JP2010278769A - Communication system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication system for performing extension number notification and transmission with one operation. <P>SOLUTION: The communication system 1 converts a transmission ID from a cellular phone 10 into an extension number of the cellular phone 10 and converts an incoming call ID into a telephone number of a radio module group 201 allocated by a line allocating part 105 when the cellular phone 10 performs transmission to a private telephone 20. Then, the extension number of the cellular phone 10 is notified to the receiving private telephone 20 when a communication part 41 in a cellular phone network 40 performs transmission to the radio module group 201 of a portable dedicated line GW50 side by using the converted number. Since the communication system 1 stores the extension number of the private telephone 20 in an incoming call sub ID during number conversion, the input of the extension number is eliminated after being connected to the radio module group 201 of the portable dedicated line GW50 side to be able to perform transmission with one operation. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a communication system including a fixed telephone and a mobile phone connected to a private branch exchange.

  2. Description of the Related Art Conventionally, there is a technology that realizes a service that directly acquires a private branch exchange (hereinafter referred to as PBX) on a mobile phone network. For example, Patent Document 1 discloses a technique that enables a mobile phone to be connected to the dedicated line side of a PBX to make an external line transmission. As another conventional technique, there is a technique in which a private telephone is connected to the PBX, a mobile phone is directly received by the PBX, and an external mobile phone can be connected to an analog port of the PBX.

JP 2006-352739 A

  However, in the above-described prior art, the calling number is not notified when a call is made from a mobile phone to a private phone, and the number of the mobile phone directly collected by the PBX when a call is made from the private phone to the portable phone. Is displayed. Therefore, even if an extension number is assigned to each of the private telephone and the external mobile phone, there is a problem that the other party cannot be notified of the number when making a call. Moreover, since it is necessary to input the extension number of the other party after connecting with the mobile phone number directly collected by the PBX at the time of the call operation, there is also a problem that the call cannot be made with one operation.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide a communication system that enables notification of an extension number and transmission with one operation.

  In order to solve the above-described problems, a communication system according to the present invention includes a mobile phone assigned an extension number and a private telephone connected to the PBX via a mobile phone network and a mobile direct acquisition GW connected to the PBX. The mobile direct-access GW includes a plurality of wireless module groups each assigned a telephone number, and the communication means in the mobile phone network transmits from the mobile phone to the local phone. A line allocating means for allocating a free line from a plurality of wireless module groups, a radio module in which a call ID from a mobile phone is converted into an extension number of the mobile phone and an incoming call ID is allocated by the line allocating means And a telephone number conversion means for storing the extension number of the private telephone in the incoming call sub-ID.

  In this communication system, when a call is made from a mobile phone to a private phone, the call ID from the mobile phone is converted into an extension number of the mobile phone, and the incoming call ID is assigned to the wireless module assigned by the line assignment means. Convert to phone number. Therefore, the communication means in the mobile telephone network uses the converted number to make a call to the wireless module group on the mobile direct acquisition GW side, so that the extension telephone number can be notified to the incoming private telephone. Also, in this communication system, the extension number of the private telephone is stored in the incoming call sub-ID at the time of number conversion, so that the input of the extension number after connecting to the wireless module group on the mobile direct acquisition GW side is omitted, and one operation is performed. It is possible to make outgoing calls.

  The mobile direct-collection GW includes a line allocating unit that allocates an empty line from a plurality of wireless module groups and a line allocating unit that assigns a call ID from the local telephone when a call is made from the local phone to the mobile phone. And a number conversion means for storing the extension number of the local telephone in the outgoing sub-ID, and the number conversion means on the mobile phone network side transmits the outgoing call from the wireless module group. It is preferable to convert the ID into the extension number of the local phone and convert the incoming call ID into the phone number of the mobile phone. In this case, by using the converted number, the wireless module group on the mobile direct acquisition GW side makes a call to the communication means in the mobile phone network, so that the extension number of the private telephone can be notified to the incoming mobile phone.

  Moreover, it is preferable that the wireless module group includes a plurality of mobile phones belonging to the mobile phone network. In this case, the availability of the wireless module group can be easily grasped on the mobile phone network side. In addition, it is possible to easily increase the number of lines.

  Moreover, it is preferable that the communication means in the mobile phone network includes line information storage means for receiving and storing line information indicating whether the local telephone is busy or not from the mobile direct collection GW. In this case, it is possible to prevent unnecessary transmission from the communication means of the mobile phone network to the wireless module of the mobile direct acquisition GW.

  Further, the mobile direct acquisition GW preferably includes line information storage means for receiving and storing line information indicating whether or not the mobile phone is in a call from a communication means in the mobile phone network. In this case, it is possible to prevent unnecessary transmission from the wireless module of the portable direct-acquisition GW to the communication means of the mobile phone network.

  According to the communication system according to the present invention, it is possible to notify an extension number and to make a call with one operation.

It is a figure which shows one Embodiment of the communication system which concerns on this invention. It is a figure which shows an example of the information contained in a number conversion database. It is a sequence diagram which shows operation | movement of the communication system at the time of making a transmission from a mobile telephone to a local telephone. It is a figure which shows an example of the number conversion in the operation | movement of FIG. It is a sequence diagram which shows operation | movement of the communication system at the time of making a transmission from a local telephone to a mobile telephone. It is a figure which shows an example of the number conversion in the operation | movement of FIG.

  Hereinafter, preferred embodiments of a communication system according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram showing an embodiment of a communication system according to the present invention. As shown in the figure, the communication system 1 includes a mobile phone 10 to which an extension number is assigned and a private telephone 20 connected to the PBX 30 via a mobile phone network 40 and a mobile direct collection GW 50 connected to the PBX 30. It is configured by being connected. Hereinafter, each component will be described.

  The cellular phone 10 is physically a mobile device having a CPU (Central Processing Unit), a storage device such as a memory, an input device such as a push button, a display device such as a display, and the like. In addition to the call function, the mobile phone 10 has various data communication functions including a function for browsing by connecting to a WEB page and an e-mail transmission function.

  The mobile phone 10 is assigned an extension number used for a call with the private telephone 20 in addition to a normal telephone number. When making a call, the mobile phone 10 stores the telephone number of its own terminal in the call ID, and stores the extension number of the private telephone 20 as the call destination in the call ID, and sends the call ID and call ID via the base station. Is transmitted to the mobile phone network 40.

  The private telephone 20 is physically a fixed machine having a CPU (Central Processing Unit), a storage device such as a memory, an input device such as a push button, a display device such as a display, and the like. An extension number different from that of the mobile phone 10 is assigned to the private telephone 20. When making a call, the private telephone 20 stores the extension number of its own terminal in the outgoing call ID, stores the extension number of the private telephone 20 that is the callee in the incoming call ID, and sends the outgoing call ID and incoming call ID via the PBX 30. Transmit to the mobile phone network 40. The PBX 30 is a device that connects the local telephone 20 to the mobile phone network 40. In the present embodiment, the private telephone 20 and the mobile direct acquisition GW 50 are connected to the PBX 30.

  The mobile phone network 40 is a network that includes a plurality of base stations (not shown) and enables data communication by the mobile phone 10. In addition to the exchange 101, the communication unit 41 on the mobile phone network 40 side includes, as functional components, a number conversion database 102, an authentication unit 103, a line state confirmation unit 104, a line allocation unit 105, and number conversion. Part 106 is provided.

  The number conversion database 102 is a part that stores number conversion data when the mobile phone 10 and the private telephone 20 are connected. FIG. 2 is a diagram illustrating an example of information stored in the number conversion database 102. In the example of FIG. 2, for each group number, a list of telephone numbers of the wireless module group 201 mounted on the portable direct acquisition GW 50, line information indicating whether the wireless module group 201 is in a call, and a premises in a call The extension number of the telephone 20 is associated.

  In addition, the number conversion database 102 is associated with the telephone number and extension number of the mobile phone 10 directly collected by the mobile direct collection GW 50 and line information indicating whether the mobile phone 10 is busy. Each information in the number conversion database 102 is constantly updated by wireless packet communication with, for example, a number conversion database 102 (described later) provided in the portable direct acquisition GW 50.

  The authentication unit 103 is a part that receives a call ID when a call is sent from the mobile phone 10. The authentication unit 103 refers to the number conversion database 102 based on the received transmission ID, and identifies the number conversion group, that is, the mobile direct collection GW 50 that is the connection destination. The authentication unit 103 outputs, to the line state confirmation unit 104, request information for requesting execution of line state confirmation, including information indicating the specified mobile direct collection GW 50, the transmission ID and the incoming call ID.

  The line status confirmation unit 104 is a part that confirms whether or not the private telephone 20 is busy on the basis of the line information stored in the number conversion database 102. When the line state confirmation unit 104 receives the request information from the authentication unit 103, the line state confirmation unit 104 specifies the local telephone 20 to be connected based on the incoming call ID, and determines whether the local telephone 20 is busy. If the line status confirmation unit 104 determines that the local telephone 20 is not in a call, the line state confirmation unit 104 outputs request information for requesting allocation of a free line to the line allocation unit 105 together with the transmission ID and the incoming call ID. On the other hand, the line state confirmation unit 104 transmits a BT (busy tone) signal to the mobile phone 10 when it is determined that the local telephone 20 is busy.

  The line allocating unit 105 is a part that allocates an empty line from among a plurality of wireless module groups 201 each assigned a telephone number. When the line allocation unit 105 receives the request information from the line state confirmation unit 104, the line allocation unit 105 refers to the number conversion database 102 and determines which module is a free line from the wireless module group 201 of the portable direct acquisition GW 50. . The line assignment unit 105, after executing the line assignment, outputs request information for requesting number conversion to the number conversion unit 106 together with the transmission ID and the incoming call ID.

  The number conversion unit 106 is a part that performs number conversion of the outgoing ID and incoming call ID. More specifically, the number conversion unit 106 converts the call ID from the mobile phone 10 to the extension number of the mobile phone 10 and receives an incoming call when a call is made from the mobile phone 10 to the local phone 20. The ID is converted into the telephone number of the wireless module group 201 assigned by the line assignment unit 105. In addition, the number conversion unit 106 stores the extension number of the local telephone 20 in the incoming call sub ID. The number conversion unit 106 outputs request information for requesting transmission to the exchange 101 together with the converted transmission ID, incoming call ID, and incoming call sub ID. The number conversion unit 106 stores the telephone number of the mobile phone in the incoming call ID when the incoming call ID is not the private telephone 20 but another mobile phone, and the wireless module assigned by the line assignment unit 105 Cancel the phone number of group 201.

  Further, when a call is made from the local phone 20 to the mobile phone 10, the number conversion unit 106 converts the call ID from the wireless module group 201 into the extension number of the local phone 20 stored in the call sub ID. And the incoming call ID is converted into the telephone number of the mobile phone 10. The number conversion unit 106 outputs request information for requesting transmission to the exchange 101 together with the converted transmission ID, incoming call ID, and incoming call sub ID.

  Next, the portable direct collection GW 50 will be described. The mobile direct acquisition GW 50 includes, as functional components, a wireless module group 201, a number conversion database 202, a protocol conversion unit 203, a line state confirmation unit 204, a line allocation unit 205, and a number conversion unit 206. I have.

  The wireless module group 201 is a part that communicates with the exchange 101 of the mobile phone network 40. The wireless module group 201 is configured by a plurality of mobile phones belonging to the mobile phone network 40, for example. Therefore, the line information of the wireless module group 201 is grasped by a server (not shown) of a communication carrier that manages the mobile phone network 40, and this line information is distributed to the number conversion databases 102 and 202, respectively.

  The number conversion database 202 is a part that stores number conversion data when the mobile phone 10 and the private telephone 20 are connected. The information stored in the number conversion database 202 is, for example, the same as the number conversion database 102 on the mobile phone network 40 side, and informs each other by wireless packet communication with the number conversion database 102. Is synchronized.

  The protocol conversion unit 203 is a part that performs protocol conversion of communication data exchanged between the mobile phone 10 and the private telephone 20. The protocol conversion unit 203 converts communication data transmitted from the mobile phone 10 to the private phone 20 from 3GPP to an interface connectable to the PBX 30 such as PRI / BRI and transmits the converted data to the PBX 30. Further, the protocol conversion unit 203 converts communication data transmitted from the local telephone 20 toward the mobile phone 10 from PRI to 3GPP and transmits the converted data to the wireless module group 201. At this time, the protocol conversion unit 203 transmits request information for requesting confirmation of the line state to the line state confirmation unit 204.

  The line state confirmation unit 204 is a part that confirms whether or not the mobile phone 10 is busy on the basis of line information stored in the number conversion database 202. When the line state confirmation unit 204 receives the request information from the protocol conversion unit 203, the line state confirmation unit 204 identifies the connection destination mobile phone 10 based on the incoming call ID, and determines whether the mobile phone 10 is in a call. If the line status confirmation unit 204 determines that the mobile phone 10 is not in a call, the line state confirmation unit 204 outputs request information for requesting allocation of a free line to the line allocation unit 205 together with the transmission ID and the incoming call ID. On the other hand, the line state confirmation unit 204 transmits a BT (busy tone) signal to the private telephone 20 when it is determined that the mobile phone 10 is busy.

  The line allocating unit 205 is a part that allocates a free line from among a plurality of wireless module groups 201 each assigned a telephone number. When the line allocation unit 205 receives the request information from the line state confirmation unit 204, the line allocation unit 205 refers to the number conversion database 202 and determines which module is a free line from the wireless module group 201 of the mobile direct acquisition GW 50. . The line assignment unit 205 outputs request information for requesting number conversion to the number conversion unit 206 together with the transmission ID and the incoming call ID after executing the line assignment.

  The number conversion unit 206 is a part that performs number conversion of the outgoing ID and incoming call ID. More specifically, the number conversion unit 206 converts the extension number of the private telephone 20 stored in the incoming call sub ID into the incoming call ID when a call is made from the mobile phone 10 to the private telephone 20. . In addition, when a call is made from the local telephone 20 to the mobile phone 10, the number conversion unit 206 converts the call ID into the telephone number of the wireless module group 201 assigned by the line assignment unit 205 and sends the call. The extension number of the local telephone 20 is stored in the sub ID. Then, the number conversion unit 206 outputs request information for requesting transmission to the wireless module group 201 together with the converted transmission ID, incoming call ID, and incoming call sub ID.

  Next, the operation of the communication system 1 described above will be described.

  FIG. 3 is a sequence diagram showing the operation of the communication system 1 when making a call from the mobile phone 10 to the local phone 20. When a call is made from the mobile phone 10 to the local phone 20 by a predetermined operation by the user, the call ID and the incoming call ID are transmitted from the mobile phone 10 to the authentication unit 103 of the mobile phone network 40 (step S01). At this time, as shown in FIG. 4A, for example, the telephone number “090-1111-2222” of the mobile phone 10 is stored in the outgoing ID, and the extension number “7777” of the private telephone 20 is stored in the incoming ID. Is stored.

  When the transmission ID and the incoming ID are transmitted, the authentication unit 103 performs a number conversion group specifying process, and specifies the mobile direct collection GW 50 that is the connection destination (step S02). Next, a request for confirmation of the line state is made from the authentication unit 103 to the line state confirmation unit 104 (step S03), and the line state confirmation unit 104 confirms whether the local telephone 20 is busy (step S03). S04). When the local telephone 20 is busy, a BT signal is transmitted to the mobile phone 10.

  If the private telephone 20 is not busy, a line allocation request is made from the line status confirmation unit 104 to the line allocation unit 105 (step S05), and the line allocation unit 105 uses the wireless module group 201 of the portable direct-acquisition GW 50. Line assignment processing is executed (step S06). Next, a number conversion request is made from the line allocation unit 105 to the number conversion unit 106 (step S07), and the number conversion process is performed in the number conversion unit 106 (step S08).

  In this number conversion process, for example, as shown in FIG. 4B, the outgoing ID “090-1111-2222” from the mobile phone 10 is converted to the extension number “5555” of the mobile phone 10 and the incoming call ID “7777”. Is converted to the telephone number “090-9000-0001” of the wireless module group 201 assigned by the line assignment unit 105. Further, the extension number “7777” of the local telephone 20 is stored in the incoming call sub ID.

  After the number conversion, the number conversion unit 106 makes a call request to the exchange 101 (step S09), and the exchange 101 sends a call to the mobile direct collection GW 50 using the converted number (step S10). In the portable direct acquisition GW 50 that has received the transmission from the exchange 101, a number conversion request is made from the wireless module group 201 to the number conversion unit 206 (step S11), and the number conversion processing is performed in the number conversion unit 206 (step S12).

  In this number conversion process, for example, as shown in FIG. 4C, the incoming call ID “090-9000-0001” is converted to the extension number “7777” of the private telephone 20 stored in the incoming call sub ID. After the number conversion, the transmission ID and the incoming ID are transmitted from the number conversion unit 106 to the protocol conversion unit 203 (step S13), and the protocol conversion processing from 3GPP to PRI is performed in the protocol conversion unit 203 (step S14).

  After the protocol conversion, the transmission ID and the incoming call ID are transmitted from the protocol conversion unit 203 to the PBX 30 (step S15), and transmitted from the PBX 30 to the private telephone 20 (step S16). As a result, the private telephone 20 receives the call and the private telephone 20 displays the extension number of the mobile phone 10 (step S17).

  FIG. 5 is a sequence diagram showing the operation of the communication system when making a call from the local phone to the mobile phone. When a call is made from the local telephone 20 to the local telephone 20 by a predetermined operation by the user, the transmission ID and the incoming call ID are transmitted from the local telephone 20 to the PBX 30 (step S21). At this time, for example, as shown in FIG. 6A, the telephone number “7777” of the local telephone 20 is stored in the outgoing ID, and the extension number “5555” of the mobile phone 10 is stored in the incoming ID. Yes.

  Next, the transmission ID and the incoming call ID are transmitted from the PBX 30 to the protocol conversion unit 203 of the portable direct acquisition GW 50 (step S22). The protocol conversion unit 203 performs a protocol conversion process from PRI to 3GPP (step S23). After the protocol conversion, a request for confirmation of the line state is made from the protocol conversion unit 203 to the line state confirmation unit 204 (step S24), and the line state confirmation unit 204 confirms whether the mobile phone 10 is busy. (Step S25). When the mobile phone 10 is busy, a BT signal is transmitted to the local phone 20.

  If the mobile phone 10 is not busy, the line status confirmation unit 204 requests the line allocation unit 205 to allocate a free line (step S26), and the line allocation unit 205 uses a free module from the wireless module group 201 of the mobile direct acquisition GW 50. Line assignment processing is executed (step S27). Next, a number conversion request is made from the line allocation unit 205 to the number conversion unit 206 (step S28), and the number conversion processing is performed in the number conversion unit 206 (step S29).

  In this number conversion process, for example, as shown in FIG. 6B, the telephone number “090-9000-0001” of the wireless module group 201 to which the transmission ID “7777” from the private telephone 20 is assigned by the line allocating unit 105. The extension number “7777” of the local telephone 20 is stored in the outgoing sub ID.

  After the number conversion, a transmission request is made from the number conversion unit 206 to the wireless module group 201 (step S30), and a transmission is performed from the wireless module group 201 to the exchange 101 of the mobile phone network 40 by the converted number (step S31). . In the mobile phone network 40 that has received a call from the wireless module group 201, the exchange 101 issues a number conversion request to the number conversion unit 106 (step S32), and the number conversion unit 106 performs number conversion processing (step S33).

  In this number conversion process, for example, as shown in FIG. 6C, the call ID “090-9000-0001” from the wireless module group 201 is converted to the extension number “7777” of the private telephone 20, and the incoming call ID “5555” is converted into the telephone number “090-1111-2222” of the mobile phone 10 stored in the transmission sub ID.

  After the number conversion, the transmission ID and the incoming ID are transmitted from the number conversion unit 106 to the exchange 101 (step S34), and transmitted from the exchange 101 to the mobile phone 10 (step S35). Thereby, the mobile phone 10 receives an incoming call, and the extension number of the private telephone 20 is displayed on the mobile phone 10 (step S36).

  As described above, in the communication system 1, when a call is made from the mobile phone 10 to the local phone 20, the call ID from the mobile phone 10 is converted into the extension number of the mobile phone 10, and the incoming call ID is changed. The telephone number of the wireless module group 201 assigned by the line assignment unit 105 is converted. Accordingly, the communication unit 41 in the mobile phone network 40 uses the converted number to make a call to the wireless module group 201 on the mobile direct acquisition GW 50 side, thereby notifying the incoming private phone 20 of the extension number of the mobile phone 10. it can. In addition, in this communication system 1, the extension number of the local telephone 20 is stored in the incoming sub-ID when the number is converted, so that the input of the extension number after connecting to the wireless module group 201 on the mobile direct acquisition GW 50 side is omitted. The transmission by one operation becomes possible.

  Further, in the communication system 1, when a call is made from the local phone 20 to the mobile phone 10, the call ID from the local phone 20 is converted into the telephone number of the wireless module group 201 assigned by the line assignment unit 205. At the same time, the extension number of the local telephone 20 is stored in the calling sub ID. As a result, the number conversion unit 106 on the mobile phone network 40 side converts the outgoing ID from the wireless module group 201 into the extension number of the local telephone 20 and also converts the incoming ID into the telephone number of the mobile phone 10. The extension number of the private telephone 20 can be notified to the mobile phone 10 that has received the call.

  In the communication system 1, the wireless module group 201 of the mobile direct acquisition GW 50 is configured by a plurality of mobile phones 10 belonging to the mobile phone network 40. Thereby, the availability of the wireless module group 201 can be easily grasped on the mobile phone network 40 side. In addition, it is possible to easily increase the number of lines.

  Further, in the communication system 1, line information indicating whether the local telephone 20 is busy or not and line information indicating whether the mobile phone 10 is busy are stored in the number conversion databases 102 and 202, respectively. Such information is constantly updated by wireless packet communication. If the connection destination is busy when a call is made from the mobile phone 10 or the local phone 20, a BT signal is returned without communication between the mobile phone network 40 and the mobile direct collection GW 50. . Thereby, it is possible to prevent useless transmission between the mobile phone network 40 and the mobile direct collection GW 50, and it is possible to reduce the radio band and the power cost.

DESCRIPTION OF SYMBOLS 1 ... Communication system, 10 ... Mobile phone, 20 ... Private telephone, 30 ... PBX, 40 ... Mobile phone network, 41 ... Communication part, 50 ... Mobile direct receipt GW, 102 ... Number conversion database, 104 ... Line state confirmation part, 105 ... Line allocation unit, 106 ... Number conversion unit, 201 ... Wireless module group, 202 ... Number conversion database, 204 ... Line state confirmation unit, 205 ... Line allocation unit, 206 ... Number conversion unit.

Claims (5)

A communication system for connecting a mobile phone to which an extension number is assigned and a private phone connected to a PBX via a mobile phone network and a mobile direct collection GW connected to the PBX,
The mobile direct acquisition GW includes a plurality of wireless module groups each assigned a telephone number,
The communication means in the mobile phone network is
Line allocating means for allocating a free line from the plurality of wireless module groups when a call is made from the mobile phone to the local phone;
The call ID from the mobile phone is converted into the extension number of the mobile phone, the incoming call ID is converted into the telephone number of the wireless module assigned by the line assigning means, and the extension number of the local phone is set as the incoming sub ID. A communication system comprising: a number conversion means for storing. The mobile direct GW is
Line allocating means for allocating a free line from the plurality of wireless module groups when a call is made from the local telephone to the mobile phone;
The telephone ID of the local telephone is converted into the telephone number of the wireless module assigned by the line allocating means, and the number converting means for storing the extension number of the private telephone in the calling sub ID,
2. The number conversion means on the mobile phone network side converts a call ID from the wireless module into an extension number of the private telephone and converts an incoming call ID into a phone number of the mobile phone. The communication system described.   The communication system according to claim 1 or 2, wherein the wireless module group includes a plurality of mobile phones belonging to the mobile phone network.   The communication means in the mobile phone network includes line information storage means for receiving and storing line information indicating whether the local telephone is busy or not from the mobile direct collection GW. The communication system according to any one of claims 1 to 3.   The mobile direct GW includes line information storage means for receiving and storing line information indicating whether or not the mobile phone is in a call from a communication means in the mobile phone network. The communication system according to any one of claims 1 to 4.

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