Terminal-to-terminal communication connection control method using IP transfer network
2 Assignments
0 Petitions
Accused Products
Abstract
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.
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Citations
479 Claims
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1-466. -466. (canceled)
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467. A terminal-to-terminal communication connection control method with employment of an IP transfer network wherein:
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in a case of inputting an IP packet receiving relay control section Y of IP transfer network Y from IP transfer network X which is operated by a communication company X to IP transfer network Y which is operated by a communication company Y;
when IP packet is received, said relay control section Y inquires for a telephone number server and obtains an IP address of another relay control section Z of IP transfer network which relates to a connection for a receiver telephone number including in said IP packet; and
an IP packet set said obtained IP address is transferred to another relay control section Z.
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468. A terminal-to-terminal communication control method, wherein an IP transfer network is connected to a terminal via a communication line, said IP transfer network communicates with said terminal by using an IP packet and has a server, said server has a function to specify an IP address for communicating with a destination terminal based on a telephone number of said destination terminal, said IP transfer network is connected to a gateway being a public switched telephone network, said public switched telephone network is connected to a telephone machine, and a telephone communication between said terminal and said telephone machine is carries out via said communication line, said IP transfer network, said gateway and said public switched telephone network,
wherein said server specifies an IP address of said telephone machine based on said telephone number thereof, and said IP transfer network carries out a call control between said terminal and said gateway, and registers a record including at least a telephone number, a communication start time and a communication end time.
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473. A terminal-to-terminal communication control method, wherein an IP transfer network is connected to a terminal via a communication line, said IP transfer network communicates with said terminal by using an IP packet and has a server, said server has a function to specify an IP address for communicating with a destination terminal based on telephone number of said destination terminal, said IP transfer network is connected to a gateway being a public switched telephone network, said public switched telephone network is connected to a telephone machine, and a telephone communication between said terminal and said telephone machine is carried out via said communication line, said IP transfer network, said gateway and said public switched telephone network,
wherein said server specifies an IP address of said telephone machine based on said telephone number thereof, and said IP transfer network includes a step to carry out a call setting between said terminal and said gateway and a step which said terminal communicates with said telephone machine, and said server registers a record including at least a telephone number, a communication start time and a communication end time.
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476. A terminal-to-terminal communication control method,
wherein an IP transfer network has two or more apparatus, said apparatus are respectively connected to terminals via communication lines, said apparatus communicate with said terminals by using an IP packet, said IP transfer network includes an information corresponding to telephone numbers and IP address, a communication between said terminals is carried out via said apparatus and said IP transfer network by using internet protocol, and a telephone communication between said terminals is carried by using a response confirmation message, and at least a telephone number, a communication start time and a communication end time are registered as a record.
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477. A terminal-to-terminal communication control method,
wherein an IP transfer network has two or more apparatus, said apparatus are respectively connected to terminals via communication lines, said apparatus communicate with said terminals by using an IP packet, said IP transfer network includes a server, said server has a function to specify an IP address for communicating with a destination terminal based on a telephone number thereof, a communication between said terminals is carried out by using an internet protocol via said apparatus and said IP transfer network, said server specifies said IP address for communicating with a telephone bases on a telephone number thereof, and a telephone communication including a response confirmation message is carried out between said terminals, and at least a telephone number, a communication start time and a communication end time are registered as a record.
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479. A gateway including a signaling point having a point identifier, and having a function to convert a signal of a public switched telephone network into an IP packet and to convert the IP packet into the signal of the public switched telephone network, wherein
the gateway is connected to the public switched telephone network and is connected to an IP communication network, telephone machines are connected to the public switched telephone network and terminals are connected to an IP communication network, the public switched telephone network receives a telephone number of the terminal to select the signaling point and to communicate by using the point identifier based on the telephone number of the terminal sent from the telephone machine, an IP address for communicating with the terminal is specified based on the telephone number of the received terminal, and the gateway receives a signal sent from telephone machine via the public switched telephone network, converts the signal into the IP packet by using the IP address based on the received signal and sends if to the terminal.
Specification