Terminal-to-terminal communication connection control method using IP transfer network
View Patent ↗Both a connection server and a relay connection server are installed in an IP transfer network; a function similar to a line connection control of a subscriber exchanger is applied to a connection server; a function similar to a line connection control of a relay exchanger is applied to the relay connection server; and a terminal-to-terminal communication connection control method with using the IP transfer network is realized in such a manner that a telephone set and a terminal such as an IP terminal and a video terminal transmit/receive an initial address message, an address completion message, a call pass message, a response message, a release message and a release completion message, which can be made in a 1-to-1 correspondence relationship with line connection control messages of the common line signal system. Furthermore, while an address administration table is set to a network node apparatus of an IP transfer network, means for registering addresses of the terminals into this address administration table is employed, so that an IP packet communication by a multicast manner can be realized with improving information security performance.
1. A communication system, wherein: a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , a server S 1 receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , and said server S 1 forms a message 1 based on said telephone number or host name of said terminal T 2 and said connection request and sends said message 1 to a server S 2 , said server S 2 sends a receiver notification to said terminal T 2 and receives a call-on notification from said terminal T 2 , and said server S 2 forms a message 2 based on said call-on notification and sends said message 2 to said server S 1 , said server S 2 receives a response notification from said terminal T 2 , and said server S 2 forms a message 3 based on said response notification and sends said message 3 to said server S 1 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , and said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and said server S 1 forms a message 4 based on a communication release request sent from said terminal T 1 and sends said message 4 to said server S 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
2. A communication system, wherein: a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , a server S 1 receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , a server S 2 sends a receiver notification to said terminal T 2 and receives a call-on notification from said terminal T 2 , and said server S 2 receives a response notification from said terminal T 2 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and based on a communication release request which is sent from said terminal T 1 or T 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
3. A communication system, wherein: a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , a server S 1 receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , and a server S 2 receives a call-on notification from said terminal T 2 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , and said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and based on a communication release request which is sent from said terminal T 1 or T 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
4. The communication system according to claim 3 , wherein: said communication system is connected to a public switched telephone network, and said network node apparatus N 1 receives said voice or data from said terminal T 1 and sends said voice or data to a telephone connected to said public switched telephone network, via said public switched telephone network.
5. The communication system according to claim 3 , wherein: said call-on notification is not sent to said server S 2 from said terminal T 2 .
6. The communication system according to claim 3 , wherein: a communication start time and a communication end time are recorded at said server S 1 or S 2 .
7. The communication system according to claim 3 , wherein: a line administration table is contained in said server S 1 or S 2 , and said telephone number or host name, a communication start time and a communication end time are recorded at said line administration table.
8. The communication system according to claim 3 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , a gateway G 2 substituted for said terminal T 2 is connected to said communication line L 2 , a wireless sending and receiving section B 2 is connected to said gateway G 2 via a wireless interface conversion section IF 2 , and a terminal M 2 is connected to a terminal accommodation wireless apparatus R 2 , a wireless interface conversion section RIF 2 and a wireless sending and receiving section RB 2 are included in said terminal accommodation wireless apparatus R 2 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal M 2 via said communication path P 12 , said network node apparatus N 2 and a wireless communication path RL 2 .
9. The communication system according to claim 3 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal T 2 via said communication path P 12 and said network node apparatus N 2 .
10. The communication system according to claim 9 , wherein: said call-on notification is not sent to said server S 2 from said terminal T 2 .
11. A communication system, wherein: a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , a server S 1 receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and based on a communication release request which is sent from said terminal T 1 or T 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
12. The communication system according to claim 11 , wherein: said communication system is connected to a public switched telephone network, and said network node apparatus N 1 receives said voice or data from said terminal T 1 and sends said voice or data to a telephone connected to said public switched telephone network, via said public switched telephone network.
13. The communication system according to claim 11 , wherein: a communication start time and a communication end time are recorded at said server S 1 or S 2 .
14. The communication system according to claim 11 , wherein: a line administration table is contained in said server S 1 or S 2 , and said telephone number or host name, a communication start time and a communication end time are recorded at said line administration table.
15. The communication system according to claim 11 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , a gateway G 2 substituted for said terminal T 2 is connected to said communication line L 2 , a wireless sending and receiving section B 2 is connected to said gateway G 2 via a wireless interface conversion section IF 2 , and a terminal M 2 is connected to a terminal accommodation wireless apparatus R 2 , a wireless interface conversion section RIF 2 and a wireless sending and receiving section RB 2 are included in said terminal accommodation wireless apparatus R 2 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal M 2 via said communication path P 12 , said network node apparatus N 2 and a wireless communication path RL 2 .
16. The communication system according to claim 11 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal T 2 via said communication path P 12 and said network node apparatus N 2 .
17. A communication system, wherein: an integrated IP transfer network includes plural network node apparatus, a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , said integrated IP transfer network receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , and said integrated IP transfer network receives a call-on notification from said terminal T 2 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and based on a communication release request which is sent from said terminal T 1 or T 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
18. The communication system according to claim 17 , wherein: said call-on notification is not sent to said integrated IP transfer network from said terminal T 2 .
19. The communication system according to claim 17 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , a gateway G 2 substituted for said terminal T 2 is connected to said communication line L 2 , a wireless sending and receiving section B 2 is connected to said gateway G 2 via a wireless interface conversion section IF 2 , and a terminal M 2 is connected to a terminal accommodation wireless apparatus R 2 , a wireless interface conversion section RIF 2 and a wireless sending and receiving section RB 2 are included in said terminal accommodation wireless apparatus R 2 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal M 2 via said communication path P 12 , said network node apparatus N 2 and a wireless communication path RL 2 .
20. The communication system according to claim 17 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal T 2 via said communication path P 12 and said network node apparatus N 2 .
21. The communication system according to claim 20 , wherein: said call-on notification is not sent to said integrated IP transfer network from said terminal T 2 .
22. A communication system, wherein: an integrated IP transfer network includes plural network node apparatus, a terminal T 1 is connected to a network node apparatus N 1 by a logical terminal LP 1 via a communication line L 1 , and a terminal T 2 is connected to a network node apparatus N 2 by a logical terminal LP 2 via a communication line L 2 , said integrated IP transfer network receives a telephone number or a host name of said terminal T 2 and a connection request from said terminal T 1 , said network node apparatus N 1 sets a communication record R 1 , said network node apparatus N 2 sets a communication record R 2 , and then a communication path P 12 in which an internal packet is transferred, is set between said logical terminals LP 1 and LP 2 , an external IP packet, including voice or data, sent from said terminal T 1 is inputted to said network node apparatus N 1 from said logical terminal LP 1 , and said network node apparatus N 1 inspects whether said communication record R 1 exists or not, based on an information to discriminate said logical terminal LP 1 and a destination IP address of said external IP packet, in case of finding said communication record R 1 , said network node apparatus N 1 converts, based on said communication record R 1 , said external IP packet into said internal packet which contains said external IP packet, said internal packet is transferred in said communication path P 12 , said external IP packet restored at said network node apparatus N 2 is sent to said terminal T 2 from said logical terminal LP 2 , and based on a communication release request which is sent from said terminal T 1 or T 2 , said network node apparatus N 1 and N 2 reset said communication records R 1 and R 2 , and then said communication path P 12 is reset.
23. The communication system according to claim 22 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , a gateway G 2 substituted for said terminal T 2 is connected to said communication line L 2 , a wireless sending and receiving section B 2 is connected to said gateway G 2 via a wireless interface conversion section IF 2 , and a terminal M 2 is connected to a terminal accommodation wireless apparatus R 2 , a wireless interface conversion section RIF 2 and a wireless sending and receiving section RB 2 are included in said terminal accommodation wireless apparatus R 2 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal M 2 via said communication path P 12 , said network node apparatus N 2 and a wireless communication path RL 2 .
24. The communication system according to claim 22 , wherein: a gateway G 1 substituted for said terminal T 1 is connected to said communication line L 1 , a wireless sending and receiving section B 1 is connected to said gateway G 1 via a wireless interface conversion section IF 1 , and a terminal M 1 is connected to a terminal accommodation wireless apparatus R 1 , a wireless interface conversion section RIF 1 and a wireless sending and receiving section RB 1 are included in said terminal accommodation wireless apparatus R 1 , and said network node apparatus N 1 receives said voice or data from said terminal M 1 via a wireless communication path RL 1 and sends said voice or data to said terminal T 2 via said communication path P 12 and said network node apparatus N 2 .