WO2000027081A1 - Systeme economique de mise en communication de deux terminaux de communication a travers l'internet - Google Patents
Systeme economique de mise en communication de deux terminaux de communication a travers l'internet Download PDFInfo
- Publication number
- WO2000027081A1 WO2000027081A1 PCT/FR1999/002655 FR9902655W WO0027081A1 WO 2000027081 A1 WO2000027081 A1 WO 2000027081A1 FR 9902655 W FR9902655 W FR 9902655W WO 0027081 A1 WO0027081 A1 WO 0027081A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- internet
- computer
- address
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/253—Telephone sets using digital voice transmission
- H04M1/2535—Telephone sets using digital voice transmission adapted for voice communication over an Internet Protocol [IP] network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0024—Services and arrangements where telephone services are combined with data services
- H04M7/0057—Services where the data services network provides a telephone service in addition or as an alternative, e.g. for backup purposes, to the telephone service provided by the telephone services network
Definitions
- a computer network such as the Internet allows interlocutors, equipped with a communication terminal, to communicate with each other in real time.
- a terminal To connect to the Internet, a terminal must have Internet access provided by an access provider. It can be a telephone access, for example by the PSTN network (Switched Telephone Network), or even an access by a local LAN network, such as a corporate network, having its own provider. Internet access. In any case, the cost of long distance communication is much more advantageous over the Internet than over an ordinary telephone network. In the case of telephone access, the interlocutor only pays the cost of telephone communication with the access provider, which is generally carried out locally, and, in the case of access via a local network, communication over the Internet itself is free. In short, the cost advantages of the Internet are extremely important.
- the Internet is a packet switched network, using packet communication protocols such as Transfer Control Protocol (TCP), User Datagram Protocol (UDP), Internet Protocol (IP) Protocol - Internet Protocol) and RTP (Real Time Protocol).
- TCP Transfer Control Protocol
- UDP User Datagram Protocol
- IP Internet Protocol
- RTP Real Time Protocol
- IP Internet Protocol
- a communication terminal not permanently connected to the Internet, has a dynamic IP address, in other words not fixed, on the Internet.
- IP address of a terminal assigned by its access provider, is only valid provisionally Most often, it changes each time the terminal is connected to the Internet.
- each terminal For two terminals to communicate with each other, in real time, over the Internet, each terminal must know the IP address of the other terminal, which is difficult since these IP addresses are temporary and therefore not regular.
- a known solution for allowing interlocutors to chat over the Internet consists of going through a communication server, for example an IRC server (Internet Relay Chat). But this solution is restrictive.
- FR 2 753 862 also discloses a method of connecting, via the Internet, a first and a second telephone apparatus, both connected to a digital line of a telephone network.
- the first device connects to the Internet, by telephone connection to an Internet service provider, obtains an IP address and, while remaining connected to the Internet, transmits its IP address to the second device, through the telephone network, using a second digital line channel B.
- the implementation of the method of FR 2 753 862 assumes that the first device, calling, is connected to a digital telephone line, comprising two data transmission channels B. Indeed, the calling device uses one of the B channels to connect to the Internet and the other B channel to transmit its IP address to the second device, called.
- This solution is therefore only suitable for users of a digital line, of the ISDN (Digital Service Integration Network) type.
- ISDN Digital Service Integration Network
- the present invention provides a solution which is also suitable for communication terminals connected to an ordinary, non-digital telephone line, of the PSTN (Switched Telephone Network) type.
- PSTN Switchched Telephone Network
- the invention relates to a method of establishing communication between at least two communication terminals through a computer network, in which, the two terminals being connected to a telephone network, - the first of the two terminals connects to the computer network and obtains a computer address which it transmits to the second terminal through the telephone network, and - the second terminal connects to the computer network and obtains a computer address which it transmits to the first terminal through the computer network, a process characterized in that - before connecting to the computer network, the first terminal calls the second terminal to through the telephone network and ask him to call him back later,
- the second terminal subsequently calls the first terminal which then transmits its computer address to it, over the telephone network.
- the first terminal after having obtained its computer address, the first terminal remains connected to the computer network, it is notified of the call from the second terminal through the telephone network by a call signal and then temporarily switches to the second terminal to transmit it his computer address through the telephone network.
- the first terminal has a double call signal service, it can use this service to transmit its computer address to the second terminal, while remaining connected to the computer network.
- the invention also relates to a method of connecting at least two communication terminals through a computer network, in which, the two terminals being connected to a telephone network, - the first of the two terminals connects to the computer network and obtains a computer address which it transmits to the second terminal through the telephone network, and
- the second terminal connects to the computer network and obtains a computer address which it transmits to the first terminal through the computer network, a method characterized in that, after having obtained its computer address, the first terminal disconnects from the computer network, to transmit his computer address to the second terminal through the telephone network, then reconnects to the computer network and obtains the same computer address as on the previous connection.
- the first terminal After being disconnected from the computer network, the first terminal calls the second terminal through the telephone network to transmit its computer address to it. It will be emphasized that, in the two methods of the invention, the first terminal transmits its computer address to the second terminal, by an ordinary telephone communication between the two terminals, the establishment of this communication being carried out either by telephone switching, or between disconnection and reconnection of the first terminal to the computer network.
- FIG. 1 shows a diagram of the two terminals and the Internet
- - Figure 2 shows a functional block diagram of one of the communication terminals
- - Figure 3 shows a diagram of the different steps of the communication method, according to a first embodiment
- FIG. 4 shows a diagram of the different steps of the method, according to a second embodiment
- the method of the invention makes it possible to connect two terminals Ti and T 2 , through a packet-switched computer network, in this case the Internet 100.
- Each terminal Tj, T 2 is connected to a telephone network, in this case the switched telephone network PSTN 101, on which it has a telephone call number, and has access to the Internet 100 provided by a supplier.
- Internet access ISP], ISP 2 ISP 2 .
- the two terminals Ti, T 2 being identical, only one will now be described.
- the terminal Tj comprises a line 1 data transmission interface, comprising a modem for connection to the telephone network 101, a man-machine interface 2-7 and, in memory, an application for connecting / disconnecting to the Internet 100, an application of communication through the Internet 100 and an application of communication through the Internet 100, respectively represented by the functional blocks 8, 11 and 12. All these elements are connected to a central control block 13, in the kind a processor, intended to execute the applications and to control the operation of the terminal Ti.
- the man-machine interface comprises a microphone 3 connected to an analog / digital converter (ADC) 2, a loudspeaker 5 connected to a digital / analog converter (DAC) 4, a display screen 6 and an input keyboard 7.
- the input keyboard 7 comprises conventional alphanumeric keys for the telephone keypad as well as a specific key for establishing communication through the Internet 100 intended to trigger the execution of the application (12) for establishing communication through the Internet 100.
- the line 1 interface allows the terminal Tj to communicate through the telephone network 101.
- the Internet connection / disconnection application (8) 100 enables the terminal T ! to connect to the Internet 100, by telephone connection through the telephone network 101 to its access provider FAIi, according to a process, or protocol, of connection, and to disconnect from the Internet 100, according to a process logout.
- the Internet communication application (11) 100 enables the terminal T ! to communicate through the Internet 100 with a corresponding terminal, in real time and bidirectionally, using communication protocols of the Internet 100, in this case the TCP, UDP, IP and RTP protocols.
- the communication application through the Internet 100 consists of a telephony application allowing voice communication between the terminal Tj and a corresponding terminal through the Internet 100.
- the block 11 for communication over the Internet 100 comprises
- the module 9 is intended, on transmission, to decompose the data to be transmitted into data packets and, on reception, to recompose the data from received data packets, according to the Internet TCP, UDP, IP and RTP protocols.
- the compression / decompression module 10 is intended, on transmission, to compress the data to be transmitted and, on reception, to decompress the data received.
- the terminal T b in transmission, compresses the data to be transmitted and breaks it down into data packets, using Internet protocols, and, in reception, recomposes the received data packets in order to recover the transmitted data, and decompresses these.
- each data packet contains a destination computer address and a source computer address on the Internet 100.
- computer address is meant an address on the Internet computer network 100, more commonly called “IP address "(Internet Protocol).
- IP address Internet Protocol
- IP addresses consist of a succession of digits and are used by the Internet 100 to forward data packets to their recipient and sometimes to send them back to their sender.
- a communication terminal, connected to the Internet 100 has its own IP address on the Internet network 100, most often assigned by the Internet service provider 100 of the terminal.
- the IP addresses of communication terminals are generally not fixed, but dynamic, in other words allocated temporarily to the terminals. In other words, a terminal's IP address changes quite often, usually each time the terminal is connected to the Internet 100.
- the application (12) for communication via the Internet 100 allows the terminal Ti to communicate with a corresponding terminal through the Internet 100, according to a communication process which will be more precisely explained in the description of the communication process.
- the communication block 12 includes in particular a module for receiving an IP address and for transmitting it by telephone, intended to receive the IP address of the terminal T 1? after connection of the latter to the Internet 100, and to retransmit it to a corresponding terminal by telephone transmission through the telephone network 101.
- the terminal Tj here has a double call signal service.
- This service provided by the operator. of the telephone network 101, enables the terminal Tj to be informed, during a telephone communication with a first correspondent, of the telephone call of a second correspondent, by the reception of a call signal, and, if necessary, switch temporarily to the second correspondent, putting the first correspondent on hold.
- a user of terminal T In order to communicate with a user of terminal T 2 via the Internet 100, a user of terminal T] enters the telephone call number of terminal T 2 , using the input keyboard 7, and presses the key. communication through the Internet 100.
- the terminal Ti calls the terminal T 2 through the telephone network 101 (step 20). On receipt of this call, the terminal T 2 picks up the telephone line and the two terminals initiate a telephone communication, through the telephone network 101, during which the terminal Tj asks the terminal T 2 if it wants to communicate with it and in real time through the Internet 100 (step 21).
- the terminal T 2 then triggers the execution of its communication application through the Internet 100 and informs the terminal Tj that it agrees to communicate with it through the Internet 100.
- the terminal T 2 In the event of refusal to communicate with the terminal T1 through the Internet 100, the terminal T 2 would inform the terminal Ti thereof and the latter would end the process of establishing communication via the Internet 100 (step 22).
- the terminal T] After having received the agreement from the terminal T 2 , the terminal T] requests the latter to call it later, here a minute later, through the telephone network 101 (step 23), then interrupts the telephone communication by hanging up the telephone line (step 24).
- the calling terminal Ti then connects to the Internet 100, by telephone connection to its access provider FAIj through the telephone network 101, by executing the application 8 for connection / disconnection to the Internet 100 (step 25).
- the terminal Tj obtains and receives an IP address, which will be called "IP address]" subsequently, assigned by the access provider FAIj. After obtaining its IPi address, the terminal T] remains connected to the Internet 100 and waits for the call from the terminal T 2 .
- the terminal T 2 calls the terminal T] through the telephone network 101 one minute after the call from the terminal T] to the terminal T 2 (step 26).
- the terminal Tj being connected to the Internet 100 by telephone link with its ISP access provider 15, its telephone line is occupied. Nevertheless, it is warned of the incoming call from the terminal T 2 by the reception of a call signal (step 27), sent by the inquiry call signal service.
- the terminal Tj After receiving the inquiry call signal, the terminal Tj sends to the access provider FAl ! a specific warning frame, by which the terminal T ! ask the provider ISP] to wait without interrupting their telephone communication, for a fixed period, here for a few minutes.
- the terminal Tj temporarily switches to the calling terminal T 2 in order to establish a telephone communication with it through the telephone network 101 during which the terminal Ti transmits its address IPj to the terminal T 2 (step 28). It will be emphasized that, during the telephone communication between the terminal T] and the terminal T 2 , the terminal Ti puts its access provider FAIi on hold . and therefore remains connected to the Internet 100. Then the terminal T] switches again to the Internet 100 and interrupts the telephone communication with the terminal T 2 .
- the terminal T 2 After obtaining the IPi address of the terminal T h, the terminal T 2 in turn connects to the Internet 100, by telephone connection to its ISP access provider 2 , through the telephone network 101, by executing the application connection / disconnection to the Internet 100 (step 29). Upon connection, it obtains an IP address, which will be called "IP address 2 " later, assigned by the ISP 2 access provider.
- the terminal T 2 After connection to the Internet 100, the terminal T 2 starts communication in real time, through the Internet 100, with the terminal T] by sending it first data packets containing the IP address 2 of the terminal T 2 (step 30). The terminal T 2 thus transmits to the terminal T] its IP address 2 through the Internet 100.
- the two terminals Ti and T 2 now know each other's IP address and can therefore communicate with each other in real time through the Internet 100, exchanging data packets.
- the terminals Tj and T 2 then each emit a signal, here an audible signal, to warn their users that they can communicate with each other through the Internet 100, as with an ordinary telephone.
- the communication between the two terminals Tj and T 2 takes place in a known manner.
- the voice is captured using the microphone 3 then digitized (2) into voice data which is compressed (10) and then packaged (9) before being sent to the Internet 100 which routes the packages at destination.
- the received data packets are recomposed (9) into voice data which are decompressed (10) then converted into analog signals (4) emitted by the loudspeaker 5.
- step 26 the terminal T 2 calls the terminal Tj, while the latter is being connected to the Internet 100 and has not yet obtained an IP address, the terminal Tj temporarily switches to the terminal T 2 by warning the ISP ISP l 5 and asks terminal T 2 to call it back later.
- the terminal Tj cannot connect to the Internet 100 and therefore cannot obtain an IP address, on receiving the call from the terminal T 2 (step 26), it picks up the telephone line and informs the terminal T 2 of his failure to connect to the Internet 100.
- the terminal T] calls the terminal T 2 through the telephone network (step 40) and asks him if he wants to communicate with him through the Internet 100 (step 41).
- the terminal T 2 informs the terminal Tj that it agrees to communicate with it via the Internet 100.
- the terminal Tj requests the terminal T 2 to call it again later, here a minute later, through the telephone network 101 (step 43), then interrupts the telephone communication by hanging up the telephone line (step 44). If the terminal T 2 refuses to communicate via the Internet 100 with the terminal T 15, the latter will end the process of establishing communication via the Internet 100 (step 42).
- the terminal calling T ! then connects to the Internet 100 (step 45) and, by a specific frame of the Internet connection protocol 100, sends a request to its ISP access provider] in order to obtain the same computer address for two connections successive, the pending and the next.
- the terminal Tj obtains and receives an IP address ("IPi address"). Then he disconnects from the Internet 100 (step 46), by interrupting the telephone communication with his access provider FAl ! and consequently releasing its telephone line, and awaits the call from terminal T 2 .
- IPi address IP address
- the terminal T 2 calls the terminal Tj through the telephone network 101 one minute after the call from the terminal T) to the terminal T 2 (step 47).
- the terminal T] picks up the telephone line and the two terminals Ti and T 2 establish a telephone communication, through the telephone network 101, during which the terminal Tj transmits to the terminal T 2 its address IPj .
- the terminal Tj interrupts the telephone communication by hanging up the line.
- the two terminals T] and T 2 then connect to the Internet 100, by telephone connection to their respective access providers FAIi and FAI 2 (steps 49 and 50).
- the terminal Tj obtains and receives, as agreed, the same IPj address as on its previous connection, and the terminal T 2 obtains and receives an IP address ("address ⁇ Y ').
- the terminal T 2 After connection to the Internet 100, the terminal T 2 initiates communication in real time, through the Internet 100, with the terminal T] by sending to the latter first data packets containing the IP address 2 of the terminal T 2 .
- the terminal T 2 thus transmits its IP address 2 to the terminal T] through the Internet 100 (step 51).
- Each terminal Tj and T 2 knowing the IP address of the other terminal, they communicate with each other, in real time, through the Internet 100, by exchanging data packets (step 52) . If, in step 47, the terminal T 2 calls the terminal Tj while the latter is still in communication with the access provider FAI 1? terminal T 2 obtains a busy signal and then decides to call again later.
- the terminal Ti cannot connect to the Internet 100 and therefore cannot obtain an IP address
- the terminal Ti upon receiving the call from the terminal T 2 (step 26), it picks up the telephone line and informs the terminal T 2 of his failure to connect to the Internet 100.
- the calling terminal Tj does not call the terminal T 2 through the telephone network 101 before its first connection to the Internet 100 to obtain the address IPi (step 45).
- the terminal T ! disconnects from the Internet 100 and calls the terminal T 2 through the telephone network 101.
- the terminal Tj asks the terminal T 2 if it wants to communicate with it and in real time through the Internet 100 and, if necessary, transmits its IPi address to it through the telephone network 101.
- the two terminals T ! and T 2 interrupt their telephone communication and connect to the Internet 100, by telephone connection to their access provider FAIi and FAI 2 .
- the terminal Ti obtains and receives the same IPi address.
- the terminal T 2 obtains and receives an IP address 2 which it transmits to the terminal Tj through the Internet 100 by initiating the communication through the Internet 100.
- the terminal Tj calls the terminal T 2 through the telephone network 101, before its first connection to the Internet 100 to obtain the IP address] (step 45), only to ask him if he wants to communicate with him through the Internet 100 and, after having obtained this IPi address, disconnects from the Internet 100 and calls the terminal T 2 again through the telephone network 101 to transmit its IP address to it].
- the terminal Tj could also address its ISP access provider] a request in order to obtain the same IP address for a determined period.
- the access provider FAIj would assign to the terminal Ti, the same IPi address for a plurality of successive connections, insofar as they occur in the predetermined time range.
- the access provider could assign terminal T] the same IP address, implicitly (that is to say without express request from terminal Tj), for several successive connections of the terminal T l 5 insofar as these connections occur within a predetermined time range.
- the communication established through the Internet 100 is a voice communication. It could of course be any other type of communication, in particular a fax communication.
- any other type of telephone network for example wired, cellular or satellite, could be envisaged.
- connection method of the invention could also be used to connect more than two terminals.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0117968A GB2363688B (en) | 1998-10-30 | 1999-10-29 | Economic process for effecting communication between two communication terminals across the internet and associated communication terminal |
DE19983940T DE19983940T1 (de) | 1998-10-30 | 1999-10-29 | Ökonomisches System zum Aufbau einer Kommunikation zwischen zwei Kommunikationsendgeräten über das Internet |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813635A FR2785485B1 (fr) | 1998-10-30 | 1998-10-30 | Procede economique de mise en communication de deux terminaux de communication a travers l'internet et terminal de communication associe |
FR98/13635 | 1998-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000027081A1 true WO2000027081A1 (fr) | 2000-05-11 |
Family
ID=9532178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/002655 WO2000027081A1 (fr) | 1998-10-30 | 1999-10-29 | Systeme economique de mise en communication de deux terminaux de communication a travers l'internet |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE19983940T1 (fr) |
FR (1) | FR2785485B1 (fr) |
GB (1) | GB2363688B (fr) |
WO (1) | WO2000027081A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2350011A (en) * | 1999-01-22 | 2000-11-15 | Sagem | Establishing a communication between two devices using the STN and the Internet |
GB2350012A (en) * | 1999-01-22 | 2000-11-15 | Sagem | Establishing a communication between two devices using the STN and the Internet |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR030802A1 (es) * | 2001-09-24 | 2003-09-03 | Krolovetzky Miguel Horacio | Metodo para la realizacion de una comunicacion directa entre terminales de comunicacion tales como computadoras |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011703A2 (fr) * | 1996-09-16 | 1998-03-19 | Solram Electronics Ltd. | Systeme et procede pour la communication d'informations au moyen du reseau telephonique public commute et d'un reseau longue distance |
FR2753862A1 (fr) * | 1996-09-26 | 1998-03-27 | Tebeka Henri | Procede et systeme de communication interactive entre deux appareils telephoniques via le reseau internet |
-
1998
- 1998-10-30 FR FR9813635A patent/FR2785485B1/fr not_active Expired - Fee Related
-
1999
- 1999-10-29 DE DE19983940T patent/DE19983940T1/de not_active Withdrawn
- 1999-10-29 WO PCT/FR1999/002655 patent/WO2000027081A1/fr active Application Filing
- 1999-10-29 GB GB0117968A patent/GB2363688B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998011703A2 (fr) * | 1996-09-16 | 1998-03-19 | Solram Electronics Ltd. | Systeme et procede pour la communication d'informations au moyen du reseau telephonique public commute et d'un reseau longue distance |
FR2753862A1 (fr) * | 1996-09-26 | 1998-03-27 | Tebeka Henri | Procede et systeme de communication interactive entre deux appareils telephoniques via le reseau internet |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2350011A (en) * | 1999-01-22 | 2000-11-15 | Sagem | Establishing a communication between two devices using the STN and the Internet |
GB2350012A (en) * | 1999-01-22 | 2000-11-15 | Sagem | Establishing a communication between two devices using the STN and the Internet |
GB2350011B (en) * | 1999-01-22 | 2003-07-30 | Sagem | Procedure for establishing a communication across a computer network of the internet type, between two information-transmitting devices |
GB2350012B (en) * | 1999-01-22 | 2003-08-27 | Sagem | Process for establishing communication between two information transmission devices connected to a computer network of the internet type, |
Also Published As
Publication number | Publication date |
---|---|
GB2363688B (en) | 2003-11-19 |
DE19983940T1 (de) | 2002-08-14 |
FR2785485B1 (fr) | 2002-02-15 |
FR2785485A1 (fr) | 2000-05-05 |
GB0117968D0 (en) | 2001-09-19 |
GB2363688A (en) | 2002-01-02 |
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