EP1595389A1 - Procede de telechargement de melodie sur reseau telephonique commute - Google Patents
Procede de telechargement de melodie sur reseau telephonique commuteInfo
- Publication number
- EP1595389A1 EP1595389A1 EP04704634A EP04704634A EP1595389A1 EP 1595389 A1 EP1595389 A1 EP 1595389A1 EP 04704634 A EP04704634 A EP 04704634A EP 04704634 A EP04704634 A EP 04704634A EP 1595389 A1 EP1595389 A1 EP 1595389A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- melody
- server
- digital
- analog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
- H04M19/041—Encoding the ringing signal, i.e. providing distinctive or selective ringing capability
Definitions
- the present invention relates to the field of digital wireless communication on the PSTN switched telephone network, and more particularly to a melody download method for terminals following a DECT type protocol.
- the personalization of its DECT telephone terminal by downloading from a dedicated server can currently be done according to a digital message exchange protocol such as for example SMS (Short Message Service) according to the ETSI ES 201 912 standard, using a speed modem limited to 1200 bits / s.
- Classic melodies generally require little more than 400 bytes, or a maximum of 3 SMS messages of 160 bytes. This generates for the user a maximum cost of around 45 cents which is acceptable.
- polyphonic melodies are much more elaborate and require around 4 KB per second of melody. This type of melody can indeed contain, for example, 16 notes simultaneously played with 12 different instruments.
- DECT telephone terminals can therefore certainly allow downloading of conventional melodies by means of one to three SMS, but they do not allow downloading of a polyphonic melody at a reasonable cost.
- the object of the present invention is therefore to eliminate one or more of the drawbacks of the prior art by defining a melody download method suitable for DECT type terminals.
- the invention relates to a melody download method on a PSTN switched telephone network for terminals equipped with low speed modems (for example of the DECT type), implementing at at least one melody server connected to the PSTN network, characterized in that it comprises: a step of connection between the melody server and a telephone terminal connected to the PSTN network, - a step of preparing the terminal for reception of a signal audio, by sending according to a digital communication protocol from the server characteristic parameters of the melody, a terminal switching step, programmed during said preparation step, during which the digital communication protocol of the modem goes into a mode analog communication with the PSTN network, a step of transmitting from the server an analog signal representative of a melody to said telephone terminal, - a step of storing in a memory available to the telephone terminal data representative of the signal transmitted by the server.
- said analog signal is representative of a polyphonic melody.
- digital communication between terminal and server is carried out according to a half duplex digital transmission protocol (for example of the SMS type).
- the analog signal is transformed into digital data by a CODEC of the terminal.
- the terminal returns to digital communication mode with the server, after reception and storage of data representative of the signal transmitted by the server, and signals to the latter the end of reception of the signal.
- the server gives a disconnection instruction to the terminal after the latter has sent an acknowledgment of receipt of the analog signal.
- At least one melody from the server is selected by a user from a means of access to the melody server by selection with means of navigation of this means of access of at least one parameter. identification of said melody proposed in a melody menu.
- said means of access to the server is the DECT type telephone terminal.
- connection is made by means of a modem with a speed less than or equal to 1200 bit / s of V23 or Bell type, from the telephone terminal.
- the signal representative of the melody is transformed into digital data by a CODEC of the telephone terminal, said digital data then being compressed in a format compacted by compression means and subsequently stored in a memory of the terminal.
- the step of transmitting the analog signal to the DECT type terminal is initiated by sending from said terminal a short SMS message comprising at least information on the chosen melody
- the step of transmitting the analog signal to the DECT type terminal is initiated by the server, following the reception by said server of at least one parameter for designating said melody and a parameter for identification of the DECT type terminal sent from a third-party terminal.
- the server is called directly by the terminal by activating a number of the melody server configured in said terminal.
- the terminal transmits through a radio transmission channel the data representative of the signal received from the server after digitization by the terminal to a radio telephone handset associated with the terminal, said handset storing this data in a memory.
- the steps of connection to the server and transmission of the analog signal are activated by means of a melody download functionality of the DECT type terminal.
- a melody command to be supplied to a DECT type terminal is carried out by said means of access to the server, by sending melody identification data to the server, the server then calling said terminal and downloading the melody ordered.
- sound reproduction means of said terminal generate a sound corresponding to the melody from data representative of the signal transmitted by the server stored in the telephone terminal.
- Another object of the invention is to provide a solution to one or more of the problems encountered in the prior art by defining a melody server computer system comprising functions analogous to a conventional SMS server for providing polyphonic melodies according to the standardized SMS transmission protocol.
- a server computer system connected to the PSTN switched telephone network suitable for implementing the melody download method comprising first means for storing data representative of polyphonic melodies and second means for storing authorized numbers, characterized in that it comprises: means of caller identification establishing via the PSTN network a connection only with an authorized terminal, first means of communication providing to an authorized terminal, according to the protocol for transmitting digital messages of SMS type, instructions and relative parameters when downloading the melody from data stored in said first storage means, second communication means supplying the authorized terminal with an analog signal originating from data stored in said first storage means, means for transmitting a switching signal passing the authorized terminal of the digital communication protocol with modem in an analog communication mode with the PSTN network, - means for identifying a melody from at least one identification parameter. an order management program launching in particular the downloading of melody to the terminal.
- said first storage means comprise means for storing melodies in analog form.
- said first storage means comprise means for storing melodies in digital form and a module for converting digital data into analog signals.
- a final object of the invention is to propose a terminal allowing the implementation of the method and its use with the server computer system.
- This object is achieved by a telephone terminal adapted to a connection to a switched PSTN network and having at least one radio handset for communication with said terminal, suitable for implementing the method, comprising means for reception and transmission.
- a modem with a speed less than or equal to 1200 bit / s and means for receiving analog audio signals, characterized in that it comprises: means for detecting a switching signal effecting the passage of reception in digital mode on reception in analog mode for a determined duration, the value of which has been previously stored in a memory or a counter, the determined duration being fixed by the content of a digital message received beforehand; and means for recommencing at the end of the duration determined in digital reception and transmission mode.
- FIG. 1 schematically represents a process of simultaneous ordering and reception a melody enabled by the invention
- FIG. 2 represents a diagram of the local network connected to a melody supplier server
- FIG. 3 represents in the form of functional block diagrams the base and a handset of the local network which can be connected to the melody supplier server
- FIG. 4 schematically represents a type of connection according to the invention in which the terminal used to control the melody and the terminal receiving the melody are different.
- FIG. 5 schematically represents an example of a melody control process by a terminal
- FIG. 6 schematically represents an example of a melody sending process by a melody supplier server.
- the local radio telephone network (4) represented in FIG. 2, comprises a radio telephone base 1, for example DECT or the like, and an associated radio telephone handset (10), intended to communicate with the base (1) through a radio transmission channel.
- the base (1) is conventionally connected to the PSTN switched telephone network (6).
- a melody supplier or server computer system (2) is connected to the PSTN switched telephone network (6).
- This computer system comprises first storage means (21) for storing data representative of melodies, second storage means (22) for storing authorized numbers for accessing the melodies and a management program (20) for the commands serving including launching a melody download.
- polyphonic melodies are stored in the first storage means (21) of the server (2).
- This computer system comprises, for example, caller identification means for establishing a connection only with an authorized terminal, that is to say the number of which is stored in said second storage means (22). These authorized numbers can of course be regularly updated.
- the melody download method according to the invention can be carried out directly between a telephone terminal (1) of the DECT type and the server system (2) of polyphonic melody.
- the downloading process notably involves a connection step (51) between the server (2) and the telephone terminal (1), a step of preparing the terminal (1) for the reception of an audio signal, a switching step programmed during said preparation step to switch from the communication protocol by digital messages, for example of the SMS type, in analog communication mode, then a step of transmission (55) from the server (2) of an analog signal representative a polyphonic melody to said terminal (1).
- a step of storing data representative of the signal transmitted by the server (2) in a memory available to the telephone terminal (1) allows the terminal to keep the downloaded melody.
- the terminal (1) and the server (2) are for example compatible with the ETSI standard ES 201 912 so as to allow in particular the transmission of characteristic parameters of melodies by SMS messages from the server (2).
- the server (2) of polyphonic melodies can therefore include the same functionalities as a conventional server providing SMS messages. Thereafter, the use of the term message will refer to a message conforming to a digital communication protocol of SMS type or other.
- the characteristic parameters of melodies allow in particular to indicate an identification and the duration of a melody.
- the server can also transmit to the terminal (1) an order used to prepare the terminal (1) to receive the melody in the appropriate communication mode and to switch to this mode at the right time.
- the terminal (1) At the end of the transmission step (55), after an interval of time substantially equal to the duration of the melody, the terminal (1) returns to digital communication mode by message with the server (2) and can signify to the latter the end of reception of the signal. During this time interval, the data representative of the signal transmitted by the server (2) have been received and stored by the terminal (1).
- the process according to the invention begins with a call step (50) with a “CALL” message composed from the DECT telephone terminal (1) to the server (2) offering the service control of a melody.
- the melody for example polyphonic, can be chosen by the user by means of a short SMS message to the server (2) mentioning at least one melody identification parameter.
- the DECT terminal (1) sends in step (52) a message containing data identifying the melody chosen by the 'user.
- the title or a specific number of the melody can be used as an identification parameter.
- the server (2) supplies in response (53) an acknowledgment message ACK which can indicate as a parameter the duration of the polyphonic melody to be sampled.
- step (54) of transmitting the acknowledgment message "ACK" supplied by the terminal (1) to signify to the server (2) the good reception of the duration parameter the server transmits in step (55) AUDIO melody voice data transmitted in the form of an analog signal by the PSTN network (6) to the terminal (1).
- the terminal (1) receives the analog signal for the time indicated by the duration parameter and then notifies the server (2) during step (56) of the end of reception (56) of the melody signal by an acknowledgment message "ACK".
- the server (2) indicates to the terminal (1) during step (57) the end of the communication by a “RELEASE” message.
- FIG. 3 shows a DECT type telephone apparatus with its base (1) connected to the PSTN network (6) and an associated handset (10) communicating with this by a radio link of short range and low power, for example of the order of 300 meters.
- the base (1) comprises, in a conventional manner, an interface (16) for connection to an external telephone network, here the PSTN network (6), a central control unit (17), a power supply source (3) , a radio transmission and reception block (1 1), storage means (13) of configuration files and a menu tree each allowing a selection of operations, and a user interface block (12 ) which may include keys or a keyboard and possibly a graphical interface.
- the central control unit (17) performs a controller function by a microprocessor or a microcontroller.
- This central block also includes a DSP (Digital Signal Process, not shown) part.
- the radio transmission and reception unit (1 1) is arranged to transmit and receive data, through radio transmission channels, according to the DECT protocol.
- the user interface block (12) is connected to the storage means (13) of the menus and can be arranged to control the display of information, in particular information, by radio transmission. menus, on a screen (102) of the handset (10).
- This user interface block (12) also makes it possible to interpret the commands entered by a user using the handset (10).
- the handset (10) comprises in known manner a radio transmission and reception unit (100), a central control unit (107) and a man-machine interface.
- This human-machine interface of the handset (10) comprises an input keyboard (101), a display screen (102), a microphone (103) and a loudspeaker (105).
- the microphone (103) and the speaker (105) are respectively connected to an analog / digital ADC converter (104) and to a digital / analog DAC converter (106) for converting the analog signals respectively received by the microphone or emitted by the loudspeaker in digital signals for the radio unit (100).
- the server (2) can be called directly from the handset (10) by dialing a number from the polyphonic melody server (2), this number being configured in one of the menus stored in the storage means (13).
- the steps of connection (51) to the server (2) and transmission (55) of the analog signal are for example activated by means of a melody download functionality, the program of which is stored on the telephone terminal of the type PS.
- the input keyboard (101) of the handset (10) can conventionally include standard telephone keys, a command key for displaying a main menu and navigation keys in the menu tree, in order to access in particular to this melody download feature.
- the central control unit (107) comprises for example a microprocessor, to which all the elements of the handset (10) are connected, and is arranged to control the operation of the handset (10). It can be envisaged in a variant to use a microcontroller to replace the microprocessor.
- the base (1) is equipped with a V23 type modem (140), the speed of which is limited to 1200 bits / s.
- This modem (140) makes it possible to establish a connection with a conventional SMS server and to receive SMS.
- this modem (140) allows direct exchanges between the base (1) and the server (2) of polyphonic melody, according to the short message transmission protocol SMS defined by the ETSI standard.
- the V23 modem (140) also provides a caller ID function called "CLIP" (Calling Line Identification Presentation) so as to recognize the caller number.
- the terminal (1) transmits through a radio transmission channel the digitized data representative of the analog signal corresponding to a melody to a radio telephone handset (10) associated with the terminal (1), said combined (10) storing this data in an erasable memory or not (not shown).
- the interface (16) for connection to the PSTN network (6) of the base (1) is connected to a connection block (14) incorporating the V23 type modem (140) and an encoder decoder or CODEC circuit (141), for example of AUDIO DECT type, used to digitize the incoming data.
- a module (15) DTMF (Dual Tone Multifrequency Signaling) for detecting a tone also receives the signals from the connection block, in particular, among other functions, detecting the command control signal from digital reception mode to analog reception mode.
- the microcontroller of the central control unit (17) of the base (1) comprises a module allowing the identification and the transmission by the modem (140) of the calling number between two trains ringing tone. This allows a call from the melody server (2) to be recognized and communication to be established automatically by SMS-type messages.
- FIGS 4 and 5 illustrate the possibility allowed by the invention to control a melody, for example a polyphonic melody, by a third party terminal (8).
- This third-party terminal (8) is constituted by a means of access to the server (2) of polyphonic melody, for example a computer connected to the PSTN network via the Internet, a mobile or landline telephone, or any other means of access compatible with the sending data by SMS messages according to the ETSI ES 201 912 standard.
- a polyphonic melody stored in the first storage means (21) of the server (2) can be selected from a melody menu by a user from this third-party terminal (8 ), by selection with navigation means of this third-party terminal (8) cooperating with a program module (80) of a parameter for designating the chosen polyphonic melody, the navigation means of this third-party terminal (8) allow '' add to this designation parameter, an identification parameter of the DECT type telephone to which the melody is intended. It can simply be the telephone number of the DECT type telephone.
- a user uses the third-party terminal (8) to control the melody, by calling in step (70) the server (2).
- step (71) of establishing the connection by an “ESTABLISH” message from the server (2) the parameters for designating the polyphonic melody and identifying the DECT type telephone previously entered by the the user are sent to the next step (72) in an SMS type message to the server (2).
- the latter provides in step (73) an acknowledgment message "ACK” and the program module (80) of the third-party terminal (8) can transmit in step (74) the disconnection instruction by a message "RELEASE ".
- the management program (20) for server commands (2) can then use the parameters supplied during the command to send the polyphonic melody extracted from the first storage means (21) according to the user's choice at the terminal.
- the step of transmitting the analog signal representative of the melody to the base (1) of the DECT type terminal is initiated by the server (2), which generates a call (700) to the base ( 1).
- the polyphonic melody server (2) After the step (710) of establishing the connection by the message “ESTABLISH” signified by the base (1), the polyphonic melody server (2) provides (75) in the digital message exchange protocol one or several parameters, in particular characteristics of the polyphonic melody to be downloaded, for example the title and data representative of the duration of the melody or other relevant parameters making it possible to identify and sample the melody.
- the terminal (1) waits for reception and the commanded polyphonic melody is sent (77) by the server (2 ) as an analog signal on the telephone line.
- the end of reception (78) and sending disconnection setpoint or RELEASE (79) steps complete the process.
- the server (2) When sending (77) the analog signal corresponding to the polyphonic melody, the server (2) sends a start signal called melody START to trigger as a result of the detection of this signal by the DTMF module (15) of the base (1) a switchover in the connection block (14) of reception by modem of type V23 (140) in reception by the CODEC circuit (141), this switchover taking place substantially at the time of the transmission of the "START ".
- This “START” signal can for example be detected by means of a DTMF tone.
- the switching order can be initiated by the server (2) during step (75) during which the characteristic parameters of the melody are transmitted by message to the terminal (1).
- the duration parameter allows the base (1) to maintain reception of the signal by the CODEC (141) connected to the telephone line for an interval of time just sufficient to acquire the entirety of the melody.
- the analog signal of the polyphonic melody is transformed by the CODEC (141) into digital data in a compacted format, for example ADPCM (Adaptive Delta Inc. Code Modulation), to then be stored in an erasable memory (130) or not of the base (1), for example a FLASH type memory or other memory incorporated in the storage means (13) of the base (1).
- ADPCM Adaptive Delta Fre Code Modulation
- the compacting of the digitized data can be carried out by an intermediate compression block (not shown).
- the data representative of the polyphonic melody transmitted by the server (2), thus stored in the base (1) of the telephone terminal, can be used by means of sound reproduction of the terminal to generate a sound corresponding to the polyphonic melody or transmitted by the half-duplex radio link to the radio telephone handset (10).
- the user wishing to order a polyphonic melody from the server (2) must call a chargeable access number. Billing for the download can then simply be done by this call.
- the user can call the server from the DECT type terminal for simultaneously controlling and receiving the polyphonic melody of his choice or else making this call from a third-party terminal (8) for melody control.
- the melody server computer system (2) used in the invention comprises first communication means (23), for example compatible with the ETSI standard ES 201 912, for supplying to an authorized terminal, according to the transmission protocol SMS-type messages, to provide instructions and parameters relating to the downloading of the melody and second communication means (24) to provide the authorized terminal with an analog signal originating from data stored in said first storage means (21).
- first communication means for example compatible with the ETSI standard ES 201 912, for supplying to an authorized terminal, according to the transmission protocol SMS-type messages, to provide instructions and parameters relating to the downloading of the melody
- second communication means (24) to provide the authorized terminal with an analog signal originating from data stored in said first storage means (21).
- the computer system further comprises means (not shown) for transmitting a switching signal for switching the authorized terminal from the digital communication protocol with modem (140) to an analog communication mode with the PSTN network (6).
- a switching signal can also be sent to trigger the reverse switching, the time necessary for the reception of the melody being for example determined between two switching signals originating from the server (2). It is equipped with the CLIP function.
- This computer system also includes means for identifying polyphonic melody from at least one identification parameter that can be sent from a terminal.
- the authorized numbers in the second storage means (22) can be updated at regular intervals, each of the authorized numbers having been stored in response to a polyphonic melody download command.
- the first storage means (21) may include means for storing melodies in analog or digital form or a combination of the two.
- a module for converting digital data into analog signals can be integrated or associated with these first storage means (21).
- two types of protocol can be envisaged for the transmission of the polyphonic melody by SMS to the base (1) of the DECT type terminal. These protocols are preferably protocols 1 and 2 of the standard. ETSI ES 201 912.
- the microcontroller of the central control unit (17) may include means for adapting to these two protocols, one of these two protocols being chosen by selecting a configuration parameter .
- the invention could naturally apply to any type of local radio telephone network, other than DECT.
- One of the advantages of the invention resides in the possibility of downloading polyphonic melodies for a reasonable cost, without major modification made to conventional DECT type terminals.
- Another advantage of the invention lies in taking into account different possibilities of controlling a polyphonic melody for the user.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0302169 | 2003-02-21 | ||
| FR0302169A FR2851711B1 (fr) | 2003-02-21 | 2003-02-21 | Procede de telechargement de melodie sur reseau telephonique commute |
| PCT/FR2004/000148 WO2004084533A1 (fr) | 2003-02-21 | 2004-01-23 | Procede de telechargement de melodie sur reseau telephonique commute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1595389A1 true EP1595389A1 (fr) | 2005-11-16 |
Family
ID=32799501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04704634A Withdrawn EP1595389A1 (fr) | 2003-02-21 | 2004-01-23 | Procede de telechargement de melodie sur reseau telephonique commute |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1595389A1 (fr) |
| CN (1) | CN1810021A (fr) |
| FR (1) | FR2851711B1 (fr) |
| WO (1) | WO2004084533A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134332A (ja) * | 1998-10-26 | 2000-05-12 | J-Phone Tokai Co Ltd | 携帯電話の着信メロディ送り出し装置 |
| JP3982787B2 (ja) * | 1999-10-08 | 2007-09-26 | ヤマハ株式会社 | コンテンツデータ配布方法および電話端末装置 |
| KR100617237B1 (ko) * | 2000-07-31 | 2006-08-31 | 엘지전자 주식회사 | 단문 서비스(sms)를 이용한 멀티미디어 이벤트 발생 방법 |
| US7099457B2 (en) * | 2001-07-17 | 2006-08-29 | Comverse Ltd. | Personal ring tone message indicator |
-
2003
- 2003-02-21 FR FR0302169A patent/FR2851711B1/fr not_active Expired - Fee Related
-
2004
- 2004-01-23 EP EP04704634A patent/EP1595389A1/fr not_active Withdrawn
- 2004-01-23 CN CN 200480007591 patent/CN1810021A/zh active Pending
- 2004-01-23 WO PCT/FR2004/000148 patent/WO2004084533A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004084533A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004084533A1 (fr) | 2004-09-30 |
| FR2851711A1 (fr) | 2004-08-27 |
| CN1810021A (zh) | 2006-07-26 |
| FR2851711B1 (fr) | 2005-04-08 |
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