JP2015026930A - Telephone number use determination device, telephone number use determination device operation method, and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the occurrence probability of a call inconvenient to the user of a telephone number and an accounting probability on a telephone number use determination device in determining whether the telephone number is being used or not.SOLUTION: A telephone number use determination device includes: a request signal transmission unit 12 for transmitting a request signal with the telephone number being a determination object as a telephone number; and a telephone number use determination unit 14 for determining that the telephone number being the determination object is being used when a fallback request signal is received.

Description

  The present invention relates to a telephone number usage determination device, a method of operating a telephone number usage determination device, and a computer program.

  In the telephone number list used for telemarketing or the like, there are cases where unused telephone numbers are included due to reasons such as a resident's move or removal of a telephone terminal. If such a telephone number list is used, useless calls increase and work efficiency deteriorates. For this reason, it is periodically checked whether or not a telephone number is used, and an operation of deleting an unused telephone number from the telephone number list is performed. This is called telephone number cleaning.

  In the telephone number cleaning, a terminal such as a computer (hereinafter referred to as a telephone number use determination device) transmits, for example, a request signal addressed to each telephone number of the telephone number band to be determined, and is used by the response signal. The presence or absence is determined (Non-Patent Document 1).

  FIGS. 6A and 6B are sequences when the telephone number use determination device 1A transmits request signals destined for the telephone numbers “2222” and “3333” to the SIP server 3, respectively.

  As shown in FIG. 6A, if the telephone number “2222” is used in the terminal 8, the telephone number use determination apparatus 1A receives, for example, a response signal (180 Ringing). Thus, for example, if a response signal (180 Ringing) is received, it can be determined that the telephone number “2222” is being used.

  After the determination, the telephone number use determination apparatus 1A transmits a signal (CANCEL) to end the process for the telephone number “2222”. Since the signal (200 OK) is generated when the terminal 8 is off-hooked, it may be determined that the telephone number is being used.

  On the other hand, as shown in FIG. 6B, if the telephone number “3333” is not used, the telephone number use determination apparatus 1A receives, for example, a response signal (404 Not Found). Therefore, for example, if a response signal (404 Not Found) is received, it can be determined that the telephone number “3333” is not used.

Yoshiro Shimada, Comparative Study of RDD Sampling Methods, Journal of Japan Public Opinion Research Association (93), 45-55, TTC standard Q.3402 NGN UNI signaling profile protocol set 1

  However, since the response signal (180 Ringing) used for determination is generated when a terminal using the telephone number to be determined is called, for example, the terminal rings.

  In addition, when a signal (CANCEL) is transmitted immediately, the ringing ends in a short time, and the user feels a so-called unpleasant “one cut”.

  Further, when the determination is made with the signal (200 OK), the terminal is disconnected immediately after the determination, so that the user of the terminal feels a so-called unpleasant “silent call”. In this case, since a session is established, a communication fee is charged to the telephone number use determination apparatus side.

  As described above, the conventional telephone number use determining device is troublesome for the user of the telephone number and has a problem that the person who performs the telephone number cleaning is charged.

  The present invention has been made in view of the above problems, and the purpose of the present invention is to generate a call that is annoying to the user of the telephone number in order to determine whether or not the telephone number is being used. The object is to reduce the probability and the billing probability to the telephone number use determination device.

  In order to solve the above-described problem, the first aspect of the present invention is a telephone number use determination device for determining whether or not a telephone number is used, and a request signal having a telephone number as a destination from a terminal on the transmission side Is sent to the specified server, the destination telephone number is used by the terminal on the called side, but if the terminal does not correspond to the request signal, the server requests another request signal to be sent. When a response signal to be transmitted is transmitted to the calling terminal, a request signal transmission unit that transmits a request signal destined for the telephone number to be determined to the server, and a determination if the response signal is received from the server And a telephone number use determining unit that determines that the target telephone number is being used.

  The second aspect of the present invention is an operation method of a telephone number use determination apparatus for determining whether or not a telephone number is used, wherein the telephone number use determination apparatus has a telephone number as a destination from a terminal on the calling side. When the request signal is transmitted to a predetermined server, the destination telephone number is used by the terminal on the receiving side, but if the terminal does not correspond to the request contents of the request signal, another request signal is transmitted from the server. When a response signal requesting the transmission is transmitted to the calling terminal, a request signal destined for the determination target telephone number is transmitted to the server, and the telephone number use determination device responds from the server. And a step of determining that the determination target telephone number is being used when a signal is received.

  According to the present invention, when determining whether or not a telephone number is used, it is possible to reduce the occurrence probability of a call that is annoying to the user of the telephone number and the charging probability to the telephone number usage determination device.

It is a figure which shows an example of the utilization form of the telephone number usage determination apparatus which concerns on this Embodiment. It is a figure which shows the sequence at the time of transmitting a request signal from the terminal 2. It is a functional block diagram which shows schematic structure of a telephone number usage determination apparatus. It is a figure which shows an example of the fallback rule memory | storage part 11. FIG. It is a figure which shows the sequence for demonstrating operation | movement of the telephone number usage determination apparatus. It is a figure which shows the sequence for demonstrating operation | movement of the conventional telephone number use determination apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  In FIG. 1, a telephone number usage determination device 1 according to the present embodiment determines whether a telephone number is used, and is accommodated in a SIP server 3 together with a plurality of terminals 2.

  As shown in FIG. 2, for example, a certain terminal 2 is a caller and requests a SIP request to the SIP server 3, for example, a terminal 8 having a telephone number “2222”. Then, a request signal (INVITE 2222 (IPv6)) indicating that IPv6 media communication is desired is transmitted (S1). IPv6 is described in a session description part of SDP (Session Description Protocol).

  The SIP server 3 transmits a similar request signal (INVITE 2222 (IPv6)) to the terminal 8 (S3).

  If the terminal 8 does not correspond to the request signal request content, that is, if media communication cannot be performed using IPv6, the terminal 8 requests a response signal (hereinafter referred to as a fallback request signal) for requesting transmission (fallback) of another request signal, for example, a response. (For example, response code: 488, warn-code: 300) is transmitted to the SIP server 3 (S5).

 When receiving the fallback request signal, the SIP server 3 transmits a similar fallback request signal to the terminal 2 (S7). That is, the SIP server 3 transmits a fallback request signal to the terminal 2 if the destination telephone number “2222” is used for the terminal 8 on the receiving side but the terminal does not correspond to the request content of the request signal. (S7).

  For example, when the terminal 2 receives this response (fallback request signal), the request signal different from the request signal described above (for example, the IP version described in the session description part of the SDP) is changed for the SIP server 3. Or the media type described in the media description part of the SDP) is transmitted (S11: Fallback). For example, the terminal 2 transmits (falls back) a request signal (INVITE 2222 (IPv4)) indicating that it is desired to perform media communication using IPv4 with the terminal having the telephone number “2222” (S11).

  The SIP server 3 transmits a similar request signal (INVITE 2222 (IPv6)) to the terminal 8 (S13).

  If the terminal 8 corresponds to the request content of the request signal, that is, if it can perform media communication by IPv4, then media communication by IPv4 is performed between the terminal 2 and the terminal 8 (S20).

  Note that other signals (signal (100 Trying), etc.) are naturally generated based on the protocol (rules), and thus description thereof is omitted.

  As shown in FIG. 3, the telephone number usage determination device 1 includes a fallback rule storage unit 11, a request signal transmission unit 12, a packet information acquisition unit 13, and a telephone number usage determination unit 14.

  As shown in FIG. 4, the fallback rule storage unit 11 stores in advance the response code included in the fallback request signal and the warn-code set in the Warning header.

  The fallback rule storage unit 11 stores, for example, 488 as a response code and 300 or 300 as a warn-code.

  Note that the fallback rule storage unit 11 may store a set of another response code (for example, 488) and warn-code (for example, 304), or a set of response code and warn-code. A plurality may be stored.

  Returning to FIG. 3, the request signal transmission unit 12 transmits, for example, a request signal destined for the telephone number to be determined described in the telephone number list to the SIP server 3.

  The packet information acquisition unit 13 acquires a packet of a signal received from the SIP server 3, and extracts a response code and a warn-code from the packet.

  The telephone number use determination unit 14 refers to the fallback rule storage unit 11 based on the response code and the like, determines that the telephone number is used if the packet is a fallback request signal, and if not, the telephone number is Determine that it is not being used.

  The telephone number use determination unit 14 determines that the telephone number is in use when a response signal (180 Ringing) or a signal (200 OK) is received, for example.

  On the other hand, if the telephone number use determination unit 14 receives, for example, a response signal (404 Not Found), it determines that the telephone number is not used.

  As shown in FIG. 5A, the request signal transmission unit 12 of the telephone number use determination apparatus 1 sends a request signal addressed to the determination target telephone number to the SIP server 3, for example, the telephone number “2222”. A request signal (INVITE 2222 (IPv6)) indicating that IPv6 media communication is to be performed with the terminal 8 is transmitted (S101). IPv6 is described in a session description part of SDP (session initiation protocol). The telephone number is acquired from a telephone number list or the like.

  IPv6 is used instead of IPv4 because the latter is less frequently used and the probability that a fallback request signal is transmitted is high.

  The SIP server 3 transmits a similar request signal (INVITE 2222 (IPv6)) to the terminal 8 (S103).

  If the terminal 8 does not correspond to the request signal request content, that is, if media communication cannot be performed using IPv6, the terminal 8 transmits a fallback request signal, for example, a response (for example, response code: 488, warn-code: 300) to the SIP server 3. (S105).

  Similarly, the SIP server 3 transmits a fallback request signal, for example, a response (for example, response code: 488, warn-code: 300) to the telephone number use determination apparatus 1 (S106).

  In the telephone number usage determination apparatus 1, the packet information acquisition unit 13 extracts the response code: 488 and warn-code: 300 from the response packet (S107).

  Next, the telephone number use determination unit 14 refers to the fallback rule storage unit 11 based on the response code and warn-code, and in this case, determines that the packet is a fallback request signal. That is, the telephone number use determination unit 14 determines that the telephone number “2222” is being used (S107).

  Since the telephone number use determination device 1 has completed the determination for the telephone number “2222”, the request signal transmission unit 12 does not perform the fallback, and the SIP signal is sent to the SIP server 3 as the destination of the next determination target telephone number. For example, a request signal (INVITE 2223 (IPv6)) indicating that IPv6 media communication is to be performed with the terminal 9 having the telephone number “2223” is transmitted (S111).

  The SIP server 3 transmits a similar request signal (INVITE 2223 (IPv6)) to the terminal 9 (S113).

  The terminal 9 responds to the request content of the request signal, that is, because media communication is possible with IPv6, a response signal (180 Ringing) is transmitted to the SIP server 3 (S115).

  Similarly, the SIP server 3 transmits a response signal (180 Ringing) to the telephone number use determination apparatus 1 (S117).

  For example, if the telephone number use determination unit 14 receives a response signal (180 Ringing), it determines that the telephone number “2223” is being used.

  When the telephone number use determination device 1 receives the response signal (180 Ringing), it transmits a signal (CANCEL) to the SIP server 3.

  Thereafter, since the telephone number usage determination device 1 receives the signal (200 OK), the telephone number usage determination unit 14 determines that the telephone number “2223” is in use if the signal (200 OK) is received. May be.

  On the other hand, as shown in FIG. 5B, for another telephone number “3333”, for example, if the telephone number is not used, the SIP server 3 calls a response signal (404 Not Found), for example. It transmits to the number use determination apparatus 1 (S108).

  For example, if the telephone number use determination unit 14 receives a response signal (404 Not Found), it determines that the telephone number “3333” is not used (S109).

  Note that other signals (signal (100 Trying), etc.) are naturally generated based on the protocol (rules), and thus description thereof is omitted.

  As described above, according to the telephone number use determination apparatus of the present embodiment, when a request signal whose destination is a telephone number is transmitted from the terminal 2 on the transmission side to a predetermined server (SIP server 3), The telephone number is used for the terminal on the receiving side, but if the terminal does not correspond to the request contents of the request signal, a response signal (fallback request signal) requesting transmission of another request signal from the server is transmitted. Request signal transmission unit 12 that transmits a request signal addressed to the telephone number of the determination target to the server and a response signal (fallback request signal) from the server A telephone number use determination unit 14 that determines that the telephone number is used, it is determined whether or not the telephone number is used. Tsu can be determined on the basis of the click request signal, the call fallback request signal phone number of still determination target at the time of transmission of not performed, nor is also established yet session. Therefore, it is only necessary to transmit a request signal such that the fallback request signal is transmitted with a high probability, and as a result, the occurrence probability of a call that is annoying to the user of the telephone number and the charging probability to the telephone number use determination device Less.

  In order to enhance this effect, it is necessary to transmit the fallback request signal with a high probability, and it is preferable that the request signal includes a request content that is difficult to respond to the request. In this embodiment, in order to do so, an example of requesting media communication in IPv6 that is not frequently used is shown by a request signal. However, media communication in a media type that is not frequently used may be requested.

  The computer program for causing the computer to function as the telephone number use determination terminal of this embodiment can be recorded on a computer-readable recording medium such as a semiconductor memory, a magnetic disk, an optical disk, a magneto-optical disk, or a magnetic tape. It can be widely distributed by being transmitted through a communication network such as the Internet.

DESCRIPTION OF SYMBOLS 1 ... Telephone number use determination apparatus 2, 8, 9 ... Terminal 3 ... SIP server 11 ... Fallback rule memory | storage part 12 ... Request signal transmission part 13 ... Packet information acquisition part 14 ... Telephone number use determination part

Claims (3)

A telephone number usage determination device that determines whether a telephone number is used,
When a request signal destined for the telephone number is sent from the calling terminal to the specified server, the destination telephone number is used for the receiving terminal, but the terminal responds to the request signal request content. If not, when a response signal requesting transmission of another request signal from the server is transmitted to the terminal on the transmission side, a request signal transmission unit that transmits a request signal destined for the determination target telephone number to the server When,
A telephone number usage determining device, comprising: a telephone number usage determining unit that determines that the telephone number to be determined is used when a response signal is received from the server. An operation method of a telephone number use determination apparatus for determining whether or not a telephone number is used,
When the telephone number use determination device transmits a request signal destined for the telephone number from the originating terminal to a predetermined server, the destination telephone number is used for the terminating terminal, but the terminal If the request signal does not correspond to the request signal, when the response signal requesting transmission of another request signal is transmitted from the server to the caller terminal, the request signal addressed to the determination target telephone number is transmitted to the server. Sending to
And a step of determining that the telephone number to be determined is being used when the telephone number usage determining apparatus receives a response signal from the server.   A computer program for causing a computer to function as the telephone number use determination device according to claim 1.

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