JP2005073085A - Router unit and telephone call control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a router unit realizing telephone call switching between an IP telephone and a subscriber telephone or between IP telephones. <P>SOLUTION: A router unit (100) includes at least a connection port (102) to a subscriber telephone network 2000, a connection port (101) to the Internet 1000 such as ADSL or CATV and a connection port (103) to an existing telephone set 10 and realizes a telephone call in IP telephone services or over a subscriber telephone network. The router unit includes a function for notifying a incoming call communication network to a user when a new incoming call is received during a call using a telephone set, and a function for performing telephone call switching between the IP telephone and the subscriber telephone or between the IP telephones. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a router device and a call control method that make it possible to use both a telephone network and an Internet network.

  In recent years, IP phone call services have undergone remarkable development, and discussions on the catch-phone service and the three-party call service between IP phones and between IP phones and subscriber phones have been discussed in RFCs and Internet drafts. The current situation is that no definitive procedure has yet been established. With the development of this IP telephone call service, it was considered that the service provided by the router device alone was the fastest way to provide the call waiting service and the three-party call service to the market.

As technical documents filed prior to the present invention, a telephone line signal processing unit connected to a telephone line network and capable of making a voice call through the telephone line network, and a computer connected to a computer communication network. A VOIP engine unit capable of performing a voice call through a communication network, and a switching unit that switches and connects a signal processing unit for a telephone line and a VOIP engine unit, and through either a general telephone line network or a computer communication network There is also a telephone system that enables a telephone call (for example, see Patent Document 1).
JP 2002-247187 A

  However, in the above-mentioned Patent Document 1, in a terminal device used as a telephone, a configuration including a function that can be connected to the Internet in addition to a function that can be connected to a general telephone line network is constructed. Is not available.

  The present invention has been made in view of the above circumstances, and provides a router device and a call control method capable of switching a call between an IP phone and a subscriber phone or switching a call between an IP phone and an IP phone. It is the purpose.

  In order to achieve this object, the present invention has the following features.

  The router device according to the present invention has at least a connection port to a subscriber telephone network, a connection port to an Internet network, and a connection port to a telephone, and IP telephone communication via the Internet network and via the subscription telephone network. A router device capable of subscriber telephone communication, which generates a hold tone when receiving a switching request signal for switching to a new communication network from an external telephone through a connection port to the telephone. The hold tone is notified to the IP telephone communication partner via the Internet network via the connection port to the Internet network or the subscriber telephone communication partner via the subscription telephone network via the connection port to the subscription telephone network. Depending on the state of receiving the sound notification means and the switch request signal, the call switch from the first IP telephone communication to the second IP telephone communication, the call switch from the IP telephone communication to the subscriber telephone communication, the subscriber telephone The call is switched from communication to IP telephone communication, or from the first subscriber telephone communication to the second subscriber telephone communication, and is switched via the Internet network between the telephone and the IP telephone call partner. Call switching means for performing IP telephone communication or subscriber telephone communication via a subscriber telephone network between a telephone and a subscriber telephone call partner.

  The router device according to the present invention, when receiving a new incoming signal notified through the connection port to the Internet network or the connection port to the subscriber telephone network, sends the received incoming signal to an external telephone. The apparatus further comprises incoming signal notification means for notifying through a connection port to the telephone.

  The router device according to the present invention is configured such that when the telephone and the first IP telephone communication partner perform the first IP telephone communication via the connection port to the Internet network and the connection port to the telephone, In a situation where the second IP phone incoming signal is received via the connection port to the Internet network, when the switching request signal is received, the hold tone notification means transmits the first IP signal via the connection port to the Internet network. The telephone communication partner is notified of the hold sound, and the call switching means switches the call from the first IP telephone communication to the second IP telephone communication.

  In addition, the router device according to the present invention is connected to the subscriber telephone network when the telephone and the IP telephone communication partner are performing IP telephone communication via the connection port to the Internet network and the connection port to the telephone. When the switching request signal is received in the situation where the incoming call signal is received via the mouth, the hold tone notification means notifies the IP phone communication partner of the hold tone via the connection port to the Internet network and The switching means switches the call from IP telephone communication to subscriber telephone communication.

  In addition, the router device according to the present invention is connected to the Internet network when the telephone and the other party of the subscriber telephone are performing the subscriber telephone communication via the connection port to the subscriber telephone network and the port to the telephone. In the situation where the IP telephone incoming signal is received through the mouth, when the switching request signal is received, the hold sound notification means notifies the subscriber telephone communication party of the hold sound through the connection port to the subscriber telephone network, The call switching means switches the call from the subscriber telephone communication to the IP telephone communication.

  In addition, the router device according to the present invention is configured such that when the telephone and the first subscriber telephone communication partner perform the first subscriber telephone communication through the connection port to the subscriber telephone network and the connection port to the telephone. When the switching request signal is received in the situation where the subscriber telephone incoming signal is received through the connection port to the subscriber telephone network, the hold tone notification means receives the first subscription via the connection port to the subscriber telephone network. A holding sound is notified to the telephone communication partner, and the call switching means switches the call from the first subscriber telephone communication to the second subscriber telephone communication.

  Further, the router device according to the present invention, in a situation where the telephone and the first IP telephone communication partner are performing the first IP telephone communication via the connection port to the Internet network and the connection port to the telephone, When the switching request signal is received, the hold sound notification means notifies the first IP telephone communication party of the hold sound via the connection port to the Internet network, and the call switching means transmits the connection sound to the telephone. When the dial number notified from the telephone is recognized as an IP telephone call, the telephone call is switched from the first IP telephone communication to the second IP telephone communication.

  In addition, the router device according to the present invention receives the switching request signal in a situation where the telephone and the IP telephone communication partner are performing IP telephone communication via the connection port to the Internet network and the connection port to the telephone. In this case, the hold tone notification means notifies the IP phone communication partner of the hold tone via the connection port to the Internet network, and the call switching means receives the dial number notified from the phone via the connection port to the telephone. When it is recognized that the subscriber telephone call is originated, the call switching from the IP telephone communication to the subscriber telephone communication is performed.

  In addition, the router device according to the present invention receives the switching request signal in a situation where the telephone and the telephone communication partner are performing telephone communication via the connection port to the subscriber telephone network and the connection port to the telephone. The hold tone notification means notifies the subscriber telephone communication party of the hold tone via the connection port to the subscriber telephone network, and the call switching means dials the notification from the phone via the connection port to the telephone. When the number is recognized as an IP telephone call, the call switching from the subscriber telephone communication to the IP telephone communication is performed.

  Further, the router device according to the present invention is in a situation where the telephone and the first subscriber telephone communication partner are performing the first subscriber telephone communication via the connection port to the subscriber telephone network and the connection port to the telephone. When the switch request signal is received, the hold sound notification means notifies the first subscriber telephone communication partner of the hold sound through the connection port to the subscriber telephone network, and the call switch means has a connection port to the telephone. When the dial number notified from the telephone via the telephone is recognized as a subscriber telephone call, the telephone call is switched from the first subscriber telephone communication to the second subscriber telephone communication.

  The call control method according to the present invention includes at least a connection port to a subscriber telephone network, a connection port to an Internet network, and a connection port to a telephone, IP telephone communication via the Internet network, and a subscriber telephone network. Is a call control method using a router device capable of subscriber telephone communication via a network, and when the router device receives a switching request signal for switching to a new communication network from an external telephone, the router device A holding tone notification step of generating a holding tone and notifying the generated holding tone to an IP telephone communication partner via the Internet network or a subscriber telephone communication partner via the subscriber telephone network, and a switch request signal to the router device Depending on the situation received by the router, the router device switches the call from the first IP phone communication to the second IP phone communication, the call switch from the IP phone communication to the subscriber phone communication, or the subscriber phone communication. IP telephone communication over the Internet network between the telephone and the IP telephone call partner is performed by switching the telephone call to IP telephone communication or switching the telephone call from the first subscriber telephone communication to the second subscriber telephone communication. And a call switching step of performing subscriber telephone communication via a subscriber telephone network between a telephone and a subscriber telephone call partner.

  Also, in the call control method according to the present invention, when the router device receives a new incoming signal notified via the Internet network or the subscriber telephone network, the router device notifies the incoming signal to an external telephone. A line type notification step is further performed.

  Further, the call control method according to the present invention is such that when the telephone is performing the first IP telephone communication with the first IP telephone call partner through the connection to the Internet network and the connection to the telephone. In a situation where the router device receives the second IP telephone incoming signal via the Internet network, when the router device receives the switching request signal, the router device becomes the first IP telephone communication partner via the Internet network. The holding tone is notified, and the router device switches the call from the first IP telephone communication to the second IP telephone communication.

  Further, the call control method according to the present invention is configured such that when the telephone is performing IP telephone communication with the IP telephone call partner via the connection to the Internet network and the connection to the telephone, In the situation where the router apparatus receives the incoming telephone call signal, when the router apparatus receives the switching request signal, the router apparatus notifies the IP telephone communication partner of the hold tone via the Internet network, and the router apparatus It is characterized in that a call switch from telephone communication to subscriber telephone communication is performed.

  Further, the call control method according to the present invention is configured such that when the telephone is performing subscriber telephone communication with the subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone, In the situation where the router device has received the IP phone incoming signal, when the router device receives the switching request signal, the router device notifies the subscriber telephone communication partner of the hold tone via the subscriber telephone network, The telephone switching from the subscriber telephone communication to the IP telephone communication is performed.

  Further, the call control method according to the present invention is such that the telephone is performing the first subscriber telephone communication with the first subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone. In the situation where the router apparatus receives the incoming call signal via the subscriber telephone network, when the router apparatus receives the switching request signal, the router apparatus becomes the first subscriber telephone communication partner via the subscriber telephone network. The holding tone is notified, and the router device switches the call from the first subscriber telephone communication to the second subscriber telephone communication.

  Further, the call control method according to the present invention is such that the telephone is performing the first IP telephone communication with the first IP telephone call partner via the connection port to the Internet network and the connection port to the telephone. When the switching request signal is received by the router device, the router device notifies the first IP telephone communication party of the hold tone via the Internet network, and the dial number notified from the telephone is transmitted by the router device. The router device switches the call from the first IP telephone communication to the second IP telephone communication.

  Also, the call control method according to the present invention provides a switch request signal to the router device in a situation where the telephone is performing IP telephone communication with the IP telephone call partner via the connection to the Internet network and the connection to the telephone. When the router device notifies the IP phone communication party of the hold tone via the Internet network, and the router device recognizes that the dial number notified from the telephone is the outgoing call, the router device It is characterized in that a call switch from IP telephone communication to subscriber telephone communication is performed.

  Further, the call control method according to the present invention provides a switch request signal to a router in a situation where a telephone is performing subscriber telephone communication with a subscriber telephone call partner via a connection port to a subscriber telephone network and a port to a telephone. When the router device receives the hold tone to the subscriber telephone communication partner via the subscriber telephone network when the device receives the message, the router device recognizes that the dial number notified from the telephone is an IP telephone call. The apparatus switches the call from the subscriber telephone communication to the IP telephone communication.

  Also, the call control method according to the present invention is such that the telephone is performing the first subscriber telephone communication with the first subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone. When the router device receives the switching request signal, the router device notifies the first subscriber telephone communication party of the hold tone via the subscriber telephone network, and the router device joins the dial number notified from the telephone. The router device switches the call from the first subscriber telephone communication to the second subscriber telephone communication when recognizing that the call originates.

  The router device and the call control method according to the present invention generate a holding tone when a switching request signal for switching to a new communication network is received from an external telephone through a connection port to the telephone. To notify the IP telephone communication partner via the Internet network via the connection port to the Internet network or the subscriber telephone communication partner via the subscription telephone network via the connection port to the subscription telephone network. Thus, it is possible to play a hold tone to one of the callers, without going through an IP phone server on the Internet or a switch of the subscriber phone network, and between the IP phone and the subscriber phone regardless of the function of the partner terminal. It becomes possible to realize a combined call waiting service. In addition, since the combined call waiting service for the IP phone and the subscriber phone can be realized only by the router device according to the present invention, an IP phone server on the Internet or a switch for the subscriber phone network can be used when changing the call system. Only the router device according to the present invention needs to be refurbished without changing, and further without changing the counterpart terminal, and the cost can be reduced.

  A router device (100) according to the present invention has a connection port (102) to a subscriber telephone network 2000, a connection port (101) to an Internet network 1000 such as ADSL or CATV, and a connection to an existing telephone set 10. In the router device (100) having the mouth (103) and capable of making a call on the IP telephone service or the subscriber telephone network, the user is notified of the incoming communication network when a new incoming call is received during a telephone call. And a function for switching a call between an IP phone and a subscriber phone and a function for switching a call between an IP phone and an IP phone.

  Hereinafter, a router device and a call control method according to the present invention will be described with reference to the accompanying drawings.

  First, a system configuration of a call system according to the present invention will be described with reference to FIG.

  The telephone system according to the present invention includes a router device (100) configured by connecting a telephone (10) and a PC (personal computer) (20), a subscriber telephone network (2000), and an Internet network (1000). ) Is connected to the router device (200) constructed in the same connection configuration as the router device (100).

  Note that the router devices (100, 200) constituting the call system have a port for connecting to the Internet network (1000), for example, a port for connecting to ADSL or CATV Internet. Further, the router device (100, 200) has a port for connection to the subscriber telephone network (2000). In addition, the router device (100, 200) is connected to an existing general telephone (10) and can make a call via the subscriber telephone network (2000) and an IP telephone call via the Internet network (1000). Yes. Further, the router device (100, 200) is connected to a PC (Personal Computer) (20) and can perform Internet communication via the Internet network (1000).

  Next, the configuration of the router devices (100, 200) that constitute the call system will be described with reference to FIG. In the following description, the configuration of the router device (100) will be described, but the router device (200) is also constructed with the same configuration as the router device (100).

  The router device (100) is connected to the Internet network (1000) and connected to the Internet network 1000 for performing Internet communication and IP telephone calls (101), and connected to the subscriber telephone network (2000) to perform subscriber telephone calls. A connection port (102) to the subscriber telephone network 2000 for connection, a connection port (103) to the telephone 10 for connecting to an existing general telephone (10) and performing an IP telephone call or a subscriber telephone call, and a personal computer (PC) A connection port (104) to the PC 20, a router function control device (105), and a voice, which can be connected to the computer (20) and set the Internet communication and control of the router device (100) itself via the PC (20) A conversion control device (106), a relay control device (107), and a tone control device (108) are included.

  Next, the processing operation in the router device (100) in the present embodiment will be described with reference to FIG. The processing operation described below is performed as a first processing operation when another IP phone call arrives from the Internet network (1000) during an IP phone call, and as a second processing operation, When a subscriber phone call arrives from the subscriber phone network (2000) during a telephone call, and as a third processing operation, a case where an IP phone call arrives from the Internet network (1000) during a subscriber phone call, The processing operation will be described by dividing it into four processing operations, that is, when another incoming call arrives from the subscriber telephone network (2000) during the subscriber telephone call.

(First processing operation)
First, a case where another incoming IP phone call comes from the Internet network (1000) during an IP phone call, which is the first processing operation, will be described.

  First, the telephone (10) has an IP telephone call with the first IP telephone call partner via the Internet network (1000). At this time, the relay control device (107) is connected to the voice conversion control device (106) and is not connected to the connection port (102) to the subscriber telephone network 2000. Then, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device (107). 107) is connected to the voice conversion control device (106) connected to the voice conversion control device (106). The voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the first IP telephone call partner.

  The voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). As a result, the IP telephone call is performed between the first IP telephone call partner connected via the Internet network (1000) and the caller of the telephone (10).

  Then, in the state where the IP telephone call is being performed between the first IP telephone call partner and the caller of the telephone (10), a new IP telephone call is received via the Internet network (1000). It is assumed that the data is transmitted from the connection port (101) to 1000 to the router function control device (105). At this time, when the router function control device (105) recognizes that a new IP phone call has arrived from the packet received from the new IP phone caller, the router 10 indicates that the new IP phone call has arrived. A request signal for transmitting tone signal 1 (incoming tone 1) for notifying the user to the telephone (10) is transmitted to the tone control device (108) via the voice conversion control device (106). The tone control device (108) that has received the request signal transmitted from the router function control device (105) via the voice conversion control device (106) receives the telephone (via the connection port (103) to the telephone 10 (103). The incoming tone 1 is sent to 10). Note that the incoming tone 1 sent to the telephone (10) generates an incoming tone that allows the IP telephone caller of the telephone (10) to recognize that it is an incoming call from the IP telephone, thereby generating the telephone (10). Will be sent to.

  Then, the IP telephone caller of the telephone (10) recognizes that a new incoming IP telephone call has occurred by listening to the incoming tone 1 from the telephone (10). When the IP telephone caller of the telephone (10) responds to a new IP telephone call, the router (10) indicates that it wishes to respond to the new IP telephone call by performing a specific signal, for example, hooking. It is possible to communicate to the device (100).

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first IP telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound to the voice conversion control device (106), and the voice conversion control device (106) converts the received hold sound into voice data. Then, the voice conversion control device (106) transmits the converted hold tone voice data to the router function control device (105), and the router function control device (105) packetizes the received hold tone voice data, It is sent to the Internet network (1000) via the connection port (101) to the Internet network 1000, and the voice data packet of the hold tone is delivered to the first IP telephone call partner. When the tone control device (108) detects a hooking, the tone control device (108) makes a call with the second IP phone call partner from a call with the first IP phone call partner in order to respond to a new IP phone call. A switching request signal for preparing to perform is transmitted to the voice conversion control device (106). The voice conversion control device (106) transmits the received switching request signal to the router function control device (105), and the router function control device (105) receives the first IP telephone call partner based on the received switching request signal. A switching process for making a call with the second IP telephone call partner from the call with is performed.

  Thereby, the voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is discarded in the router function control device (105). Also, the analog voice transmitted from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) relays the received analog voice. The data is transmitted to the voice conversion control device (106) connected to the control device (107). The voice conversion control device (106) converts the received analog voice into voice data, and transmits the converted voice data to the router function control device (105). The router function control device (105) packetizes the received voice data, sends the voice data packet to the Internet network (1000) through the connection port (101) to the Internet network 1000, and the second IP telephone call partner. Voice data packets will be delivered to.

  Voice data packets transmitted from the second IP telephone call partner via the Internet network (1000) are transmitted to the router function control device (105) via the connection port (101) to the Internet network 1000. The router function controller (105) extracts only the voice data portion from the received voice data packet, and transmits the extracted voice data to the voice conversion controller (106). The voice conversion control device (106) converts the received voice data into analog voice, and transmits the converted analog voice to the relay control device (107). The relay control device (107) is connected to the connection port ( 103) to the telephone (10). In the state up to this point, the hold sound is flowing to the first IP telephone call partner, and the second IP telephone call partner and the telephone (10) caller are making an IP telephone call.

(Second processing operation)
Next, the second processing operation, that is, a case where a subscriber telephone call arrives from the subscriber telephone network (2000) during an IP telephone call will be described.

  First, the telephone (10) makes an IP telephone call with the first IP telephone call partner via the Internet network (1000). At this time, the relay control device (107) is connected to the voice conversion control device (106) and is not connected to the connection port (103) to the subscriber telephone network 2000. Then, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device (107). 107) is connected to the voice conversion control device (106) connected to the voice conversion control device (106). The voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the first IP telephone call partner.

  The voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). As a result, the IP telephone call is performed between the first IP telephone call partner connected via the Internet network (1000) and the caller of the telephone (10).

  Then, in the state where the IP telephone call is being performed between the first IP telephone call partner and the caller of the telephone (10), a new incoming telephone call is received via the subscriber telephone network (2000). Suppose that it is transmitted to the tone control device (108) via the connection port (102) to 2000. When the tone control device (108) detects that a new subscriber phone call has arrived via the subscriber phone network (2000), the tone controller (108) notifies the caller of the telephone 10 that a new subscriber phone call has arrived. Signal 2 (incoming tone 2) is sent to the telephone (10) via the connection port (103) to the telephone 10. The incoming tone 2 sent to the telephone (10) generates an incoming tone that can be understood by the caller of the telephone (10) when it is an incoming call from a subscriber telephone and sends it to the telephone (10). .

  Then, the caller of the telephone (10) recognizes that a new incoming telephone call has occurred by listening to the incoming tone 2 from the telephone (10). Then, when the caller of the telephone (10) responds to a new subscriber telephone call, a router unit (10) indicates that he / she wants to respond to the new subscriber telephone call by performing a specific signal, for example, hooking. 100).

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first IP telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound to the voice conversion control device (106), and the voice conversion control device (106) converts the received hold sound into voice data. The voice conversion control device (106) transmits the converted hold tone voice data to the router function control device (105), and the router function control device (105) packetizes the received hold tone voice data into the Internet network. It is sent to the Internet network (1000) via the connection port (101) to 1000, and the voice data packet of the hold tone is delivered to the first IP telephone call partner. In addition, the tone control device (108) prepares to make a call with the subscriber telephone call partner from a call with the first IP telephone call partner in order to respond to a new incoming call when a hooking is detected. A switching request signal for transmission is transmitted to the voice conversion control device (106). The voice conversion control device (106) transmits the received switching request signal to the router function control device (105), and the router function control device communicates with the first IP telephone call partner based on the received switching request signal. A switching process for making a call with the other party from the call is performed. Thereby, the voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is discarded in the router function control device (105).

  Further, the tone control device (108) transmits a switching request signal for performing a call with the subscriber telephone call partner to the relay control device (107) via the connection port (102) to the subscriber telephone network 2000, and relays the relay control device (107). Based on the received switching request signal, the control device (107) switches from the connection with the voice conversion control device (106) to the connection with the connection port (102) to the subscriber telephone network 2000. As a result, the connection port (102) to the subscriber telephone network 2000 and the connection port (103) to the telephone 10 are connected via the relay control device (107), and the subscription delivered via the subscriber telephone network (2000). The telephone (10) responds to an incoming call from the telephone call partner. Thereafter, the analog voice from the telephone (10) is transmitted as it is to the subscriber telephone network (2000) through the connection port (103) to the telephone 10 and the connection port (102) to the subscriber telephone network 2000. It is delivered to the subscriber telephone call partner via the telephone network (2000). Further, analog voice transmitted from the subscriber telephone call partner via the subscriber telephone network (2000) is transmitted to the telephone (102) via the connection port (102) to the subscriber telephone network 2000 and the connection port (103) to the telephone 10. 10). In the state up to this point, the hold tone is flowing to the first IP telephone call partner, and the subscriber telephone call partner and the caller of the telephone (10) are performing the subscriber telephone call.

(Third processing operation)
Next, a description will be given of a third processing operation when an IP telephone call comes from the Internet network (1000) during a subscriber telephone call.

  First, the telephone (10) makes a subscriber telephone call with the first subscriber telephone call partner via the subscriber telephone network (2000). At this time, the relay control device (107) is connected to the connection port (102) to the subscriber telephone network 2000 and is not connected to the voice conversion control device (106). Then, the analog voice transmitted from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) relays the received analog signal. The analog voice transmitted to the connection port (102) to the subscriber telephone network 2000 connected to the control device (107) and transmitted from the telephone (10) is directly sent via the subscriber telephone network (2000) to the first voice. It will be delivered to the other party. The analog voice transmitted from the first subscriber telephone call partner via the subscriber telephone network (2000) is transmitted to the relay controller (107) via the connection port (102) to the subscriber telephone network 2000, The relay control device (107) transmits the received analog signal to the connection port (103) to the telephone 10, and the analog voice transmitted from the first subscriber telephone call partner is delivered to the telephone (10) as it is. become. As a result, the subscriber telephone call is performed between the first subscriber telephone call partner and the caller of the telephone (10).

  Then, in the state in which the subscriber telephone call is being performed between the first subscriber telephone call partner and the caller of the telephone set (10), a new IP telephone call is received via the Internet network (1000). Is transmitted from the connection port (101) to the router function control device (105). At this time, when the router function control device (105) recognizes that a new IP phone call has arrived from the packet received from the new IP phone caller, the router 10 indicates that the new IP phone call has arrived. A request signal for sending tone signal 1 (incoming tone 1) for notifying the user to the telephone (10) is transmitted to the tone control device (108) via the voice conversion control device (106). Then, the tone control device (108) that has received the request signal sends the incoming tone 1 to the telephone (10) via the connection port (103) to the telephone 10. The incoming tone 1 sent to the telephone (10) generates an incoming tone so that the caller of the telephone (10) knows that the incoming call is from an IP telephone, and sends it to the telephone (10). Will do.

  Then, the caller of the telephone (10) recognizes that a new incoming IP telephone call has occurred by listening to the incoming tone 1 from the telephone (10). When a caller of the telephone (10) responds to a new IP telephone call, the router ((10)) indicates that he / she wants to respond to the new IP telephone call by performing a specific signal, for example, hooking. 100).

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first subscriber telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound as it is to the connection port (102) to the subscriber telephone network 2000 and delivers it to the first subscriber telephone call partner via the subscriber telephone network (2000). Will be.

  Further, the tone control device (108) transmits a switching request signal for making a call with the IP telephone call partner to the relay control device (107) via the connection port (101) to the Internet network 1000, and relay control is performed. The device (107) switches from the connection with the connection port (102) to the subscriber telephone network 2000 to the connection with the voice conversion control device (106) based on the received switching request signal. Thereby, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device. The voice conversion control device (106) is connected to (107), and the voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the IP telephone call partner.

  The voice data packet transmitted from the IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). In the state up to this point, the hold sound is flowing to the first subscriber telephone call partner, and the IP telephone call is being performed between the IP telephone call partner and the telephone (10) caller.

(Fourth processing operation)
Next, the fourth processing operation will be described in the case where another subscriber telephone call arrives from the subscriber telephone network (2000) during the subscriber telephone call.

  In the fourth processing operation, the router device (100) need not perform any processing, but is described as a reference in order to describe all patterns.

  First, the telephone (10) makes a subscriber telephone call with the first subscriber telephone call partner via the subscriber telephone network (2000). At this time, the relay control device (107) is connected to the connection port (102) to the subscriber telephone network 2000 and is not connected to the voice conversion control device (106). The analog voice transmitted from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) subscribes the received analog signal. The analog signal transmitted to the connection port (102) to the telephone network 2000 and transmitted from the telephone (10) is directly delivered to the first subscriber telephone call partner via the subscriber telephone network (2000). The analog voice transmitted from the first subscriber telephone call partner via the subscriber telephone network (2000) is transmitted to the relay controller (107) via the connection port (102) to the subscriber telephone network 2000, The relay control device (107) transmits the received analog signal to the connection port (103) to the telephone 10, and the analog voice transmitted from the first subscriber telephone call partner is delivered to the telephone (10) as it is. become. As a result, the subscriber telephone call is performed between the first subscriber telephone call partner and the caller of the telephone (10).

  Then, in the state in which the subscriber telephone call is performed between the first subscriber telephone call partner and the caller of the telephone (10), a new subscriber telephone call is received via the subscriber telephone network (2000). The transmission from the connection port (102) to the network 2000 to the tone control device (108) is a case where a call waiting service, which is an additional service of the subscriber phone, is contracted, and the router device (100) has nothing to do with it. There is no need to do that.

  As described above, when the router device (100) having the above configuration receives another IP phone call from the Internet network (1000) during the IP phone call, which is the first processing operation, When the incoming call is received from the subscriber telephone network (2000) during the IP telephone call, which is the processing operation of No. 2, the tone control device (108) of the router device (100) detects hooking. , Generates a hold tone for the first IP telephone call partner, transmits the generated hold tone to the voice conversion control device (106), and the voice conversion control device (106) converts the received hold tone into voice data. . Then, the voice conversion control device (106) transmits the converted hold tone voice data to the router function control device (105), and the router function control device (105) packetizes the received hold tone voice data, It is sent to the Internet network (1000) via the connection port (101) to the Internet network 1000, and the voice data packet of the hold tone is delivered to the first IP telephone call partner. In addition, when an incoming IP phone call is received from the Internet network (1000) during a subscriber telephone call, which is the third processing operation, the first subscriber telephone is detected when the tone control device (108) detects hooking. A holding tone for the other party is generated, and the generated holding tone is transmitted as it is to the connection port (102) to the subscriber telephone network 2000 and delivered to the first subscriber telephone party via the subscriber telephone network (2000). It will be. Accordingly, in the present router device (100), it is possible to send a hold tone to one of the callers, so that it does not go through the IP telephone server on the Internet network (1000) or the exchange on the subscriber telephone network (2000). Furthermore, it is possible to realize a combined call waiting service for IP telephones and subscriber telephones regardless of the function of the communication partner apparatus.

  In addition, since the combined call waiting service of the IP phone and the subscriber phone can be realized only by the router device (100), the IP phone server on the Internet network (1000) and the exchange on the subscriber phone network (2000) are changed. In addition, since it is only necessary to change the router device (100) without changing the communication partner device, the cost can be reduced.

Next, a second embodiment will be described.
In the first embodiment, the processing operation when another incoming call arrives during a call has been described. In the second embodiment, so-called three parties that make a call to another party during a call. A processing operation related to a call will be described. Note that the processing operation described in the second embodiment includes a case in which another IP phone call is made to the Internet network (1000) during an IP phone call and a second processing operation as the first processing operation. As another example, when a subscriber telephone call is made to the subscriber telephone network (2000) during the IP telephone call, and another IP telephone call is made to the Internet network (1000) during the subscriber telephone call as a third processing operation. A case and a fourth processing operation will be described by dividing into four processing operations, that is, a case where another subscriber telephone call is made to the subscriber telephone network (2000) during the subscriber telephone call.

(First processing operation)
First, a case where another IP phone call is made to the Internet network (1000) during an IP phone call, which is a first processing operation, will be described.

  First, the telephone (10) has an IP telephone call with the first IP telephone call partner via the Internet network (1000). At this time, the relay control device (107) is connected to the voice conversion control device (106) and is not connected to the connection port (102) to the subscriber telephone network 2000. Then, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device (107). 107) is connected to the voice conversion control device (106) connected to the voice conversion control device (106). The voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the first IP telephone call partner.

  The voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). As a result, the IP telephone call is performed between the first IP telephone call partner connected via the Internet network (1000) and the caller of the telephone (10).

  Then, in the state where the IP telephone call is being performed between the first IP telephone call partner and the caller of the telephone (10), a new IP telephone call is made from the telephone (10) to the Internet network (1000). I will do it. At this time, in order for the caller of the telephone (10) to make a new IP telephone call, the router (100) indicates that a new signal is to be transmitted from the telephone (10), for example, by hooking. )

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first IP telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound to the voice conversion control device (106), and the voice conversion control device (106) converts the received hold sound into voice data. Then, the voice conversion control device (106) transmits the converted hold tone voice data to the router function control device (105), and the router function control device (105) packetizes the received hold tone voice data, It is sent to the Internet network (1000) via the connection port (101) to the Internet network 1000, and the voice data packet of the hold tone is delivered to the first IP telephone call partner. Further, the tone control device (108) sends a switching request signal for preparing to make a call with the second IP telephone call partner from the call with the first IP telephone call partner to the voice conversion control device (106). Send. The voice conversion control device (106) transmits the received switching request signal to the router function control device (105), and the router function control device (105) receives the first IP telephone call partner based on the received switching request signal. A switching process for making a call with the second IP telephone call partner from the call with is performed. Thereby, the voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is discarded in the router function control device (105).

  Further, the tone control device (108), when detecting hooking, sends a special tone, for example, a second dial tone, to the phone (10) to the effect that it can make a new IP phone call to the caller of the phone (10). It is sent to the telephone (10) through the connection port (103). Then, the caller of the telephone (10) can recognize that a new IP telephone call can be made from the telephone (10) by listening to the second dial tone from the telephone (10). When the tone control device (108) receives the dialed dial number from the telephone (10) transmitted through the connection port (103) to the telephone 10, the tone control device (108) becomes an IP telephone. You will recognize that it is outgoing. Thereby, the router device (100) establishes a call between the second IP telephone call partner and the caller of the telephone (10) via the Internet network (1000).

  The tone control device (108) identifies whether the call is transmitted via the Internet network (1000) or the subscriber telephone network (2000), for example, a dial number dialed from the telephone (10). It is possible to set the tone control device (108) so that it recognizes that the IP phone call originates when the number starts with 9999, and that the call starts when the dial number starts with 8888.

  Thereafter, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device (107). 107) is connected to the voice conversion control device (106) connected to the voice conversion control device (106). The voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the second IP telephone call partner.

  Also, the voice data packet transmitted from the second IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). In the state up to this point, the hold sound is flowing to the first IP telephone call partner, and the second IP telephone call partner and the telephone (10) caller are making an IP telephone call.

(Second processing operation)
Next, the second processing operation, that is, a case where a subscriber telephone call is made to the subscriber telephone network (2000) during an IP telephone call will be described.

  First, the telephone (10) makes an IP telephone call with the first IP telephone call partner via the Internet network (1000). At this time, the relay control device (107) is connected to the voice conversion control device (106) and is not connected to the connection port (102) to the subscriber telephone network 2000. Then, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) converts the received analog voice into the relay control device (107). 107) is connected to the voice conversion control device (106) connected to the voice conversion control device (106). The voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is converted into the router function control device (105). ). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the first IP telephone call partner.

  The voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). As a result, the IP telephone call is performed between the first IP telephone call partner connected via the Internet network (1000) and the caller of the telephone (10).

  Then, in the state where the IP telephone call is being performed between the first IP telephone call partner and the caller of the telephone (10), a new subscriber telephone call is made from the telephone (10) to the subscriber telephone network (2000). To do. At this time, in order for a caller of the telephone (10) to make a new subscriber telephone call, a router (100) indicates that a new signal is to be sent from the telephone (10) by performing a specific signal, for example, hooking. )

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first IP telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound to the voice conversion control device (106), and the voice conversion control device (106) converts the received hold sound into voice data. Then, the voice conversion control device (106) transmits the converted hold tone voice data to the router function control device (105), and the router function control device (105) packetizes the received hold tone voice data, It is sent to the Internet network (1000) via the connection port (101) to the Internet network 1000, and the voice data packet of the hold tone is delivered to the first IP telephone call partner. Also, the tone control device (108) transmits a switching request signal for preparing to make a call with the subscriber telephone call partner from the call with the first IP telephone call partner to the voice conversion control device (106). The voice conversion control device (106) transmits the received switching request signal to the router function control device (105), and the router function control device communicates with the first IP telephone call partner based on the received switching request signal. A switching process for making a call with the other party from the call is performed. Thereby, the voice data packet transmitted from the first IP telephone call partner via the Internet network (1000) is discarded in the router function control device (105).

  Furthermore, when the tone control device (108) detects hooking, the tone control device (108) sends a special tone, such as a second dial tone, to the telephone 10 to inform the caller of the telephone (10) that the subscriber telephone call can be made. The data is sent to the telephone (10) through the connection port (103). The caller of the telephone (10) can recognize that a new subscriber telephone call can be made from the telephone (10) by listening to the second dial tone from the telephone (10). When the tone control device (108) receives the dialed number dialed from the telephone (10) transmitted through the connection port (103) to the telephone 10, the tone control device (108) becomes a subscriber telephone. You will recognize that it is outgoing.

  The tone control device (108) identifies whether the call is transmitted via the Internet network (1000) or the subscriber telephone network (2000), for example, a dial number dialed from the telephone (10). It is possible to set the tone control device (108) so that it recognizes that the IP phone call originates when the number starts with 9999, and that the call starts when the dial number starts with 8888.

  Then, when the tone control device (108) recognizes that the call is a subscriber telephone call from the dial number, the tone control device (108) switches from connection with the voice conversion control device (106) to connection with the connection port (102) to the subscriber telephone network 2000. The relay control device (107) transmits a switching request signal for connection to the subscriber telephone network 2000 from the connection with the voice conversion control device (106) based on the received switching request signal. The connection is switched to the connection port (102). As a result, the dial number is transmitted to the subscriber telephone network (2000) through the connection port (102) to the subscriber telephone network 2000, and the second subscriber telephone call partner and the telephone (10) through the subscriber telephone network (2000). ) To establish a call with the caller. Thereafter, the analog voice from the telephone (10) is transmitted as it is to the subscriber telephone network (2000) through the connection port (103) to the telephone 10 and the connection port (102) to the subscriber telephone network 2000. It is delivered to the second subscriber telephone call partner via the telephone network (2000). The analog voice transmitted from the second subscriber telephone call partner via the subscriber telephone network (2000) is connected via the connection port (102) to the subscriber telephone network 2000 and the connection port (103) to the telephone set 10. To the telephone (10) as it is. In the state so far, the hold sound is flowing to the first IP telephone call partner, and the second subscriber telephone call partner and the caller of the telephone (10) are performing the subscriber telephone call.

(Third processing operation)
Next, a case where another IP telephone call is made to the Internet network (1000) during a subscriber telephone call, which is a third processing operation, will be described.

  First, the telephone (10) makes a subscriber telephone call with the first subscriber telephone call partner via the subscriber telephone network (2000). At this time, the relay control device (107) is connected to the connection port (102) to the subscriber telephone network 2000 and is not connected to the voice conversion control device (106). Then, the analog voice transmitted from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) relays the received analog signal. The analog voice transmitted to the connection port (102) to the subscriber telephone network 2000 connected to the control device (107) and transmitted from the telephone (10) is directly sent via the subscriber telephone network (2000) to the first voice. It will be delivered to the other party. The analog voice transmitted from the first subscriber telephone call partner via the subscriber telephone network (2000) is transmitted to the relay controller (107) via the connection port (102) to the subscriber telephone network 2000, The relay control device (107) transmits the received analog signal to the connection port (103) to the telephone 10, and the analog voice transmitted from the first subscriber telephone call partner is delivered to the telephone (10) as it is. become. As a result, the subscriber telephone call is performed between the first subscriber telephone call partner and the caller of the telephone (10).

  Then, in the state in which the subscriber telephone call is being performed between the first subscriber telephone call partner and the caller of the telephone set (10), a new IP telephone call is made from the telephone set (10) to the Internet network (1000). I will do it. At this time, in order for the caller of the telephone (10) to make a new IP telephone call, the router (100) indicates that a new signal is to be transmitted from the telephone (10), for example, by hooking. )

  When the tone control device (108) included in the router device (100) detects hooking notified from the telephone (10) via the connection port (103) to the telephone 10, the hold for the first subscriber telephone call partner is held. Generate sound. Then, the tone control device (108) transmits the generated hold sound as it is to the connection port (102) to the subscriber telephone network 2000 and delivers it to the first subscriber telephone call partner via the subscriber telephone network (2000). Will be.

  Further, when the tone control device (108) detects a hooking, the tone control device (108) transmits a special tone, for example, a second dial tone, to inform the caller of the phone (10) that a new IP phone call can be made. 10 is sent to the telephone (10) through the connection port (103) to the telephone (10). Then, the caller of the telephone (10) can recognize that a new IP telephone call can be made from the telephone (10) by listening to the second dial tone from the telephone (10). When the tone control device (108) receives the dialed number dialed from the telephone (10), the tone control device (108) recognizes that it is an IP telephone call. Then, the tone control device (108) transmits a switching request signal for performing a call with a new IP telephone call partner to the relay control device (107) via the connection port (101) to the Internet network 1000, Based on the received switching request signal, the relay control device (107) switches from the connection with the connection port (102) to the subscriber telephone network 2000 to the connection with the voice conversion control device (106). Thus, the router device (100) establishes a call between the second IP telephone call partner and the caller of the telephone (10) via the Internet network (1000).

  The tone control signal (108) is identified by the dial number dialed from the telephone (10), for example, for identifying whether the transmission is via the Internet network (1000) or the subscriber telephone network (2000). Information can be recognized in the tone control device (108) so that it is recognized that the IP phone call originates when the head is 9999, and that the call is dialed when the head of the dial number is 8888.

  Thereafter, the analog voice from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) relays the received analog voice. The voice conversion control device (106) is connected to the control device (107), and the voice conversion control device (106) converts the received analog signal into voice data, and the converted voice data is subjected to router function control. Transmit to the device (105). The router function control device (105) packetizes the received voice data, and sends the packetized voice data packet to the Internet network (1000) via the connection port (101) to the Internet network 1000. ), The voice data packet is delivered to the second IP telephone call partner.

  Also, the voice data packet transmitted from the second IP telephone call partner via the Internet network (1000) is delivered to the router function control device (105) via the connection port (101) to the Internet network 1000. Then, the router function control device (105) extracts only the voice data portion from the voice data packet, and transmits the extracted voice data to the voice conversion control device (106). The voice conversion control device (106) converts the received voice data into analog voice, and the converted analog voice is connected to the telephone 10 from the relay control device (107) connected to the voice conversion control device (106). It is delivered to the telephone (10) via (103). In the state up to this point, the hold sound is flowing to the first subscriber telephone call partner, and the second IP telephone call partner and the caller of the telephone (10) are making an IP telephone call.

(Fourth processing operation)
Next, a case where another subscriber telephone call is made to the subscriber telephone network (2000) during the subscriber telephone call as the fourth processing operation will be described.

  In the fourth processing operation, the router device (100) need not perform any processing, but is described as a reference in order to describe all patterns.

  First, the telephone (10) makes a subscriber telephone call with the first subscriber telephone call partner via the subscriber telephone network (2000). At this time, the relay control device (107) is connected to the connection port (102) to the subscriber telephone network 2000 and is not connected to the voice conversion control device (106). The analog voice transmitted from the telephone (10) is transmitted to the relay control device (107) via the connection port (103) to the telephone 10, and the relay control device (107) subscribes the received analog signal. The analog signal transmitted to the connection port (102) to the telephone network 2000 and transmitted from the telephone (10) is directly delivered to the first subscriber telephone call partner via the subscriber telephone network (2000). The analog voice transmitted from the first subscriber telephone call partner via the subscriber telephone network (2000) is transmitted to the relay controller (107) via the connection port (102) to the subscriber telephone network 2000, The relay control device (107) transmits the received analog signal to the connection port (103) to the telephone 10, and the analog voice transmitted from the first subscriber telephone call partner is delivered to the telephone (10) as it is. become. As a result, the subscriber telephone call is performed between the first subscriber telephone call partner and the caller of the telephone (10).

  Then, in a state in which the subscriber telephone call is being performed between the first subscriber telephone call partner and the caller of the telephone set (10), the caller of the telephone set (10) newly enters the subscriber telephone network (2000). In order to make a subscriber phone call, a contract is made for a three-party call, which is an additional service of the subscriber phone, and the router device (100) does not need to do anything.

  The above-described embodiment is a preferred embodiment of the present invention, and various modifications can be made without departing from the gist of the present invention. The system configuration is particularly limited as long as it is a system configuration to which the router device is applied. It is not a thing.

  The router device according to the present invention can be applied to any telephone system that performs a telephone call via both the subscriber telephone network and the Internet network.

It is a figure which shows the system configuration | structure of the telephone call system concerning this invention. It is a figure which shows the structure of the router apparatus concerning this invention, and the processing operation in the router apparatus.

Explanation of symbols

10 telephone 20 PC (personal computer)
DESCRIPTION OF SYMBOLS 100 Router apparatus 101 Connection port to Internet network 1000 102 Connection port to subscriber telephone network 2000 103 Connection port to telephone 10 104 Connection port to PC20 105 Router function control apparatus 106 Voice conversion control apparatus 107 Relay control apparatus 108 Tone control Equipment 1000 Internet network 2000 Subscribed telephone network

Claims (20)

Router device having at least a connection port to a subscriber telephone network, a connection port to an Internet network, and a connection port to a telephone, and capable of IP telephone communication via the Internet network and subscriber telephone communication via the subscription telephone network Because
When a switching request signal for switching to a new communication network is received via a connection port from an external telephone to the telephone, a holding sound is generated, and the generated holding sound is connected to the Internet network. A holding tone notification means for notifying an IP telephone communication partner via the Internet via a mouth or a subscriber telephone communication partner via the subscriber telephone network via a connection port to the subscriber telephone network;
Depending on the situation where the switching request signal is received, the call is switched from the first IP telephone communication to the second IP telephone communication, the telephone is switched from the IP telephone communication to the subscriber telephone communication, and the subscriber telephone communication is switched to the IP telephone communication. IP telephone communication through the Internet network between the telephone and the IP telephone call partner is performed by switching the telephone call from the first telephone telephone communication to the second subscriber telephone communication. Or call switching means for performing subscriber telephone communication via the subscriber telephone network between the telephone and the subscriber telephone call partner,
A router device comprising:   When a new incoming signal notified through the connection port to the Internet network or the connection port to the subscriber telephone network is received, the received incoming signal is sent to an external telephone and connected to the telephone. 2. The router device according to claim 1, further comprising an incoming signal notifying means for notifying through the router. The connection port to the Internet network when the telephone and the first IP telephone communication partner are performing the first IP telephone communication via the connection port to the Internet network and the connection port to the telephone In the situation where the second IP phone incoming signal is received via the
The holding tone notification means notifies the holding tone to the first IP telephone communication partner via a connection port to the Internet network,
2. The router apparatus according to claim 1, wherein the call switching unit performs call switching from the first IP telephone communication to the second IP telephone communication. When the telephone and the IP telephone communication partner are performing IP telephone communication via the connection port to the Internet network and the connection port to the telephone, the subscriber telephone is connected via the connection port to the subscriber telephone network. In the situation where the incoming signal is received, when the switching request signal is received,
The hold tone notification means notifies the IP phone communication partner of the hold tone via a connection port to the Internet network,
2. The router device according to claim 1, wherein the call switching unit performs a call switch from the IP telephone communication to a subscriber telephone communication. When the telephone and the other party of the subscriber telephone communication are performing subscriber telephone communication via the connection port to the subscriber telephone network and the connection port to the telephone, an IP phone is connected via the connection port to the Internet network. In the situation where the incoming signal is received, when the switching request signal is received,
The hold tone notification means notifies the subscriber phone communication partner of the hold tone via a connection port to the subscriber telephone network,
2. The router device according to claim 1, wherein the call switching unit performs a call switch from the subscriber telephone communication to the IP telephone communication. When the telephone and the first subscriber telephone communication partner are performing the first subscriber telephone communication via the connection port to the subscriber telephone network and the connection port to the telephone, In a situation where the subscriber telephone incoming signal is received through the connection port, when the switching request signal is received,
The holding tone notification means notifies the holding tone to the first subscriber telephone communication partner via a connection port to the subscriber telephone network;
2. The router device according to claim 1, wherein the call switching means switches a call from the first subscriber telephone communication to a second subscriber telephone communication. The switch request signal is received in a situation where the telephone and the first IP telephone communication partner are performing the first IP telephone communication via the connection to the Internet network and the connection to the telephone. When
The holding tone notification means notifies the holding tone to the first IP telephone communication partner via a connection port to the Internet network,
The call switching means is configured to make a call from the first IP telephone communication to the second IP telephone communication when the dial number notified from the telephone through the connection port to the telephone is recognized as an IP telephone call. 2. The router device according to claim 1, wherein switching is performed. In the situation where the telephone and the IP telephone communication partner are performing IP telephone communication via the connection port to the Internet network and the connection port to the telephone, when the switching request signal is received,
The hold tone notification means notifies the IP phone communication partner of the hold tone via a connection port to the Internet network,
The call switching means switches the call from the IP telephone communication to the subscriber telephone communication when the dial number notified from the telephone through the connection port to the telephone is recognized as a subscriber telephone call. The router device according to claim 1. In a situation where the telephone and the subscriber telephone communication partner are performing subscriber telephone communication through the connection port to the subscriber telephone network and the connection port to the telephone, when the switching request signal is received,
The hold tone notification means notifies the subscriber phone communication partner of the hold tone via a connection port to the subscriber telephone network,
The call switching means switches the call from the subscriber telephone communication to the IP telephone communication when the dial number notified from the telephone through the connection port to the telephone is recognized as an IP telephone call. The router device according to claim 1. The switch request signal is received in a situation where the telephone and the first subscriber telephone communication partner are performing the first subscriber telephone communication via the connection port to the subscriber telephone network and the connection port to the telephone. When
The holding tone notification means notifies the holding tone to the first subscriber telephone communication partner via a connection port to the subscriber telephone network;
The call switching means is configured to make a call from the first subscriber telephone communication to the second subscriber telephone communication when the dial number notified from the telephone through the connection port to the telephone is recognized as a subscriber telephone call. 2. The router device according to claim 1, wherein switching is performed. Router device having at least a connection port to a subscriber telephone network, a connection port to an Internet network, and a connection port to a telephone, and capable of IP telephone communication via the Internet network and subscriber telephone communication via the subscription telephone network A call control method using
When the router device receives a switching request signal for switching to a new communication network from an external telephone, the router device generates a holding tone, and the generated holding tone is transmitted via the Internet network. A holding tone notification step of notifying an IP telephone communication partner or a subscriber telephone communication partner via the subscriber telephone network;
Depending on the situation where the router device has received the switching request signal, the router device switches the call from the first IP phone communication to the second IP phone communication, and switches the call from the IP phone communication to the subscriber phone communication. , Switching the call from the subscriber telephone communication to the IP telephone communication, or switching the call from the first subscriber telephone communication to the second subscriber telephone communication, and switching between the telephone and the IP telephone call partner IP telephone communication via the Internet network, or a call switching step for performing subscriber telephone communication via the subscriber telephone network between the telephone and the subscriber telephone call partner;
A call control method characterized by:   A line type notifying step in which when the router device receives a new incoming signal notified via the Internet network or the subscriber telephone network, the router device notifies the incoming signal to an external telephone; The call control method according to claim 11, wherein the call control method is performed. When the telephone is performing the first IP telephone communication with the first IP telephone call partner through the connection port to the Internet network and the connection terminal to the telephone, the second is transmitted through the Internet network. In the situation where the router device has received the IP telephone incoming signal, when the router device has received the switching request signal,
The router device notifies the hold tone to the first IP telephone communication partner via the Internet;
12. The call control method according to claim 11, wherein the router device performs call switching from the first IP telephone communication to the second IP telephone communication. When the telephone is performing IP telephone communication with an IP telephone call partner via the connection port to the Internet network and the connection terminal to the telephone, the incoming call signal is transmitted to the router via the subscriber telephone network. In the situation that the device has received, when the router device has received the switching request signal,
The router device notifies the IP phone communication partner of the hold tone via the Internet network;
12. The call control method according to claim 11, wherein the router device performs call switching from the IP telephone communication to the subscriber telephone communication. When the telephone is performing subscriber telephone communication with a subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone, an IP telephone incoming signal is transmitted to the router via the Internet network. In the situation that the device has received, when the router device has received the switching request signal,
The router device notifies the subscriber telephone communication partner of the hold tone via the subscriber telephone network,
12. The call control method according to claim 11, wherein the router device switches a call from the subscriber telephone communication to the IP telephone communication. When the telephone is performing a first subscriber telephone communication with the first subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone, In the situation where the router device has received the incoming telephone call signal, when the router device has received the switching request signal,
The router device notifies the hold tone to the first subscriber telephone communication partner via the subscriber telephone network;
12. The call control method according to claim 11, wherein the router device performs call switching from the first subscriber telephone communication to the second subscriber telephone communication. In a situation where the telephone is performing first IP telephone communication with a first IP telephone call partner via the connection port to the Internet network and the connection terminal to the telephone, the switch request signal is transmitted to the router device. When received
The router device notifies the hold tone to the first IP telephone communication partner via the Internet;
When the router device recognizes that the dial number notified from the telephone is an IP phone call, the router device switches the call from the first IP phone communication to the second IP phone communication. The call control method according to claim 11. In a situation where the telephone is performing IP telephone communication with an IP telephone call partner via the connection port to the Internet network and the connection port to the telephone, when the router device receives the switching request signal,
The router device notifies the IP phone communication partner of the hold tone via the Internet network;
12. The router apparatus switches a call from the IP telephone communication to a subscriber telephone communication when the router apparatus recognizes that a dial number notified from the telephone is a calling telephone call. Call control method. When the router device receives the switching request signal in a situation where the telephone is performing subscriber telephone communication with a subscriber telephone call partner via the connection port to the subscriber telephone network and the connection port to the telephone. ,
The router device notifies the subscriber telephone communication partner of the hold tone via the subscriber telephone network,
12. The router device switches a call from the subscriber telephone communication to the IP telephone communication when the router apparatus recognizes that a dial number notified from the telephone is an IP telephone call. Call control method. In a situation where the telephone is performing a first subscriber telephone communication with a first subscriber telephone call partner via a connection port to the subscriber telephone network and a connection port to the telephone, the switch request signal is sent to the router. When the device receives
The router device notifies the hold tone to the first subscriber telephone communication partner via the subscriber telephone network;
When the router device recognizes that the dial number notified from the telephone is outgoing telephone call, the router device performs call switching from the first subscriber telephone communication to the second subscriber telephone communication. The call control method according to claim 11.

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