EP1402715A1 - Procede d'echange de donnees entre un appareil de service et un serveur de gestion selon un protocole de gestion sur ip - Google Patents
Procede d'echange de donnees entre un appareil de service et un serveur de gestion selon un protocole de gestion sur ipInfo
- Publication number
- EP1402715A1 EP1402715A1 EP02755077A EP02755077A EP1402715A1 EP 1402715 A1 EP1402715 A1 EP 1402715A1 EP 02755077 A EP02755077 A EP 02755077A EP 02755077 A EP02755077 A EP 02755077A EP 1402715 A1 EP1402715 A1 EP 1402715A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- server
- recovery
- protocol
- session
- exchange
- 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- Withdrawn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 33
- 238000011084 recovery Methods 0.000 claims abstract description 40
- 230000000977 initiatory effect Effects 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004171 remote diagnosis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
Definitions
- the present invention relates to the exchange of data between a service appliance and a management server according to a management protocol based on an Internet type protocol, also called "IP” for "Internet Protocol”.
- IP Internet type protocol
- a management server relates to the exchange and / or transfer of data such as files or alarms between a management server and service devices such as telephones of a public telephone network, payment terminals, terminals applications, parking meters, automatic dispensers or the like.
- a public telephone network generally includes one (or more) central computer or management server, hereinafter called PMS server (acronym of the English term "Payphone Management System”), allowing the operator of the network to operate the supervision of the various public telephones distributed over a given territory of the network.
- PMS server central computer or management server
- the PMS server has the function of exchanging data with the fleet of public telephones via the telephone network.
- public telephones send the PMS server an activity report detailing, for example, the number and amount of transactions.
- Public telephones also communicate in the form of an alarm the eventual occurrence of an event (breakdown, act of vandalism, etc.) requiring the intervention of a maintenance agent.
- the PMS server transfers files, price tables or even program updates to the public telephones operating microprocessors of the telephones, updates improving the programs already in use. place, or even introducing new services for users.
- the present invention overcomes these drawbacks.
- It relates to a method for exchanging data between at least one service appliance and at least one remote management server in accordance with a chosen management protocol.
- the management protocol is based on IP and includes at least one initiation rule to initiate each exchange session and at least one recovery rule to launch a possible recovery in the event of non- outcome of the exchange.
- the management protocol by virtue of its operation over IP, allows sealing against the network and thus allows a client / server dialogue on different types of networks (PSTN, ISDN, Internet). Connection is possible to various and varied networks without changing or adapting the communication protocol between the service devices and the server. Modification of the data structure at the protocol level is easy and avoids modifications to other layers of the IP protocol.
- such a protocol makes it possible to control the exchange of data, in particular with regard to the initiation of the sessions and their possible resumption in the event of failure of the exchange.
- the protocol also makes it possible to work online (on-line) or offline (off-line).
- Such a protocol is advantageously capable of being implemented in a wireless environment of the GSM, CDMA or TDMA type.
- the recovery rule comprises a step according to which the transfer is completely resumed when the device status changes.
- the recovery rule comprises a step according to which the session exchange is resumed at the point of rupture without resuming the part of the exchange already carried out before the rupture.
- the recovery rule is adapted to the work to be carried out by the service device, the importance of the task and its impact.
- the recovery procedure can comprise a step consisting in repeating the recovery attempt indefinitely until the service apparatus is put back into operation and / or a step consisting in delaying the resumption by a chosen period of time and / or a step consisting in resuming the exchange after a triggering of the service device.
- the initiation rule includes the following steps: - i) at the service device, issue a "CONNECT" connection request to the server in accordance with the protocol;
- the management protocol includes a termination procedure comprising the following steps:
- the data to be exchanged between the device and the server are determined by the server.
- FIG. 1 is a schematic view of a public telephone network used for the implementation of the method according to one invention
- FIG. 2 schematically illustrates the hardware architecture of the service devices and of the server into which the management protocol according to the invention is inserted;
- Figure 3 illustrates the steps of initiating a session according to the protocol over IP according to the invention;
- FIG. 4 illustrates the steps of downloading a status file on FTP from the device to the server according to the invention
- FIG. 5 illustrates the steps of uploading files to FTP from the device to the server and downloading files to FTP from the server to the device according to the invention
- FIG. 6 illustrates the steps of a download of alarm files on FTP from the device to the server and a download of configuration files on FTP from the server to the device according to the invention
- FIG. 7 illustrates the steps of uploading files to FTP from the device to the server according to the invention
- FIGS. 11 to 13 represent examples of termination of a session according to the invention.
- a public telephone network 1 which includes a fleet of public telephones 10 (the same fleet may comprise from several tens to several thousand telephones, or even several tens of thousands, depending on the territorial coverage of the network).
- the telephones 10 are intended for use by users, in self-service and are therefore installed for this purpose in public places, such as the street, or semi-public such as shopping centers, airports, hotel halls , restaurants, shops, etc.
- Network 2 can also be constituted by a mobile radiotelephony network, whatever its nature, or by the Internet network or more generally by any communication network capable of transmitting data as well as by any combination of such networks.
- These public telephones 10 can also be adapted to access information or service servers for Web and Internet services as well as information or service servers for service residing on private networks. Such access allows the operator operating network 1, to offer users a wide range of services ranging, for example, and without limitation, from reading their e-mails to consulting local information (list of doctors of the public telephone area, etc.). Obviously, the invention is not limited to public telephones offering such access to the Internet and to private servers.
- PMS Payment Management System
- the PMS server 5 has the function of exchanging with the fleet of public telephones 10 information concerning their operation and more generally the operation of the public telephone system.
- the PMS server 5 manages the initialization sessions of public telephones and establishes statistical data from information received from public telephones 10 (alarms, operating counters, etc.).
- the exchanges between the service devices 10 and the server 5 are in the form REQ request REQ response.
- the public telephones 10 and the PMS server 5 are provided with appropriate means of supervision and of reception / transmission of information. These supervision and reception / transmission means are responsible for organizing the exchange of information between the public telephones 10, the PMS server 5 and an FTP server 4 (File Transfer Protocol), that is to say "protocol of file transfer ".
- FTP server 4 File Transfer Protocol
- the PMS server 5 transfers to the public telephones 10 the files necessary for their operation such as tariff tables, configuration parameters, such as the type of dialing, the characteristics of the line, etc. opposition or monitoring of means of payment used.
- the public telephones 10 transmit information relating to their use, namely a daily report comprising data relating to the transactions carried out, to the traffic, an alarm report which makes it possible to report to the PMS server 5 the occurrence of incidents or damage to their integrity, such as a breakdown on the card reader or a handset torn off, so as to provide for the intervention of a surveillance agent, a status file characterizing the content of the telephone (such as the indications of the different versions of programs used by the microprocessor).
- an FTP server 4 is specifically designed and adapted to file transfers called FTP. From orders received by the PMS server 5, each public telephone 10 which includes an FTP client entity, will connect to the FTP server 4 and download or download appropriate files.
- the public telephones 10 can connect to a PROXY server 6 serving as a communication interface between the public telephones and the PMS server 5.
- the service devices 10 are equipped with communication protocols 12 of the type TCP / IP, and 14 UDP / IP compliant with the technical recommendations of the IETF (Internet Engineering Task Force).
- Each public telephone 10 comprises an operating system 16, a standard interface 18 of "socket” type, a protocol 20 of terminal type or TELNET for "Network Terminal Protocol” and a protocol 22 of FTP client type.
- the client-side PFSP management protocol (for Payphone session protocol) according to the invention is housed in layer 24.
- the service appliance 10 is dedicated to an application 26 of the public telephone type
- the PMS 5 server is equipped with communication protocols 32 of the TCP / IP type, and 34 UDP / IP conforming to technical recommendations from the Internet Engineering Task Force (IETF).
- IETF Internet Engineering Task Force
- the PMS server 5 further comprises an operating system (not shown), a standard interface 38 of "socket” type, a protocol 40 of terminal type or TELNET for "Network Terminal Protocol” and a protocol 42 of FTP server type.
- the server-side PFSP management protocol according to the invention is housed in layer 44.
- the PMS server 5 is dedicated to an application 46 of the public telephone type.
- the PROXY 6 server combines different functions, in particular directing requests from public telephones 10, depending on the nature of these requests, to corresponding servers; if necessary translate the data or instructions transmitted by the telephones 10 into the format of the destination servers; check the syntax of the requests sent by the telephones 10 before retransmission and thus authorize authenticated accesses to the network in order to confer an additional degree of security.
- PROXY server Another function of the PROXY server is to establish reliable and authenticated information exchange sessions which consist, for example, in certain identification of the telephones 10 during an exchange of information with the servers or even in encrypting the data. in order to secure the communication in case of need.
- PROXY 6 server Another function of the PROXY 6 server is to control and regulate the information exchanges carried out via standard file transfers and in accordance with the Internet protocol.
- the PROXY 6 server also has the function of directing requests from public telephones to backup servers, in particular in the event of a server unavailability and ensuring thus a redundancy of architecture.
- the PROXY 6 server is inaccessible as a result in particular of maintenance operations, it is then possible to direct the daily reports of the corresponding public telephones 10 to another management server then available.
- PROXY server 6, the PMS server 5 and the FTP file server 4 instead of being separate machines as in FIG. 1, can be grouped together in a single PC type computer for example, as with reference to Figure 2.
- the establishment of a session managed according to the PFSP management protocol according to the invention is advantageously a session of the TCP / IP type.
- the session is initiated (or initialized) by the device 10 which sends an S-Connect.req message to the PMS server 5 generated by specific programs implemented by the microprocessors equipping the device 10.
- This S-Connect message. req constitutes the connection request, also called "CONNECT”.
- the S-Connect message. req is routed to server 5 via network 2, and interpreted as an S-Connect .ind message.
- the server analyzes the S-Connect message. ind. After analysis, the server 5 sends an S-Connect.res message, which constitutes the server's response to the connection request, also called "ACCEPT", in the event of a positive response.
- the S-Connect.res message is sent to telephone 10 via network 2, and interpreted as an S-Connect .cnf message, confirming the establishment of the TCP / IP session.
- the event triggering the connection of the telephone 10 to the PMS server 5 can be of different types.
- the connection can be initiated manually by a maintenance agent, for example during the installation of a new telephone 10 in the network 1.
- the connection can be triggered automatically following, for example, the occurrence of an alarm (coin meter full , breakdown, vandalism, etc.).
- the alarm can be generated by appropriate monitoring programs.
- the connection can also be triggered automatically for activity reports generated by appropriate supervision programs, reports providing statistics on the activity of the telephone 10 and of the operator signal of the network 1 in order to improve the operation of the latter.
- These supervision programs can publish their activity report at predetermined dates and times or even at times defined by the PMS 5.
- the telephone can also connect to the PMS server 5 following the express request of the latter which has given the order, during a previous call to phone 10 to connect for a given reason: for example for downloading files.
- the CONNECT connection message essentially contains the following information:
- the type of session that is to say the context of the call: remote collection (activity report), downloading (transfer of files to the phone, in general this is a given prior order by the PMS server 5), alarm, etc;
- this signature can be obtained by encryption by means of a DES type cryptographic algorithm or of any other type (RSA for example).
- Telephone 10 then has a list of standard sessions which define a priori the reason for calling telephone 10.
- this call was scheduled during a previous session.
- the PMS server 5 which receives this CONNECT call first of all analyzes it and in particular verifies the authenticity of this call, then sends back an ACCEPT acceptance message which includes, among other data, the date and time. current in order to re-synchronize between the two devices, as well as the time and date of the next scheduled call.
- the PMS server 5 then sends a first request for work to be carried out.
- This demand for work is mainly of three types:
- the PFST protocol for "payphone session protocol” allows according to the invention to initiate an exchange (a communication session) between a telephone 10 and a server using a protocol in TCP / IP format.
- This protocol allows the installation of a data exchange session between a client and a server on any type of network.
- the CONNECT connection message allows the initialization of the session.
- the server in order to initialize a service device from the server, the server must recover a configuration file called "STATUTES" from the service device. This configuration file must always be sent before the order to disconnect the communication at the end of the session.
- the service appliance can recover a file containing the active tariff table or a file containing the passive tariff table.
- the service device can retrieve a parameter file, a black list, a gray list, a file containing segmented software and an object configuration file.
- an actual FTP session can begin. It can either be a UPLOAD file upload or a DOWNLOAD file upload.
- the server issues an S.File request. req. This request is routed through the network to the corresponding phone.
- the first order received by a telephone 10 from the server 5 relates to the transfer of a file also called STATUTS specifying the references of the set or of the main files constituting the software resources of the telephone.
- This STATUTES file subsequently enables the PMS 5 server, in the event of a malfunction, to determine the different versions of software used by the telephone 10.
- the PMS 5 server In exchanges between the server 5 and the telephones 10, the PMS 5 server is always responsible for the file transferred, it's the master.
- the PMS server 5 is able, on analysis of the precise call context of each telephone 10, to ask the latter for a given job, freely modifiable and adaptable, in particular according to the wishes of the of the network. Such flexibility is also without effect on telephones 10 which operate in slave mode.
- the list of files to be transferred in one direction or another is therefore dynamically communicated to the telephone 10 by the PMS server 5 and this after identification of the connection, through specific requests: CONNECT, ACCEPT, UPLOAD, DOWNLOAD,
- the telephones therefore do not know in advance the files to be transferred, it is only the PMS server which chooses the files to be transferred.
- the telephone 10 sends a response of type S. File. res. This information is sent to the server via network 2. Once received, this message constitutes a confirmation of the S.File.Cnf type.
- the file loading operation (UPLOAD) is initiated by the S.File.Req request according to the format described above.
- the telephone 10 interprets this request and issues the message S. FILE. IND.
- the telephone can, in FTP format, load into the server various files which may relate to transactions, operating counters, current alarms, alarm LOG files, counters relating to lists. black.
- the loading of files is terminated by the request S.
- File res emanating from the service device. This response is interpreted as confirmation after receipt by the server.
- the telephone 10 After receiving an UPLOAD or DOWNLOAD type order, the telephone 10 opens an FTP session with the FTP server 4 whose address has been notified to it. The connection to the FTP server 4 in parallel to the current session is established with the PMS server 5 via the PROXY server 6. The telephone then performs the requested file transfer to the FTP server which has been notified to it. Once the transfer of the file (s) is complete, the phone sends an acknowledgment message by which it confirms to the PMS server that the work has been done well or badly. Then he waits for a new order. If a new order is not received after a predetermined period of time, the telephone cuts off the communication as described in more detail below.
- the downloaded files include configuration files if at least one of the parameters has changed. This file is always sent before the communication termination order at the end of the session.
- the PMS server 5 can take advantage of the call from each telephone 10 for its daily activity report (also called telecollect) to operate the downloading of a program update.
- the commissioning agent when initializing a new telephone 10 to the public telephone network 1, the commissioning agent will systematically request certain information linked to the configuration of the telephone 10 (for example a configuration file) and this by launching a dedicated session.
- the PMS server can not only transfer the requested file but also obtain other return files such as an active price table, a passive price table, a parameter table, a black list, a gray list, software , etc.
- the PMS 5 will not only be able to recover the transaction files, the operating counters and the alarms but also it will be able to download in return an active tariff table, a passive tariff table, a parameter table, a black list, a gray list, software.
- the session relating to the alarm reporting comprises, as taught above, a request of the UPLOAD type at the end of which an FTP file is downloaded to the server.
- the downloaded files can be a configuration file, alarm files present, the so-called alarm log file as well as transactions.
- a DOWNLOAD order can be followed and carried out in order to download a configuration file from the server to the service device.
- the invention can also provide a remote diagnostic session in which files are downloaded to the server.
- These downloaded files can include a configuration file, a transaction file, a file of operating counters, a present alarm file, the alarm log, a blacklist counter and a gray list counter file.
- the server can also initiate a download session in which files are downloaded from the server to the corresponding service appliance.
- the downloaded files are for example active or passive tariff table files, a parameters file, a black or gray list file, a segmented software file and, if necessary, an object configuration file.
- the actual download session includes downloading a configuration file, etc.
- the protocol also makes it possible to manage sessions for requests for content and for emails or e-mail.
- the establishment of the session is initiated according to the protocol mentioned above with the CONNECT and ACCEPT orders.
- the phone sends a S.Methodinvoke.req request.
- This request corresponds to the GET / POST order in messaging under TCP / IP.
- the server receives this request via the telephone network and interprets it as a S.Methodinvoke.ind request.
- the server analyzes this request and sends in response the S.Methodinvoke.- res message which constitutes a replica or response from the server.
- the telephone or service device confirms this response with the message S.Methodinvoke.cnf.
- the session ends according to the protocol mentioned above with the order DISCONNECT.
- the content transfer may contain one or more content and transfer requests.
- the protocol provides for several treatment rules.
- the PFSP protocol provides several rules for dealing with abnormal sessions.
- a session can be considered abnormal when the request format is incorrect.
- a "DISCONNECT" message is sent accompanied by a PROTERR type code via the PROXY server to the PMS server and the corresponding service device.
- the establishment of the connection or of the TCP / IP type session can be refused by the PROXY communication server, for example when the service is not available.
- the PROXY communication server sends a DISCONNECT message to the destination of the service device which, once received by the service device, is interpreted in S.DISCONNECT. IND with the corresponding code CONNECT.
- the establishment of the connection can be refused by the PMS server.
- the server sends a S.DISCONNECT.REQ message containing the corresponding code which may have the definition REDIAL CONGESTION or PEERREQ depending on the event causing the refusal.
- the DISCONNECT message is sent to the service device.
- a time delay for example of the order of 30 seconds, may be provided following a first connection request that was not successful.
- the service device sends a termination request S.DISCONNECT.REQ with the code PEERREQ to the server, after a timeout of 30 seconds compared to its first connection request S .CONNECT.REQ.
- a termination request is provided from the server with the message S. DISCONNECT.REQ and the code PEERREQ during a download- or a download that does not succeed after a chosen period.
- This TX period has a value which depends on the number of files transferred and the size of each of these files. This TX period can be calculated by the server.
- the service device can send a session termination message S.DISCONNECT.REQ with the code CONGESTION to the server when, for example, internal errors are detected or when problems management files in RAM are detected at the service device.
- the consistency of the coding, in particular its syntax, is checked by the PROXY communication server. The reason for the termination request can be found in the corresponding code, here CONGESTION.
- a session termination request is sent by the server with the code corresponding to DISCONNECT REDIAL in the case of a DOWNLOAD.
- This termination request can take place at the end of a time delay, the departure of which is formed by the result of the transfer.
- the present invention also provides a protocol which manages the resumption of sessions, after breaks thereof.
- a protocol which manages the resumption of sessions, after breaks thereof.
- the recovery management can intervene in the case of a PFSP transaction, of the TCP / IP type, like that described with reference to FIG. 3.
- the recovery procedure provides for renewing the connection request S .CONNECT.REQ.
- the resumption of the session can also take place after reception of the connection request with establishment of the connection at the server level but before the reception of the ACCEPT message at the level of the service device.
- the management of the resumption of the session can take place at the level of the file download operation.
- the protocol according to the invention manages such a break.
- the management of the recovery can take place at the level of a download of a file of the UPLOAD type.
- the management of the recovery can also take place when the session is interrupted before reception of the DISCONNECT message at the service device.
- the causes which trigger the management of takeovers can be of different nature:
- no recovery management is planned during an initialization carried out at the request of the operator.
- a first attempt to resume connection RI is planned, for example, after 5 minutes of the break in the event of a fault in the value of a parameter.
- This RI attempt in the event of failure is repeated a certain number of times, for example 2 (individualized here in R2 and R3).
- the recovery policy does not provide for new attempts here and the session is definitively interrupted.
- This recovery policy is for example implemented during a remote initialization or a remote diagnosis.
- a special recovery rule is provided in the case of a daily telecollection.
- the recovery rule comprises two branches of intervention.
- the break C of the telecollect for example due to a defect in the value of a parameter emanating from the server
- the telecollect can be resumed at the end of a procedure which begins with waking up of the device (for example a communication request from a public telephone user or the introduction of a payment card), followed by a sleep and which ends with the attempt to resumed 5 minutes after being put to sleep.
- This recovery attempt is preferably limitless, that is to say until the end of the telecollect.
- the telecollect is deferred RD by a chosen period of time, for example 12 hours.
- This second branch is implemented when there is no awakening of the device by a user as described above in the first branch.
- the attempt to resume the first branch is successful, the programming of the delayed recovery is deleted until the next remote collection.
- an attempt to resume is made within 5 minutes of the break.
- the number of attempts can be limited to 3.
- the recovery rule plans to initialize the alarm procedure again until the alarm procedure works properly.
- a recovery procedure is provided during the download of several objects or even during the initialization procedure after the download session.
- this recovery procedure there is the short recovery cycle (5 minutes) and a long cycle (15 minutes) which can be triggered automatically by a parking meter.
- the service device initiates the recovery procedure and the server always plays the same scenario after correct identification of the service device.
- the service device finds the missing files after a correct analysis. In other words, the recovery takes place at the point of rupture without resuming the part of the exchange already carried out before the rupture.
- the device reil de service can try to initiate a resumption of communication (as of course, at any other moment of rupture).
- the server then sends the scheduled scenarios.
- the service appliance sends only a correct acknowledgment to the server, signaling the subsequent placement of the objects, and waits only for the message from the server. of S.Disconnect termination, this in order to save time and avoid unnecessary repetitions.
- Tables A and B form an integral part of the present invention. They include elements of a certain nature which can be used to define the invention if necessary.
- recovery management can distinguish a delayed recovery which preferably occurs after a short immediate cycle to allow the operator to restore the system before repetition (thus avoiding unnecessary exchanges) and an immediate resumption which constitutes the resumption of the initial session.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0108751 | 2001-07-02 | ||
| FR0108751A FR2826751B1 (fr) | 2001-07-02 | 2001-07-02 | Procede d'echange de donnees entre un appareil de service et un serveur de gestion selon un protocole de gestion sur ip |
| PCT/FR2002/002159 WO2003005694A1 (fr) | 2001-07-02 | 2002-06-21 | Procede d'echange de donnees entre un appareil de service et un serveur de gestion selon un protocole de gestion sur ip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1402715A1 true EP1402715A1 (fr) | 2004-03-31 |
Family
ID=8865025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02755077A Withdrawn EP1402715A1 (fr) | 2001-07-02 | 2002-06-21 | Procede d'echange de donnees entre un appareil de service et un serveur de gestion selon un protocole de gestion sur ip |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1402715A1 (fr) |
| CO (1) | CO5550511A2 (fr) |
| FR (1) | FR2826751B1 (fr) |
| WO (1) | WO2003005694A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118860A (en) * | 1997-09-12 | 2000-09-12 | Nortel Networks Corporation | Public communications services vending method and apparatus |
| FR2782436B1 (fr) * | 1998-08-14 | 2000-10-13 | Schlumberger Ind Sa | Reseau de telephonie publique connecte a un systeme de transport d'informations |
| WO2000062523A1 (fr) * | 1999-04-08 | 2000-10-19 | Powerphone Network Limited | Systeme de publiphone multimedias interactif combinant la technologie de reseau et de telephonie |
| FR2796233B1 (fr) * | 1999-07-09 | 2001-08-31 | Schlumberger Systems & Service | Systeme de telephonie a architecture ouverte |
-
2001
- 2001-07-02 FR FR0108751A patent/FR2826751B1/fr not_active Expired - Fee Related
-
2002
- 2002-06-21 EP EP02755077A patent/EP1402715A1/fr not_active Withdrawn
- 2002-06-21 WO PCT/FR2002/002159 patent/WO2003005694A1/fr not_active Ceased
-
2004
- 2004-01-07 CO CO04000740A patent/CO5550511A2/es not_active Application Discontinuation
Non-Patent Citations (1)
| Title |
|---|
| "Free FTP/Download Software", 5 June 2001 (2001-06-05), Retrieved from the Internet <URL:http://web.archive.org/web/20010605231938/http://www.tech-sol.net/interlinks/ftp-soft.htm> [retrieved on 20050912] * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003005694A1 (fr) | 2003-01-16 |
| CO5550511A2 (es) | 2005-08-31 |
| FR2826751B1 (fr) | 2003-10-03 |
| FR2826751A1 (fr) | 2003-01-03 |
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