JP5046007B2 - IP telephone equipment - Google Patents

Description

  The present invention relates to an IP telephone apparatus, and more particularly to an IP telephone apparatus that can reliably forward incoming calls to a nuisance call response server.

  Conventionally, in an ISDN-compatible telephone device, when there is an incoming call during a call, the telephone device generates a busy tone and sends it to the ISDN line to reject the incoming call (see Patent Document 1).

  By the way, among incoming calls, there are annoying incoming calls such as a solicitation talk and a silent call. In many cases, the caller of a nuisance call calls again even if the incoming call is rejected. Responding to such a nuisance call wastes the responder's time and line.

  As a system for dealing with such annoying calls, the telephone number of the caller who has made a nuisance call in the past is stored in the private branch exchange as a nuisance telephone number. A system that is configured to forward an incoming call to a nuisance call response server (a server that acts as a proxy for the nuisance call) when it matches a previously stored nuisance telephone number. Yes (see Patent Document 2).

  However, when the above nuisance call handling system is used as it is for a telephone device that can use only one line such as an ISDN-compatible telephone device, an incoming nuisance call when not in a call can be transferred to the nuisance call response server. If you receive a nuisance call during a call, it will be rejected and you will not be able to forward it.

JP 2002-64846 A JP 2002-354123 A

  The present invention has been made in view of such problems, and an object of the present invention is to make it possible to reliably transfer an incoming call of a nuisance call to a nuisance call response server.

The invention according to claim 1, comprising: means for detecting an incoming call, and means for determining whether said incoming call is unwanted call, when it is determined that the unwanted call by said means, unwanted call response server the incoming and means for relaying transferred to, when a new incoming call is detected during relayed by said means is determined to be unwanted call, change the incoming unwanted call forwarding by means of the relay transferred to the new incoming call an IP telephone apparatus characterized by having means for.
The invention of claim 2 includes means for detecting an incoming call, means for determining whether or not the incoming call is a nuisance call, and when the means determines that the call is a nuisance call, Means for relaying and forwarding, when it is determined that the new incoming call detected during the relay transfer by the means is not a nuisance call, the relay transfer is terminated and a response process for the new incoming call is performed. It is an IP telephone apparatus characterized by having .

(Function)
According to the first aspect of the present invention, when a nuisance call incoming call is newly detected when the incoming call of the nuisance call is relay-transferred to the nuisance call response server using an external line, the incoming call of the previous nuisance call is detected. The relay transfer is terminated, and a new incoming junk call is relayed .
According to the invention of claim 2, the incoming unwanted call when relaying transferred using external to unwanted call response server, when detecting an incoming call is not a nuisance calls, relaying incoming junk call forwarding Is terminated, and response processing for incoming calls that are not unwanted calls is performed .

  According to the present invention, it is possible to reliably transfer a nuisance call incoming to the nuisance call response server.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing a configuration of a communication system having a telephone device according to an embodiment of the present invention.

  This communication system includes an IP (Internet Protocol) network 1, a SIP (Session Initiation Protocol) server 2 connected to the IP network 1, IP telephone devices 3 to 5, and a nuisance call response server 6.

  The SIP server 2 uses SIP as a call control protocol, a function for associating a telephone number and an IP address between a caller IP telephone apparatus and a call partner IP telephone apparatus, and a call connection session It has a function of processing various SIP messages necessary for establishment. After a call connection session is established between these IP telephone apparatuses, voice packets are directly transmitted and received using RTP (Real-time Transport Protocol) or the like.

  FIG. 2 is a block diagram showing the configuration of each of the IP telephone devices 3 to 5 in FIG. As shown in FIG. 2, each IP telephone apparatus includes a control unit 11, a storage unit 12, a call processing unit 13, a voice processing unit 14, and a network interface unit 15.

  The control unit 11 is composed of a microcomputer or the like, and controls the entire IP telephone apparatus. The storage unit 12 stores the terminal identification information of this IP telephone device, its own identification information such as a telephone number, an IP address, and a user ID, and a nuisance telephone number (the telephone of the caller who has made a nuisance call in the past) Number) and the telephone number of the nuisance call response server 6 are stored.

  The call processing unit 13 processes various messages for call connection using SIP. The call processing unit 13 includes various keys such as dial keys and function keys. The voice processing unit 14 includes a handset and a voice encoding / decoding processing circuit, and performs voice input / output and voice packet processing. The network interface unit 15 transmits and receives various packets between the IP network 1 and the call processing unit 13 and voice processing unit 14.

  The nuisance call response server 6 has the same configuration as the IP telephone devices 3 to 5. The storage unit stores the telephone number of the IP telephone device of the subscriber of the nuisance call response service, the nuisance response message, and the like.

  Next, an example of a procedure from when a pair of IP telephone apparatuses in the communication system shown in FIG. 1 starts a call until it ends will be described with reference to FIG. In this figure, the IP telephone device 21 on the outgoing side and the IP telephone device 22 on the incoming side are any two of the IP telephone devices 3 to 5 in FIG. In the following description, the description of the operation of the internal block (FIG. 2) of the IP telephone apparatus is omitted unless particularly necessary.

  First, the IP telephone device 21 on the transmission side sends an “INVITE (call request)” message to the SIP server 2 in accordance with the user's call operation P1 (step S1). The SIP server 2 checks the received “INVITE (call request)” message, and sends a “100 TRYING (notification in progress)” message to notify the IP telephone apparatus 21 that the call request has been received (procedure). S2). In addition, the SIP server 2 sends an “INVITE (call request)” message to the destination IP telephone device 22 that is the call destination (step S3). At this time, even if the IP telephone device 22 is already in a call, the SIP server 2 transmits an “INVITE (call request)” message. That is, in the communication system shown in FIG. 1, a new call request can be notified to the IP telephone apparatus during the incoming call response of the IP telephone apparatus.

  The IP telephone device 22 that has received the “INVITE (call request)” message sends out a “100 TRYING (in-process notification)” message to notify the SIP server 2 that it has been received (step S4). Next, the IP telephone device 22 sends a “180 RINGING (calling notification)” message indicating that a call is being made (step S5) and outputs a ringing tone.

  Upon receiving the “180 RINGING (calling notification)” message, the SIP server 2 notifies the IP telephone device 21 of “180 RINGING (calling notification) to notify the IP telephone device 21 that the IP telephone device 22 is being called. ) "Message is sent (step S6). The IP telephone apparatus 22 stops outputting the ringing tone based on the response operation P2 of the user, and sends a “200 OK (incoming response)” message to the SIP server 2 to notify that the incoming call has been answered ( Procedure S7).

  The SIP server 2 that has received the “200 OK (incoming response)” message sends out a “200 OK (incoming response)” message to the IP telephone apparatus 21 (step S8). The IP telephone apparatus 21 that has received the “200 OK (incoming response)” message transmits an “ACK (acknowledgment response)” message to the SIP server 2 (step S9). The SIP server 2 sends an “ACK (acknowledgment response)” message to the IP telephone device 22 (step S10).

  As a result, a call can be made between the IP telephone device 21 and the IP telephone device 22 (step S11). This call is performed by exchanging voice packets directly between the IP telephone apparatus 21 and the IP telephone apparatus 22 without using the SIP server 2 using RTP.

  When the call is finished and the disconnection operation P3 is performed in the IP telephone apparatus 21, the IP telephone apparatus 21 transmits a “BYE (disconnection notification)” message to the SIP server 2 (step S12). The SIP server 2 that has received the “BYE (disconnection notification)” message transmits a “BYE (disconnection notification)” message to the IP telephone device 22 (step S13).

  The IP telephone device 22 that has received the “BYE (disconnection notification)” message transmits a “200 OK (acknowledgement)” message to the SIP server 2 (step S14). The SIP server 2 that has received the “200 OK (accepted)” message sends out a “200 OK (acknowledged)” message to the IP telephone apparatus 21 (step S15).

  Next, in the communication system shown in FIG. 1, regarding the operation when the function of forwarding an incoming call of a nuisance call to the nuisance call response server 6 is set, (a) When there is an incoming call, (b) when answering an incoming call for a normal call, when receiving an incoming call for another normal call, (c) when forwarding an incoming call for an unwanted call, An explanation will be given in the order of (d) when a normal telephone call is received when an incoming call for a junk call is transferred. In the following description, the operation of the SIP server 2 is omitted for convenience. Therefore, for example, steps S1 and S2 in FIG. 3 will be described assuming that the originating IP telephone apparatus 21 has transmitted an “INVITE (call request)” message to the terminating IP telephone apparatus 22. Also, the exchange of the “100 TRYING (in-process notification)” message is omitted.

  FIG. 4 is a diagram showing an operation sequence in the case (a). In this figure, the receiving side IP telephone apparatus 31 is an IP telephone apparatus in which a function of forwarding an incoming incoming call to a nuisance call response server 6 among the IP telephone apparatuses 3 to 5 in the communication system shown in FIG. The normal call originator 32 and the nuisance call originator 33 are the other two units.

  First, in response to the call operation P11 at the normal telephone source 32, the normal telephone source 32 transmits an “INVITE (call request)” message to the destination IP telephone device 31 (step S21).

  The receiving side IP telephone apparatus 31 detects the telephone number (caller number) of the normal telephone caller 32 included in the “INVITE (call request)” message (step ST 1) and stores it in the storage unit 12. Based on the fact that it does not match the nuisance telephone number, it is determined that the telephone is not a nuisance call but a normal telephone (step ST2). In addition, the receiving side IP telephone device 31 transmits a “180 RINGING” message to the normal telephone source 32 (step S22).

  Next, the receiving side IP telephone apparatus 31 performs an incoming call response process based on the determination result (step ST3). That is, in response to the user's response operation P12, a “200 OK (incoming response)” message is transmitted to the normal telephone source 32 (step S23). Next, the normal telephone source 32 transmits an “ACK (acknowledgment)” message to the receiving side IP telephone apparatus 31 (step S24), so that a call can be made between the receiving side IP telephone apparatus 31 and the normal telephone apparatus 32. (Procedure S25).

  During this call, the nuisance call originator 33 transmits an “INVITE (call request)” message to the destination IP telephone apparatus 31 in response to the user's call operation P13 (step S26).

  The receiving side IP telephone device 31 detects the telephone number (caller number) of the nuisance call originator 33 included in the “INVITE (call request)” message (step ST4) and stores it in the storage unit 12. It is determined that the call is a nuisance call based on the coincidence with the nuisance telephone number (step ST5). Then, in response to the determination result, the nuisance call is transferred to the nuisance call response server 6 (step ST6).

  That is, first, the receiving side IP telephone device 31 sends an “INVITE (call request)” message to the nuisance call response server 6 (step S27), and the nuisance call response server 6 is included in the “INVITE (call request)” message. When the telephone number of the IP telephone device 31 is detected and it is determined that the telephone number matches the telephone number of the nuisance call answering service contractor, the service is determined to be “180 RINGING”. "Message is transmitted to the destination IP telephone device 31 (step S28). Upon receiving the “180 RINGING” message, the destination IP telephone device 31 transfers it to the nuisance call originator 33 (step S29).

  Next, when the preparation for sending the application message is completed, the nuisance call response server 6 transmits a “200 OK (incoming response)” message to the incoming side IP telephone device 31 (step S30). Upon receiving the “200 OK (incoming response)” message, the called IP telephone device 31 transfers it to the nuisance call source 33 (step S31).

  Next, the nuisance call source 33 that has received the “200 OK (incoming response)” message sends an “ACK (acknowledgment)” message to the incoming side IP telephone device 31 (step S32). Sends an “ACK (acknowledgment response)” message to the nuisance call response server 6 (step S33). As a result, the nuisance call response server 6 and the nuisance call originator 33 are in a state where voice packets can be directly transmitted and received by RTP, and a nuisance response message is sent from the nuisance call response server 6 to the nuisance call originator 33 (step S34). ).

  FIG. 5 is a diagram showing an operation sequence in the case (b). In this figure, outgoing operation P11, response operation P12, steps S21 to S25, and steps ST1 to ST3 are the same as those in FIG.

  During a call with the normal telephone source 32 (during step S25), an “INVITE (call request)” message is received from the normal telephone source 34 in response to the user's call operation P14 at the normal telephone source 34. It is sent to the side IP telephone device 31 (step S35).

  The destination IP telephone device 31 detects the telephone number (caller number) of the normal telephone caller 34 included in the “INVITE (call request)” message (step ST 7) and stores it in the storage unit 12. Based on the fact that it does not match the nuisance telephone number, it is determined that the telephone is not a nuisance call but a normal telephone (step ST8). Based on the determination result, busy processing is performed (step ST9). That is, a “486 BUSY (busy)” message is sent to the normal telephone originator 34.

FIG. 6 is a diagram showing an operation sequence in the case (c).
First, in response to a call operation P15 at the nuisance call originator 33, the nuisance call originator 33 transmits an “INVITE (call request)” message to the destination IP telephone apparatus 31 (step S37).

  The called IP telephone device 31 detects the telephone number (caller number) of the nuisance caller 33 included in the “INVITE (call request)” message (step ST10), and stores it in the storage unit 12. Based on the coincidence with the nuisance telephone number, it is determined as a nuisance call (step ST11). Then, according to the determination result, the call of the nuisance call originator 33 is transferred to the nuisance call response server 6 (step ST12).

  This transfer operation sequence (procedures S38 to S44) is the same as the procedures S27 to S33 in FIG. However, since the call path between the nuisance call response server 6 and the nuisance call originator 33 passes through the receiving side IP telephone device 31, the nuisance response message sent from the nuisance call response server 6 is the incoming side IP. It is relayed by the telephone device 31 to the nuisance call source 33 (step S45).

  When the incoming IP telephone device 31 relays the nuisance response message sent from the nuisance call response server 6 to the nuisance call originator 33 (during the execution of step S45), the outgoing call of the user at the nuisance call originator 35 is performed. In response to operation P16, an “INVITE (call request)” message is sent from the nuisance call originator 35 to the destination IP telephone apparatus 31 (step S46).

  The called IP telephone device 31 detects the telephone number (caller number) of the nuisance call originator 35 included in the “INVITE (call request)” message (step ST13), and stores it in the storage unit 12. It is determined that the call is a nuisance call based on the coincidence with the nuisance telephone number (step ST14). Based on the determination result, the nuisance call transferred to the nuisance call response server 6 is changed from the nuisance call originator 33 to the nuisance call originator 35 (step ST15).

  That is, first, the receiving side IP telephone apparatus 31 sends a “BYE (disconnection notification)” message to the nuisance call response server 6 and the nuisance call originator 33 (steps S47 and S48). When the nuisance call originator 33 returns a “200 OK (acknowledge)” message (steps S49 and S50), the communication path from the nuisance call response server 6 to the nuisance call originator 33 via the incoming IP telephone device 31 is disconnected. Is done.

  Thereafter, similarly to steps S38 to S44, by executing steps S51 to S57, a call path that passes through the incoming IP telephone device 31 is formed between the nuisance call response server 6 and the nuisance call originator 35. Then, the nuisance response message sent from the nuisance call response server 6 is transferred to the nuisance call originator 35 via the receiving side IP telephone device 31 (step S58).

  FIG. 7 is a diagram showing an operation sequence in the case (d). Here, the user's call operation P15 and the procedures S37 to S45 at the nuisance call source 33 are the same as those in FIG.

  When the incoming IP telephone device 31 relays the nuisance response message sent from the nuisance call response server 6 to the nuisance call originator 33 (during execution of step S45), the outgoing call of the user at the normal telephone originator 34 is performed. In response to operation P17, an “INVITE (call request)” message is sent from the normal telephone source 34 to the destination IP telephone apparatus 31 (step S59).

  The receiving side IP telephone apparatus 31 detects the telephone number (caller number) of the normal telephone caller 34 included in the “INVITE (call request)” message (step ST16), and stores it in the storage unit 12. Based on the fact that it does not match the nuisance telephone number, it is determined that the telephone is not a nuisance call but a normal telephone (step ST17). Then, based on the determination result, the transfer of the incoming call of the nuisance call originator 33 is terminated (step ST18), and the incoming call response process for the normal call originator 34 is performed (step ST19).

  That is, by using the same procedure as steps S47 to S50 in FIG. 6, the call path from the nuisance call response server 6 to the nuisance call originator 33 via the receiving side IP telephone device 31 is disconnected (steps S60 to S63), and then the called side In accordance with the user's response operation P18 in the IP telephone apparatus 31, a call path is formed between the receiving side IP telephone apparatus 31 and the normal telephone source 34 by the same procedure as steps S22 to S24 in FIG. Procedure S65-S67).

  In the above embodiment, one IP telephone device can handle all four types (a) to (d), but one IP telephone device can handle one to three types. You may comprise as follows. Further, in the above-described embodiment, the case where the normal call origination source 32 and the nuisance call origination source 33 are IP telephone devices has been described. However, one of them is a fixed telephone device connected to a public telephone line (PSTN), or The present invention can also be applied to a communication system which is a mobile phone device.

It is a figure which shows the structure of the communication system which has the telephone device of embodiment of this invention. It is a block diagram which shows the structure of each IP telephone apparatus of FIG. It is a figure which shows an example of the procedure after a pair of IP telephone apparatus in the communication system shown in FIG. FIG. 7 is a sequence diagram showing a first example of an operation when a function for forwarding an incoming call of a nuisance call to a nuisance call response server is set in the IP telephone apparatus according to the embodiment of the present invention. FIG. 10 is a sequence diagram showing a second example of the operation when the function of forwarding an incoming call of a nuisance call to the nuisance call response server is set in the IP telephone apparatus according to the embodiment of the present invention. FIG. 10 is a sequence diagram showing a third example of the operation when the function of transferring an incoming incoming call to a nuisance call response server is set in the IP telephone apparatus according to the embodiment of the present invention. FIG. 10 is a sequence diagram showing a fourth example of the operation when the function of transferring an incoming incoming call to a nuisance call response server is set in the IP telephone apparatus according to the embodiment of the present invention.

Explanation of symbols

  3-5 ... IP telephone apparatus, 6 ... Nuisance call response server, 11 ... Control unit, 12 ... Storage unit, 13 ... Call processing unit, 14 ... Voice processing unit, 15 ... Network interface unit, 21 ... Originating side IP telephone device, 22, 31 ... Incoming side IP telephone device, 32, 34 ... Normal telephone origin, 33, 35 ... Nuisance telephone origin .

Claims (2)

It means for detecting an incoming call, and means for determining whether said incoming call is unwanted call, when it is determined that the unwanted call by said means, and means for relaying forwarding the incoming call to the unwanted call response server, Means for changing an incoming call of a nuisance call transferred by the relay transfer means to the new incoming call when it is determined that the new incoming call detected during the relay transfer by the means is a nuisance call. A characteristic IP telephone apparatus. Means for detecting an incoming call, means for determining whether or not the incoming call is a nuisance call, and means for relaying and forwarding the incoming call to the nuisance call response server when the means determines that the call is a nuisance call; And a means for ending the relay transfer and performing a response process for the new call when it is determined that the new call detected during the relay transfer by the means is not a nuisance call. IP telephone equipment.

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