Method for establishing a communication between an Internet terminal and a telephone and telephone for carrying out this method

In the field of communication, the Internet is a network space for communication between a plurality of remote terminal the Internet each provided with a modem connection to the Internet. Two remote terminals can exchange through the Internet network, slight delay, written messages that appear on the screen each terminal in a dialog window.

Moreover, today there are softphones on the Internet and audio equipment (sound card, speakers and microphone) to Internet terminal offering Internet users the ability to talk to each other by exchanging voice messages. During Voice communication over the Internet between two terminals of the Internet, voice messages are captured by a microphone terminal side transmitter, then converted into vocoded voice data and transmitted to through the Internet network to the receiving terminal and, after Reception receiving terminal side, transformed again into messages voice broadcast by loudspeaker.

Generally, the Internet terminals are connected to the Internet by a private telephone line of a communication network such as the network switched PSTN telephone. In fact, when a terminal is connected to the Internet, the phone line is busy and can not therefore be warned of a possible incoming call from a phone remote.

The invention proposes to establish a communication between a terminal Internet and telephone.

To this end, the invention concerns a method for establishing a communication between, on one side, a terminal of the Internet, with its Internet address, including means of telephone connection network of the Internet, through a telephone line of a network telephone communication, and telephony resources on the Internet with a softphone on the Internet and at least one speaker, and, on the other side, a telephone with access to the Internet, during which process, one of the terminal sides phone and we connects to the Internet and communicates with the other side through the network of the Internet.

Advantageously, in the case where it connects to the Internet side phone, it enters a voice message which is converted into data voice, said voice data is encoded and then transmitted to the the Internet address of the Internet terminal, through the network the Internet, and, in the case where the Internet terminal is connected to the Internet, terminal side, the voice data is received, then decodes it transforms voice message and for communicating with the speaker.

Advantageously, if you connect to the Internet side terminal, is transmitted to the phone, through the Internet, a message short invitation to connect to the Internet to establish a voice communication with the terminal.

Finally, the invention is to emulate a terminal to the Internet using telephone.

The invention also provides a phone for the implementation of method above, comprising encoding and decoding means data, characterized in that it comprises means for performing a telephone connection protocol to the Internet and ways to encoding and data decoding is arranged to code and decode data corresponding to voice communication over the Internet.

The invention will be better understood using the following description of a particular embodiment of the method of establishing a Voice communication between a terminal and an Internet phone and a particular embodiment of the phone and the terminal the Internet with reference to the accompanying drawings wherein:<ul><li>1 shows a functional block diagram of the telephone,</li><li>2 shows a functional block diagram of the terminal the Internet and</li><li>3 shows a diagram of communication networks connecting the phone of Figure 1 and the terminal of the internet of Figure 2.</li></ul>

The telephone 10 shown in Figure 1 is a GSM mobile phone connected to a cellular telephone communication network 102, including a 1 Control block, in this case a microprocessor, Block 2 transmitting and receiving radio equipped with a radio antenna and 3 a man-machine interface.

The man-machine interface comprises a microphone 4, a speaker 5, a keyboard input 6 and a display 7, all of which are 1 connected to the control block, via a converter analog-digital converter (ADC) 4 'for the microphone 4 and a digital-to-analog converter (DAC) 5 'to the speaker 5.

The radio unit 2 is connected to one control block with the interposition of a 8 vocoder and a codec 9 arranged in parallel. The vocoder 8 is provided to encode voice data intended to be transmitted by the radio unit 2 and for decoding voice data received by the radio unit 2, and 9 codec to encode non-voice data to be transmitted by the radio unit 2 for decoding and non-voice data received by the block 2. radio voice and non-voice data means data respectively corresponding to a voice communication and a non-voice communication. The codec 9 and 8 use the vocoder here respectively encoding and voice coding compatible with the Internet here those of the GSM standard. The vocoder 8 is coupled to a block 8 'Management redundancy for adding transmit redundancy bits to vocoded voice data to make the signal robust.

There is also provided a message memory 12 and a memory voice coding 11, both connected to the control unit 1. The memory posts 12 is intended to contain messages received by the phone 10 and 11 voice coding memory is designed to contain one or more voice coding program used by the vocoder 8.

1 The control block includes a softphone that can: <ul><li>run a telephone connection protocol to the Internet in this case PPP ( "Point to Point Protocol" - Point to Point Protocol)</li><li>manage an input interface to be displayed on the display screen 7 and allowing a user to enter information needed to establish a voice communication on the internet, as will be explained in the description of the establishment of a communication on the Internet and</li><li>download from the Internet a data voice coding program voice corresponding to a voice over the Internet 101.</li></ul>

The phone 10 has access to the network of the Internet 101, with Internet address from a provider 103 access network Internet 101.

The input keyboard 6 includes a button to start the implementation of the telephone connection protocol to the Internet 101.

The internet terminal 20 shown in Figure 2 comprises, in order known, a control block 21, in this case a microprocessor, man-machine interface and a modem 22 connecting to the Internet.

The man-machine interface comprises a display screen 23, a input keyboard 24, a microphone 25 and a speaker 26, all connected the microprocessor control 21 via a sound card 27 for the microphone 25 and the speaker 26, 27 being the sound card for converting analog signals into digital data and reciprocally.

The modem 22 connecting to the Internet is for connecting the terminal the Internet 20, by telephone connection, the provider 104 access Internet network 101. The modem 22 is connected to microprocessor 21 and control 29 by a telephone line, a network of call, here the switched telephone network RTC 100. A phone number over the PSTN network 100 is assigned to the line telephone 29 of the terminal 20.

A message memory 28 is also connected to the control block 21.

The control block 21 includes a softphone on the Internet enabling a user of the terminal to communicate vocally, to through the Internet, a user with a remote terminal itself provided with a softphone on the Internet. Softphone is intended in particular:<ul><li>to run the PPP phone connection to the Internet 101,</li><li>coding in transmission and decoding for receiving voice data and non a voice communication through the Internet network 101 and</li><li>to manage an input interface allowing a user to enter information needed to establish a voice communication the Internet.</li></ul>

Coding and vocoding used by the terminal to the Internet 20 are here those of the GSM standard.

The terminal 20 has access to the Internet 101, with an address Internet from a provider 104 to access the Internet.

The establishment of communication between the telephone 10 and the terminal Internet 20 from the telephone 10 will first be described.

Side telephone 10 to establish communication with the user of Internet terminal 20, first called the phone number telephone terminal to the Internet 20. In the event that the terminal Internet 20 is connected to the Internet network 101, the terminal 20 sounds busy.

The classic telephone call attempt failed, we establish a telephone communication with the provider 103 to access the Internet phone 10 and starts the PPP phone connection Internet 101, by pressing the corresponding key on 6 entry.

Furthermore, using the input interface, the microphone 4 and entry keypad 6, Internet addresses were seized from and destination of the communication, ie Internet addresses telephone 10 and terminal 20, and a voice message to be sent the terminal to the Internet 20. The From address, assigned by the ISP 102 to the telephone 10 could be prerecorded in a memory of the telephone 10, and in this case would not be gripped at each communication.

By voice message is meant the words exchanged during a conversation the invention to establish voice communication between the telephone 10 and the terminal 20, similar to a communication regular phone.

the voice message is converted into voice data using the ADC 4 'and the voice data is encoded using the vocoder and 8 are added their redundancy bits with the block 8 '. The data corresponding to Internet addresses of source and destination of the message are also encoded by the codec 9.

The connection of the telephone 10 to the Internet is established, it sends from the phone 10 to the service provider 103, through the BTI communication networks 100 and cell 102, connected to the other, a data packet containing the non-encoded voice data corresponding to Internet addresses of source and destination message and vocoded voice data corresponding to the message Voice in the form of analog signals, under the control of radio unit 3. Under the control of service provider 103, package Data is then transmitted to the vendor's Internet address 104 Access to the Internet terminal to the Internet 20, as indicated by the address Internet terminal 20.

The provider 104 verifies that the terminal 20 is connected to the Internet 101 before transmitting the data packet to the terminal the Internet 20, through the PSTN network 100.

Internet terminal side 20, it receives the data packet, form of analog signals that are demodulated and then decodes data packet. Is recorded in the memory of the 28 posts Internet addresses of source and destination of the voice message. Then, using the sound card, converting the received voice data and decoded into an analog signal corresponding to the voice message transmitted, and it is broadcast with the speaker 5. The user of Internet terminal 20 then hear the voice message.

side terminal 20, another voice message is transmitted in response to the phone 10, through the Internet network 101, using the software Internet telephony.

For this, the voice message is entered, using the input interface, the input keyboard 24 and the microphone 25. It converts the voice message into speech using the sound card. It encodes data not voice corresponding to Internet addresses of origin and destination of the message, which is the terminal address respectively 20 and 10 of the phone, and voice data corresponding to the message memo using softphone. Then modulating these coded data forming a data packet, using the modem 22, before transmitting the data packet to the access provider 104 the terminal 20 through the PSTN 100 telephone network.

After receiving the data packet by the access provider 104, it is responsible for forwarding it to the supplier's Internet address Access 103 phone 10 indicated by the Internet address of the phone 10. The service provider 103 verifies that the phone is 10 connected to the Internet 101 before transmitting the data packet through regular telephone communication networks and PSTN 100 cell 102.

Side telephone 10, receives the data packet, in the form of signals radio that is digitized using the radio block 3. decodes data voice with the vocoder 8 and the non-voice data using the 9. Can codec speaker is broadcast to 26 the received voice message.

In the event, phone 10 side, we know that the telephone line 29 Terminal 20 is exclusively reserved for a terminal connection at 20 Internet network, it connects directly to the Internet to 101 to establish a voice communication with the terminal 20 on the Internet 101, without trying first to call the number to call 20 terminal.

The establishment of communication between the Internet terminal 20 and phone 10 from the terminal to the Internet 20 will now be described.

side terminal 20, it connects to the Internet through the ISP 104, by running the PPP connection telephone to the Internet.

It captures using the input interface and the input keyboard 24 Internet addresses of source and destination of the communication, in this case the address of the terminal 20 and the telephone 10 and a short message, voice here, invitation to connect to the Internet to voice communication through the Internet 101, addressed to the phone 10. From address may be pre-recorded permanently in the terminal. Then, the corresponding data is coded addresses Internet of origin and destination and the message short, all these data forming a data packet. Finally, the packet is transmitted data through the PSTN network 100, to the access provider 104 transmits through the Internet network 101 to the access provider 103 phone 10.

After receiving the data packet by the access provider 103, it transmits to the telephone 10 the data packet that is stored in the message memory 12. In transmitting the short message phone 10, the Internet terminal 20 communicates with the phone 10 through the Internet 101.

Consulting his message memory 12, the user of the telephone 10 becomes aware of the short message and the terminal Internet address Internet 20 then establishes a voice communication with the terminal 20, as explained above.

If the provider of the telephone 10 does not offer the service of transmitting to the phone 10 the short message transmitted Through the Internet, the terminal 20 can transmit the short message to a gateway capable of processing Internet mail messages Phone SMS (Short Message Service - Message Service Short).

One might also consider the format in a short message format recognizable by the phone 10 that induces a call automatically from the phone 10 to the terminal 20, after possibly validation by the user of the telephone 10.

In the case where the vocoding of vocodec 8 of the telephone 10 is not compatible with the voice coding softphone terminal 20, it downloaded to the phone 10 103 from the supplier access Internet telephone 10, a voice coding scheme compatible with the softphone terminal 20, and recorded in the memory vocoding 11.

In the description just given, after failing side telephone 10 in an attempt to call the terminal 20 by the network regular phone 100 attempts to establish voice communication through the Internet 101, by pressing a key on the 6 input keyboard. One could also consider, following the failure of the call attempt traditional telephone, automatically attempt to establish communication between the terminal 20 and the telephone 10 through the Internet, without the user of the telephone 10 noticing.

The terminal may also be connected to a digital network ISDN communication and, in this case, transmitting and receiving signals digital.

In a more sophisticated variant of the phone, it includes a memory containing a terminal including a directory plurality of the internet terminals names which are associated a call number on the telephone network, and one or more, Internet address. To establish communication with a terminal the Internet from the phone, the user indicates the phone name corresponding to join, and the phone automatically attempts to join the correspondent by telephone call number, then if failure by his or her Internet addresses.

It is also conceivable to reverse the order of attempts in first attempting to reach the corresponding Internet then if failure by the telephone network, the order of call attempts by Internet and the telephone network can be selected based cost communications.

The memory devices containing the directory could be contained by example in a SIM card.

In case the provider of the called side offers a unique service type "finger" (pointer) which, on request, whether a terminal with access to the Internet from this supplier is connected, one could consider that the calling side transmits, before try to establish communication, prior request to the supplier side access called to ask if it is connected.

Finally, one could predict that the phone can send to the terminal 10 Internet 20 an invitation message to connect through the Internet 101.