mobile phone network 51 (step S16). Accordingly, in the mobile phone 31 on the incoming side, the control unit 32 thereafter performs a voice call between the own device 31 and the mobile phone 11 on the outgoing side through the mobile phone network 51 (step T13).

  In the mobile phone 11 on the calling side, the control unit 31 detects, for example, that the radio wave environment is not good or that the authentication result is not positive, and detects that the wireless LAN communication unit 14 on the calling side cannot communicate. Then ("NO" in step S4), the process described in steps S11 to S16 described above is also performed in this case.

  Through the series of processes described above, the mobile phone 11 on the calling side activates the wireless LAN communication unit 34 of the mobile phone 31 on the receiving side, but is the communication side 34 unable to communicate with the wireless LAN communication unit 34 on the receiving side? Alternatively, if the calling-side wireless LAN communication unit 14 cannot communicate, the wireless LAN communication unit 14 of the own device is started and stopped, and the wireless LAN communication unit 34 of the mobile phone 31 on the receiving side is started and stopped. By transmitting the signal to the mobile phone network 51, a voice call between the own device 11 and the mobile phone 31 on the receiving side is performed through the mobile phone network 51 thereafter.

  By the way, as described above, in the mobile phone 11 on the outgoing side, the mobile phone number of the incoming side mobile phone 31 which is the mobile phone of the destination and the mobile phone number and the IP of the mobile phone 11 on the outgoing side which is the mobile phone of the source. Although the configuration for transmitting the wireless LAN activation request signal including the address to the mobile phone 31 on the incoming side has been described, it is not always necessary to transmit the IP address of the mobile phone 11 on the outgoing side that is the mobile phone of the source. In other words, a wireless LAN activation request signal including the mobile phone number of the incoming mobile phone 31 that is the destination mobile phone and the mobile phone number of the outgoing mobile phone 11 that is the outgoing mobile phone is sent to the incoming side. It may be configured to transmit to the mobile phone 31. In this case, an IP server (not shown) of the IP network 61 manages the correspondence between the mobile phone number of the mobile phone 11 on the outgoing call side and the IP address, and the mobile phone 31 on the incoming call side After inquiring the IP server of the IP address of the mobile phone 11, a wireless LAN activation response signal is transmitted to the mobile phone 11 on the transmission side through the IP network 51.

  Further, the above configuration is such that, in the incoming side mobile phone 31, a wireless LAN activation response signal indicating that the incoming side wireless LAN communication unit 34 can communicate is transmitted to the outgoing side mobile phone 11 through the IP network 61. As described above, the wireless LAN activation response signal indicating that the incoming side wireless LAN communication unit 34 can communicate may be transmitted to the outgoing side mobile phone 11 through the mobile phone network 51. In addition, the configuration in which the mobile phone 11 on the calling side and the mobile phone 31 on the receiving side perform a voice call has been described above. However, the configuration in which the mobile phone 11 on the calling side and the mobile phone 31 on the receiving side perform data communication. It may be.

  As described above, according to the first embodiment, in the mobile phone system 1, when the incoming side mobile phone 31 receives the wireless LAN activation request signal from the outgoing side mobile phone 11, the wireless LAN communication is performed. If the wireless LAN communication unit 34 is communicable, a wireless LAN activation response signal indicating that fact is transmitted to the mobile phone 11 on the outgoing side, and the mobile phone 11 on the outgoing side When a wireless LAN activation response signal is received from the telephone 31, the wireless LAN communication unit 13 performs a call origination operation with the receiving-side mobile phone 31 as the destination, and a voice call between the own device 11 and the receiving-side mobile phone 31. Is configured to be performed through the IP network 61.

  Thereby, in the incoming side mobile phone 31, the wireless LAN communication unit 34 is started up only after receiving the wireless LAN activation request signal from the outgoing side mobile phone 11. It is not necessary to always activate the LAN communication unit 34, power consumption of the battery can be suppressed, and usability as a mobile phone can be improved. Moreover, after the incoming-side wireless LAN communication unit 34 is activated, if the incoming-side wireless LAN communication unit 34 is communicable, the outgoing-side mobile phone 11 makes outgoing calls with the incoming-side mobile phone 31 as the outgoing call destination. Since the voice call between the own device 11 and the mobile phone 31 on the receiving side is performed through the IP network 61 by performing the operation, the voice call can be realized at low cost. Further, in this case, since the calling-side mobile phone 11 that first transmitted the wireless LAN activation request signal to the receiving-side mobile phone 31 performs the outgoing call operation, the caller can be charged appropriately.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. In addition, description is abbreviate | omitted about the same part as above-mentioned 1st Embodiment, and a different part is demonstrated. In the first embodiment described above, the mobile phone 31 on the incoming side transmits a wireless LAN activation response signal to the mobile phone 11 on the outgoing side, so that the mobile phone 11 on the outgoing side transmits the outgoing signal to the IP network 61. On the other hand, in the second embodiment, the mobile phone 31 on the incoming side does not transmit the wireless LAN activation response signal to the mobile phone 11 on the outgoing side. In this configuration, the signal is transmitted to the IP network 61.

  That is, in the mobile phone 31 on the incoming side, when the control unit 32 detects that the wireless LAN communication unit 34 on the incoming side is communicable (“YES” in step T4), the wireless LAN communication unit 34 on the incoming side. A transmission signal is transmitted from the wireless LAN communication unit 34 to the IP network 61 without causing the wireless LAN communication unit 34 to transmit a wireless LAN activation response signal indicating that communication is possible from the wireless LAN communication unit 34 to the mobile phone 11 on the transmission side. (Step T21).

  In the mobile phone 11 on the calling side, the control unit 12 determines whether or not the incoming signal is received from the IP network 61 by the wireless LAN communication unit 14 (step S21), and the incoming signal is transmitted from the IP network 61 to the wireless LAN communication unit. 14 ("YES" in step S21), a response signal is transmitted from the wireless LAN communication unit 14 to the IP network 61 (step S22).

  In the incoming-side mobile phone 31, the control unit 32 determines whether or not a response signal is received from the IP network 61 by the wireless LAN communication unit 34 (step T22), and the response signal is transmitted from the IP network 61 to the wireless LAN communication unit. 34 (YES in step T22, and thereafter, a voice call between the own device 31 and the mobile phone 11 on the calling side is performed through the IP network 61 (step T23). Then, in the mobile phone 11 on the outgoing side, the control unit 12 also performs a voice call between the own device 11 and the mobile phone 31 on the incoming side through the IP network 61 (step S23).

  As described above, according to the second embodiment, in the mobile phone system 1, when the incoming side mobile phone 31 receives the wireless LAN activation request signal from the outgoing side mobile phone 11, the wireless LAN communication is performed. When the wireless LAN communication unit 34 is communicable, the wireless LAN communication unit 34 performs a transmission operation using the mobile phone 11 on the transmission side as a transmission destination, and the own device 31 and the mobile phone 11 on the transmission side. The voice call is made through the IP network 61.

  As a result, in the mobile phone 31 on the incoming side, the wireless LAN communication unit 34 is started up only after receiving the wireless LAN activation request signal from the mobile phone 11 on the outgoing side. Therefore, as described in the first embodiment described above. In the same manner as described above, it is not necessary to always activate the wireless LAN communication unit 34, power consumption of the battery can be suppressed, and usability as a mobile phone can be improved. In addition, after the incoming-side wireless LAN communication unit 34 is activated, if the incoming-side wireless LAN communication unit 34 is communicable, the incoming-side mobile phone 31 sends the outgoing-side mobile phone 11 as the outgoing call destination. Since the voice call between the own device 31 and the calling-side mobile phone 11 is performed through the IP network 61 by performing the operation, the voice call can be made inexpensively in the same manner as described in the first embodiment. Can be realized. In this case, since the mobile phone 11 on the calling side does not perform the calling operation but the mobile phone 31 on the receiving side performs the calling operation, the caller charging cannot be performed. The procedure for the cellular phone 31 to transmit the wireless LAN activation response signal to the originating cellular phone 11 can be omitted, and the voice call can be started promptly.

(Other embodiments)
The present invention is not limited to the above-described embodiment, and can be modified or expanded as follows.
At the incoming side mobile phone, when the wireless LAN activation request signal is received from the outgoing side mobile phone, for example, whether or not the drive mode is set in the own device (whether or not the own device is in a moving state). Even if the wireless LAN communication unit is activated when the drive mode is not set for the own device, the wireless LAN communication unit is activated when the drive mode is set for the own device. good.

In the incoming side mobile phone, when the incoming side wireless LAN communication unit is communicable, it may be configured to notify the user that a voice call is to be made through the IP network, or the incoming side wireless LAN When the communication unit is incapable of communication, or when the calling-side wireless LAN communication unit is incapable of communication, the user may be notified of a notice that a voice call is to be made through the mobile phone network. .
The calling side mobile phone and the incoming side mobile phone may have different configurations.

1 is a functional block diagram showing the overall configuration of the first embodiment of the present invention. Functional block diagram showing the configuration of the mobile phone on the calling side Functional block diagram showing the configuration of the incoming side mobile phone flowchart 4 equivalent diagram Functional block diagram showing the overall configuration of the second embodiment of the present invention 4 equivalent diagram 4 equivalent diagram

Explanation of symbols

In the drawings, 1 is a mobile phone system, 11 is a mobile phone (calling side mobile phone), 12 is a control unit (calling side control means), 13 is a mobile phone communication unit (calling side mobile phone communication means), and 14 is a wireless LAN. Communication unit (outgoing side wireless LAN communication means) 31 is a mobile phone (incoming side mobile phone), 32 is a control unit (incoming side control means), 33 is a mobile phone communication unit (incoming side mobile phone communication means), 34 is A wireless LAN communication unit (incoming wireless LAN communication means), 51 is a mobile phone network, and 61 is an IP network.

Claims (8)

A caller-side mobile phone communication means connectable to a mobile phone network, a caller-side mobile phone provided with a caller-side wireless LAN communication means and a caller-side control means connectable to an IP network;
A mobile phone system comprising a receiving side mobile phone communication means connectable to a mobile phone network, a receiving side wireless LAN communication means connectable to an IP network, and a receiving side mobile phone provided with a receiving side control means,
The originating side control means causes a wireless LAN activation request signal to be transmitted from the originating side mobile phone communication means to the terminating side mobile phone,
The incoming side control means activates the incoming side wireless LAN communication means when the wireless LAN activation request signal is received by the incoming side mobile telephone communication means from the outgoing side mobile phone communication means, and the incoming side wireless LAN communication means When the LAN communication means is communicable, a wireless LAN activation response signal indicating that is transmitted from the incoming side wireless LAN communication means or the incoming side mobile phone communication means to the outgoing side mobile phone,
The calling-side control means sends the calling-side wireless LAN communication means to the calling-side wireless LAN communication means when a wireless LAN activation response signal is received from the called-side mobile phone by the calling-side wireless LAN communication means or the calling-side mobile phone communication means. A cellular phone system characterized in that a voice call or data communication between the caller mobile phone and the callee mobile phone is performed through an IP network by performing a call operation with the callee mobile phone as a callee. In the mobile phone system according to claim 1,
The incoming side control means causes a wireless LAN activation response signal to be transmitted from the incoming side wireless LAN communication means to the outgoing side mobile phone. A caller-side mobile phone communication means connectable to a mobile phone network, a caller-side mobile phone provided with a caller-side wireless LAN communication means and a caller-side control means connectable to an IP network;
A mobile phone system comprising a receiving side mobile phone communication means connectable to a mobile phone network, a receiving side wireless LAN communication means connectable to an IP network, and a receiving side mobile phone provided with a receiving side control means,
The originating side control means causes a wireless LAN activation request signal to be transmitted from the originating side mobile phone communication means to the terminating side mobile phone,
The incoming side control means activates the incoming side wireless LAN communication means when the wireless LAN activation request signal is received by the incoming side mobile telephone communication means from the outgoing side mobile phone, and the incoming side wireless LAN communication When the means is communicable, the incoming side wireless LAN communication means performs the outgoing operation with the outgoing side mobile phone as the outgoing side, and the voice call or data between the incoming side mobile phone and the outgoing side mobile phone A cellular phone system characterized in that communication is performed through an IP network. The mobile phone system according to any one of claims 1 to 3,
When the transmitting side control means causes a wireless LAN activation request signal to be transmitted from the calling side mobile phone communication means to the receiving side mobile phone, the calling side control means also sends the IP address assigned to the calling side mobile phone to the calling side mobile phone. A mobile phone system, wherein a telephone communication means transmits the call to the called mobile phone. The mobile phone system according to any one of claims 1 to 4,
The incoming-side control means determines whether the incoming-end mobile phone is in a moving state when a wireless LAN activation request signal is received by the incoming-end mobile phone communication means from the outgoing-end mobile phone communication means. The incoming-side wireless LAN communication means is activated when the called-side mobile phone is not in a moving state, and the incoming-side wireless LAN communication means is not activated when the called-side mobile phone is in a moving state. A mobile phone system characterized by A mobile phone communication means that can be connected to the mobile phone network and used in the mobile phone system together with other mobile phones configured to be connected to the IP network and connectable to the mobile phone network, and connectable to the IP network A mobile phone comprising wireless LAN communication means,
When a wireless LAN activation request signal is transmitted from the mobile phone communication means to the other mobile phone and a wireless LAN activation response signal is received from the other mobile phone by the wireless LAN communication means or the mobile phone communication means. And a control means for causing the wireless LAN communication means to perform a calling operation with the other mobile phone as a destination, and to perform voice communication and data communication between the own device and the other mobile phone through the IP network. A mobile phone characterized by. A mobile phone communication means that can be connected to the mobile phone network and used in the mobile phone system together with other mobile phones configured to be connected to the IP network and connectable to the mobile phone network, and connectable to the IP network A mobile phone comprising wireless LAN communication means,
When a wireless LAN activation request signal is received by the cellular phone communication means from the other cellular phone, the wireless LAN communication means is activated, and this is indicated when the wireless LAN communication means is communicable. A cellular phone comprising control means for transmitting a wireless LAN activation response signal from the wireless LAN communication means or the cellular phone communication means to the other cellular phone. A mobile phone communication means that can be connected to the mobile phone network and used in the mobile phone system together with other mobile phones configured to be connected to the IP network and connectable to the mobile phone network, and connectable to the IP network A mobile phone comprising wireless LAN communication means,
The wireless LAN communication means is activated when a wireless LAN activation request signal is received by the portable telephone communication means from the other portable telephone, and the wireless LAN communication means can communicate with the wireless LAN communication means. A mobile device characterized by comprising a control means for causing a voice call and data communication between the own device and the other mobile phone to be performed through an IP network by causing the device to perform a calling operation with the other mobile phone as a destination. Phone.

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