EP4348982A1 - Procede de traitement d'un appel telephonique dans un reseau de communication, procede d'emission, procede de reception d'un tel appel, dispositifs, systeme et programmes d'ordinateur correspondants - Google Patents
Procede de traitement d'un appel telephonique dans un reseau de communication, procede d'emission, procede de reception d'un tel appel, dispositifs, systeme et programmes d'ordinateur correspondantsInfo
- Publication number
- EP4348982A1 EP4348982A1 EP22732603.0A EP22732603A EP4348982A1 EP 4348982 A1 EP4348982 A1 EP 4348982A1 EP 22732603 A EP22732603 A EP 22732603A EP 4348982 A1 EP4348982 A1 EP 4348982A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- information
- call
- message
- caller
- terminal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42025—Calling or Called party identification service
- H04M3/42034—Calling party identification service
- H04M3/42042—Notifying the called party of information on the calling party
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42025—Calling or Called party identification service
- H04M3/42034—Calling party identification service
- H04M3/42059—Making use of the calling party identifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it
- H04M3/4365—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it based on information specified by the calling party, e.g. priority or subject
Definitions
- Method for processing a telephone call in a communication network method for sending, method for receiving such a call, devices, system and corresponding computer programs
- the field of the invention is that of a communication network configured to route calls, for example in voice over IP.
- the invention relates in particular to enriching such calls with caller identity information.
- a first drawback of this solution is that it introduces latency into the processing of the call received.
- a second drawback is that it only works if the identity of the caller is well recorded in the database queried by the application and if the database may be inaccessible at the time of the call.
- a third disadvantage is that several databases coexist without common storage rules or caller ID information format. Companies wishing to register with such databases must therefore multiply the registration procedures, without guarantee of success.
- the invention improves the situation.
- the invention meets this need by proposing a method for processing a call setup request message sent by a calling terminal to a called terminal in a communication network, said network comprising communication equipment configured to receive said message.
- Said method is implemented at the level of said communication equipment and comprises:
- the invention proposes an entirely new and inventive approach to processing a call, which consists in enriching the call with additional information identifying the caller stored in the communications network and therefore verified beforehand.
- the called party benefits from these verified identification information upon receipt of the call on his terminal and without latency.
- the called user is therefore more inclined to take the call.
- the invention contributes to reducing the number of unanswered calls due to lack of information on the caller.
- the call is sent in voice over IP and the updated information field is a field of a header of said call set-up request message.
- the updated information field is a field of a header of said call set-up request message.
- the updated information field is a field of a header of said call set-up request message.
- said additional caller identification information obtained from the first table belongs to a group comprising at least:
- Information about an image or video associated with the caller may include a link to this file.
- the file in question includes a company logo and/or a photograph of the caller and/or a company advertisement.
- the method further comprises querying the first data table, for example called the caller's identity table, from a telephone number of the caller extracted from said message.
- the update comprises the insertion of reputation information obtained from a second data table, in the message of call setup request.
- reputation information indicates a type of caller among the following possible values: commercial canvasser (“TELE”), fraudulent (“SPAM”) or legitimate (“OK”).
- the method further comprises querying the second data table, for example called the caller's reputation table, from a telephone number of the caller extracted from said message.
- the method further comprises:
- additional caller identification information may be additional information relating to a call context.
- this information provides a subject of the call, an urgency level, an emotion of the caller, etc. They help to further enrich the presentation of the call to the called party.
- the method further comprises the prior verification of an authorization of the calling terminal to update the first data table, the addition of the information received in the table being conditioned by this verification.
- it further comprises sending a registration confirmation message to the calling terminal.
- the method comprises the coding of at least one of said information obtained in the form of a code comprising a sequence of text-type characters flanked by two occurrences of a key-type character, said key type character being associated with predetermined call context information.
- the key character is an asterisk “**” associated with caller reputation information.
- the key character "%%" is used to enclose a link to an image or video file associated with the caller.
- the invention also relates to a device for processing a call setup request message sent by a calling terminal to a called terminal in a communication network, said network comprising communication equipment configured to receive said message.
- Said device is configured to implement at said communication equipment:
- said device configured to implement the steps of the processing method as described above.
- the processing device has in combination all or part of the characteristics set out throughout this document.
- said device is integrated into communication equipment of a communication network, configured to intercept a request message for setting up a voice over IP call sent by a calling terminal to a called terminal.
- the communication equipment and the processing device have at least the same advantages as those conferred by the aforementioned processing method.
- the invention also relates to a method for sending a call set-up request message by a calling terminal to a called terminal in a communication network. Said method is implemented at the calling terminal and comprises, prior to sending said message:
- the calling terminal includes a dedicated software application configured to fill in such a first table, for example called the caller's identity table, managed by the network operator.
- he receives a confirmation of recording of said information from the communication equipment.
- the method further comprises sending to the communication network a request for updating the first data table, said update request comprising at least one piece of context information of the call.
- the context information of a call specifies for example a reason or a subject of the call, an urgency level, an emotion of the caller, etc.
- the invention also relates to a device for sending a call setup request message by a calling terminal to a called terminal in a communication network. Said device is configured to implement at the level of the calling terminal, prior to transmission of said message:
- said device configured to implement the steps of the transmission method as described previously.
- the transmission device has in combination all or part of the characteristics set out throughout this document.
- said device is integrated into a terminal of a user configured to send a call setup request message in voice over IP to a calling terminal via a communication network.
- the user terminal and the transmission device have at least the same advantages as those conferred by the aforementioned transmission method.
- the invention also relates to a method for receiving a call setup request message by a called terminal sent by a calling terminal in a communications network. Said method is implemented at the level of the called terminal and comprises, upon receipt of said message:
- the triggering of at least one action comprising a notification of said information to a user of the terminal called during a presentation of the call.
- the called terminal since the additional information relating to the caller is contained in the signaling of the message, the called terminal can exploit it directly to enrich the notification of the call.
- the additional information (extracted) belongs to a group comprising at least: additional caller identification information; information relating to a context of the call; caller reputation information.
- the additional caller identification information comes from a first data table, managed by the operator of the caller's communication network and have been previously integrated into the table at the request of the caller, who has subscribed to a dedicated service.
- the information relating to a context of the call comes from this first data table and was transmitted by the caller to the first table before sending the call.
- This possibility of dynamic modification of the additional information contained in the database allows a caller to enrich one or more calls intended for one or more customers to indicate to them a level of urgency of the call or a reason for the call (" are you available to talk?) or an emotion associated with this call using one or more emoticons.
- the reputation information advantageously comes from a second data table, itself also managed by the operator of the communication network, but which is not filled in from information provided by the callers themselves. For example, they indicate whether the caller is legitimate, fraudulent, direct seller, etc.
- At least one of said additional information relating to the call is coded in the form of a sequence of text type characters flanked by two occurrences of a key type character
- the reception method comprises decoding said information, said decoding comprising identifying said key type character and the method comprising determining at least one notification action triggered at least as a function of the identified key type character.
- the key character “*” is used to frame a sequence of textual characters qualifying a reputation of the caller (SPAM for fraudulent, TELE for a commercial canvasser or even OK for a legitimate caller).
- the key character "! » frames the name of the caller and indicates an urgent call.
- the key character ? frames the caller's name and aims to ask the called party if they are available to speak.
- An advantage of such key characters is that they can be recognized by the called party's terminal which is configured to translate them into specific notifications (display, ringtone, vibration, etc.) which therefore take on a particular meaning for the called party. . For example, displaying a caller name between “!” »! is translated by a display of the caller's name in flashing red, generally associated with the notion of urgency or the emission of an urgent ringtone.
- the identification of a sequence framed by the key character "*" triggers the display of a window (pop-up) indicating the type of call (commercial, fraudulent, legitimate).
- the invention also relates to a device for receiving a call setup request message by a called terminal transmitted by a calling terminal in a communications network, characterized in that it is configured to implement at of the called terminal and understands, upon receipt of said message:
- the triggering of at least one action comprising a notification of said information to a user of the terminal called during a presentation of the call.
- said device is configured to implement the steps of the reception method as described above.
- the receiving device has in combination all or part of the characteristics set out throughout this document.
- said reception device is integrated into a terminal of a user configured to receive a voice over IP call setup request message from a calling terminal via a communication network.
- the user terminal and the reception device have at least the same advantages as those conferred by the aforementioned reception method.
- the invention also relates to a data table of a communication network, comprising records associating at least additional information identifying a caller with a telephone number of this caller.
- this data table is organized in the form of a database indexed by the telephone numbers of callers.
- it includes information relating to a context of a call, added dynamically by the caller before issuing this call in the network.
- the invention also relates to a system for managing a call set-up request message sent in voice over IP by a calling terminal to a called terminal in a communication network, comprising the processing device, the first data table, the transmission device and the aforementioned reception device.
- the invention also relates to computer program products comprising program code instructions for implementing the methods as described previously, when they are executed by a processor.
- a program may use any programming language, and be in the form of source code, object code, or intermediate code between source code and object code, such as in partially compiled form, or in any other desirable form.
- the invention also relates to a recording medium readable by a computer on which is recorded a computer program comprising program code instructions for the execution of the steps of the methods according to the invention as described above.
- Such recording medium can be any entity or device capable of storing the program.
- the medium may include a storage medium, such as a ROM, for example a CD ROM or a microelectronic circuit ROM, or else a magnetic recording medium, for example a mobile medium (memory card) or a hard drive or SSD.
- such a recording medium may be a transmissible medium such as an electrical or optical signal, which may be conveyed via an electrical or optical cable, by radio or by other means, so that the program computer it contains is executable remotely.
- the program according to the invention can in particular be downloaded on a network, for example the Internet network.
- the recording medium may be an integrated circuit in which the program is incorporated, the circuit being adapted to execute or to be used in the execution of the aforementioned display control method.
- the present technique is implemented by means of software and/or hardware components.
- the term "module" may correspond in this document to a software component, a hardware component or a set of hardware and software components.
- a software component corresponds to one or more computer programs, one or more sub-programs of a program, or more generally to any element of a program or software capable of implementing a function or a set of functions, as described below for the module concerned.
- Such a software component is executed by a data processor of a physical entity (terminal, server, gateway, set-top-box, router, etc.) and is likely to access the hardware resources of this physical entity (memories, recording media, communication bus, electronic input/output cards, user interfaces, etc.).
- resources means all sets of hardware and/or software elements supporting a function or a service, whether unitary or combined.
- a hardware component corresponds to any element of a hardware assembly (or hardware) able to implement a function or a set of functions, according to what is described below for the module concerned. It can be a hardware component that can be programmed or has an integrated processor for executing software, for example an integrated circuit, a smart card, a memory card, an electronic card for executing firmware ( “firmware” in English), etc.
- firmware “firmware” in English
- Figure 1 shows an example of the architecture of a system for processing a request message to set up a voice over IP call in a communication network, according to the invention
- Figure 2 schematically illustrates an example of the architecture of communication equipment of the communication network, said equipment integrating a device for processing a call setup request message according to one embodiment of the invention and an example of a user terminal, integrating a device for receiving a call setup request message according to one embodiment of the invention;
- FIG. 3 describes in the form of a flowchart the steps of a process for processing a call set-up request message by the communication equipment, according to an exemplary embodiment of the invention
- FIG. 4 describes in the form of a flowchart the steps of a method for sending a call set-up request message by the calling terminal, according to an exemplary embodiment of the invention
- FIG. 5 describes in the form of a flowchart the steps of a method for receiving a call set-up request message by the called terminal, according to an exemplary embodiment of the invention
- FIG. 6A, FIG. 6B, FIG. 6C illustrate examples of displays of additional caller identification information on the called terminal according to the invention
- FIG. 7 describes in the form of a flow diagram the exchanges between a calling user terminal, the communication equipment and a called user terminal according to an example embodiment of the invention
- FIG. 8 describes an example of the hardware structure of a device for processing a call set-up request message according to the invention
- FIG. 9 describes an example of the hardware structure of a device for sending a call set-up request message according to the invention
- FIG. 10 describes an example of the hardware structure of a device for receiving a call set-up request message according to the invention
- the invention relates to the processing of a call sent by voice over IP in a communication network by a calling terminal to a called terminal.
- the general principle of the invention is based on the enrichment, at the level of the communication network, of the call signaling message, using additional caller identification information stored in at least one database. of data managed by the operator of the communication network. This information is notified by the called terminal when presenting the incoming call to its user. In this way, the called party benefits without latency from reliable additional information on the identity of the caller, which enables him to decide to accept or refuse the call with full knowledge of the facts.
- the invention finds a particularly interesting application for professionals who wish to see their calls to customers or suppliers succeed.
- VoLTE Voice over Long Term Evolution
- ViLTE Video over Long Term Evolution
- VoIP Voice over Internet Protocol
- SIP Signaling Protocol
- the invention is not limited to this protocol and applies to any other protocol allowing call signaling in voice over IP. Nevertheless, in the remainder of the description, the examples presented will implement this signaling protocol.
- FIG. 1 an example of the architecture of a system 10 for processing a request message for setting up a voice over IP call in a communication network RC according to an example of realization of the invention.
- the communication network RC of an operator has been represented schematically, as a single entity, without showing, for the sake of simplicity, its various access networks. It is assumed that this communication network RC implements at least one of the voice over IP technologies mentioned above.
- a first terminal equipment UE-A connects to the communication network RC via a fixed access network (not shown) of the ADSL or fiber type.
- the first terminal equipment UE-A is connected to the local communication network (not shown) of a residential or professional gateway GW, for example using a wired connection, by example of the Ethernet or wireless type, for example of the Wi-Fi type.
- a residential or professional gateway GW for example using a wired connection, by example of the Ethernet or wireless type, for example of the Wi-Fi type.
- the invention is not limited to this example and applies just as well to a mobile access network of the cellular type, to which the first UEA terminal equipment via a 2G to 5G type link.
- the first terminal equipment UE-A called the calling terminal, sends a voice over IP call setup request to a second terminal equipment UE-B of a user UTB, called the called terminal, also connected to the RC communication network.
- the terminals UE-A and UE-B are telephones of the smart telephone type (for “smartphone”, in English).
- it can also be fixed telephones, for example cordless telephones of the DECT type (for “Digital Enhanced Cordless Telecommunications”, in English), tablets, personal computers, etc., more generally any user terminals provided that they are provided with an interface with the access network to the RC network available nearby and configured to manage a telephone communication in voice over IP via this network.
- the system 10 comprises, in addition to the two terminals calling UE-A and called UE-B, communication equipment EQ of the communication network RC.
- This communication equipment EQ is placed on the path of the call set-up request message transmitted by the calling terminal UE-A. It is for example a router equipment, a telephone application server or TAS (for “Telephone Application Server”, in English) or indeed any other communication equipment of the RC network.
- such equipment EQ is configured to interrogate at least a first data table, called a caller's identity table IDB, managed by the communication network RC.
- the equipment EQ comprises two separate equipments, connected to one another: a server equipment TAS and an equipment EIDS implementing a caller identification service IDS.
- a server equipment TAS and an equipment EIDS implementing a caller identification service IDS.
- an application server in an operator's network such as the RC network, it is common for an application server to communicate with different equipment dedicated to the implementation of specific services, such as the EIDS equipment.
- Such equipment is registered beforehand with the application server TAS so that it retransmits certain call signaling messages to them.
- the invention is not limited to this example and also applies when the equipment item EQ is the TAS application server itself and when it hosts several software applications each implementing a specific service and in particular the IDS caller ID service.
- FIG. 2 presents an example of architecture of the communication equipment EQ according to an embodiment of the invention.
- the communication equipment EQ comprises a device 100 for processing a call setup request message according to the invention. This device is configured to intercept said message, extract therefrom a telephone number of the caller, obtain additional caller identification information by querying the identity table IDB from said telephone number, update an information field of said message by inserting the information obtained and routing the updated message to the called terminal.
- the device 100 is configured to receive a request for recording additional information in the identity table, in association with the telephone number of the caller, to verify that the caller is authorized to record data in this table and send him a registration confirmation.
- the device 100 thus implements the method for processing a call set-up request message according to the invention which will be detailed below in relation to FIG. 3.
- it is implemented under the form of an API-IDS software application of the API type (for “Application Programming Interface”, in English), installed on the equipment EQ.
- this application is dedicated to the implementation of the caller ID service according to the invention.
- the device 100 can be independent of the EQ equipment, but connected to the latter by any link, wired or not.
- FIG. 2 also presents an example of the architecture of a user terminal UE-A, or calling terminal, according to one embodiment of the invention.
- the calling terminal UE-A comprises a device 200 for sending a call setup request message sent by the terminal UE-A.
- the called terminal UE-A is configured to, prior to the transmission of said message, request a recording of additional information identifying the caller in a first data table, called the identity table of the caller, stored in said communication network, in association with a telephone number of the caller, said additional caller identification information being intended to be used by communication equipment configured to receive said request message call set-up, enrich it at least using the information contained in said identity table and retransmit it to the called terminal.
- the device is also configured to request an update of the identity table of the caller, the update request comprising at least additional call context information.
- the device 200 thus implements the method for sending a call set-up request message according to the invention which will be detailed below in relation to FIG. 4.
- it is implemented in the form of a software application API-IDS-UE-A of API type, installed on the calling terminal UE-A.
- this application is dedicated to the use of the caller ID service by the calling terminal according to the invention.
- FIG. 2 finally presents an example of the architecture of a user terminal UE-B, or called terminal, according to one embodiment of the invention.
- the called terminal UE-B comprises a device 300 for receiving a call setup request message sent by the terminal UEA.
- the called terminal UE-B is configured to receive said message from the network, extract caller identification information from an information field of the message received, and trigger at least one action comprising notifying said caller identification information to a user of the called terminal.
- the device 200 thus implements the method for receiving a call set-up request message according to the invention which will be detailed below in relation to FIG. 5.
- this application is implemented in the form of an API-IDS-UE-B software application of the API type, installed on the terminal called UE-B.
- this application is dedicated to the use of the caller ID service by the called terminal according to the invention.
- FIG. 3 in the form of a flowchart, an example of implementation of a method for processing a call setup request message according to an embodiment of the invention.
- This method is implemented by a communication device EQ configured to receive the call set-up request messages transmitted by the calling terminals.
- a communication device EQ configured to receive the call set-up request messages transmitted by the calling terminals.
- it is for example implemented in the form of an APIJDS software application.
- the communication equipment EQ receives at 30 a message REGJCI requesting registration of additional information identifying the user. caller HERE from terminal UE-A.
- the information ICI received is recorded in the identity table IDB in association with the telephone number of the terminal UE-A.
- this recording step is conditioned by a prior verification that the user UT-A of the terminal UE-A is indeed authorized to record information in this table, because he has subscribed to the identification service of the caller from RC network operator.
- the user UT-A of the terminal UE-A has provided information on his identity to the operator who manages the identity table during a preliminary registration phase, for example by completing an online form .
- the identity information in question comprises, for example, his name, his telephone number, etc., and is stored in the identity table once validated by this operator.
- the communication equipment EQ receives at 32 from the terminal UE-A, a message REG-ICC requesting the recording of additional information ICC relating to a call context.
- This ICC context information is linked to the telephone number of the called party, as well as that of the caller. Both phone numbers are needed to find the specific information about the reason for the call for the called party, as it can vary from call to call and from person to person. For example, a salesperson might call a first customer about fixing one of their devices and a second customer to confirm an appointment. These calls from the same caller have different call reasons.
- This information specifies the context of one or more upcoming calls and includes, for example:
- the ICC information is recorded in association with the telephone number of the user UT-A and completes the entry of the table IDB corresponding to the telephone number of the user UT-A.
- this additional recording can also be conditional on a prior verification of the rights of the user UT-A, that is to say that he has indeed subscribed to the caller ID service.
- Such a request for recording ICC information can be received and processed at any time by the communication equipment EQ. It allows dynamic adaptation of the content of the identity table to the needs of the user of the calling terminal UE-A.
- the equipment item EQ receives a call set-up request message REQ to the called terminal UE-B.
- the call signaling messages exchanged between the calling and called terminals and the communication network RC comply with the SIP communication protocol.
- the call establishment request REQ message is of the SIP INVITE type.
- This SIP INVITE message includes information about the caller UT-A and the called party UT-B and initiates the process of exchanging information between the two terminals to establish the voice communication (coded codes supported, etc.) .
- the SIP INVITE message generally includes several headers intended to specify technical information relating to the calling terminal, the codecs to be used to decode the audio streams, routing information, etc. It includes at least one header relating to the identities of the parties (in English, “From and P-Asserted Identity (PAI)”) which are used to transport the logical addresses of the parties, such as the telephone number or MSISDN (for “Mobile Station International Subscriber Directory Number”) or the VoIP address of the calling terminal UE-A and the telephone number of the called party or his address VoIP.
- P-Asserted Identity PAI
- This latter header also includes an information field relating to the caller's name (“DisplayName”). However, we note that this field is little used when it is a voice call, because the telephone number assigned in the header "From and P-Asserted Identity (PAI)" of the caller is sufficient to validate the caller's identity and initiate presentation of the call to the called party.
- DisplayName an information field relating to the caller's name
- This SIP INVITE message is routed in the operator's RC communication network via several communication devices such as router devices, session controller devices and telephony application servers or TAS (for "Telephony Application Server”.
- TAS Telephony Application Server
- an application server is configured to retransmit the SIP INVITE messages that it sees passing and relays, to communication equipment or software applications configured to render dedicated services in connection with the processing of a telephone communication .
- These communication devices and software applications are registered beforehand with the TAS application server. These include, for example, billing or proxy services.
- a proxy is a server that acts as an intermediary and whose main purpose is to hide the details of the network from external connections in order to maintain its security. The proxy forwards requests to sensitive areas of the network without sharing any details of that network, such as the IP address.
- the software applications in question may be hosted by the application server itself or by separate EQ communication equipment.
- a communication device EQ configured to implement a caller identification service according to the invention. It implements the method for processing a call set-up request message according to the invention or incorporates a processing device 100 according to the invention which has just been presented in relation to FIG.
- This table includes records, each associating with a telephone number of a subscriber user of the communication network operator RC, one or more additional information HERE on his identity. He therefore obtains for example:
- this additional information is relatively permanent.
- they have been recorded in the IDB table at the caller's request, in an initial and prior phase, generally following his subscription to the caller's identification service offered by the operator.
- the table IDB can also include additional information ICC relating to a call context for one or more calls that the caller plans to make.
- the communication equipment EQ therefore obtains for example:
- this additional information relating to the ICC call is subject to change depending on the intentions of the caller.
- they are recorded in the IDB table at the caller's request, just before making one or more calls.
- the response obtained is empty and does not include any additional information.
- the method comprises obtaining information on the reputation of the caller UE-A from a second data table, called the RDB reputation table, comprising entries associating with the telephone number of a caller reputation information, such as for example a type of caller.
- a caller type includes a commercial type and refers to commercial solicitors, a fraudulent type and a legitimate type.
- This RDB reputation table is updated over time by the operator, in a manner known per se.
- Reputation information can be obtained in different ways by the communication network operator.
- the latter uses reports issued by users who have already received calls from this caller to indicate that the caller is a telemarketing company, for example.
- the operator can analyze call recordings to identify callers of the commercial or fraudulent canvassing type on the basis of predetermined call patterns. For example, a sales caller typically makes many calls to many different people in a short period of time. A fraudulent caller seeks to entice the called party to call back a premium rate telephone number by making numerous short calls and hanging up before the called party can answer (“ping calls”).
- the response obtained includes at least one additional identification information ICI, such as the name of the user UT-A "UT-A-name and optionally, additional ICC call context information.
- additional identification information ICI such as the name of the user UT-A "UT-A-name and optionally, additional ICC call context information.
- the communication equipment EQ has obtained additional information IC, which includes additional caller identification information ICI and/or additional call context information ICC and/or IR reputation information about the calling user UT-A.
- This or these additional information items IC contained in the response from the identity table are then inserted at 38 into an information field of a header of the call set-up request message REQ received, for example, according to the SIP protocol, the “DisplayName” field of the “From and P-Asserted Identity” header.
- the message REQ thus modified is then designated by REQ'.
- the call set-up request REQ′ thus completed or updated is routed at 39 to its final destination, namely the called terminal UE-B.
- certain additional information on the identity of the caller is coded beforehand at 38 before being inserted into the call set-up request message REQ′. This includes additional information other than the name of the caller.
- ⁇ are encoded using a code comprising a sequence of text-type characters corresponding to the additional information IC to be transmitted, flanked by two occurrences of a key-type character, said key-type character being associated with a particular type of information.
- the key character is an asterisk (*) associated with the type of caller, such as *TELE * for a
- the invention also provides for associating a key character with the name of the caller, such as “' " Where " " ".”
- FIG. 4 in the form of a flowchart, an example of the implementation of a method of reception by a called terminal of a call setup request message transmitted by a calling terminal. in voice over IP in a communication network, according to one embodiment of the invention.
- the calling terminal UE-A prior to sending a call, sends in the communication network RC a REG-ICI request for recording additional information identification ICI of the calling user UT-A in the identity table IDB.
- This table is stored in said communication network and managed by it.
- the method comprises a step of receiving at 41 a message confirming registration ACK_REG-ICI of said information in the identity table IDB, coming from the communication equipment EQ.
- the terminal UE-A sends at 42 a request UP-REG to update the identity table IDB, said update request comprising at least additional context information ICC of the call, which specifies for example a subject of the call, an urgency level, an emotion of the caller, etc.
- he receives at 43 a registration confirmation message ACK_UP-REG of said information in the identity table IDB, coming from the communication equipment EQ.
- An advantage is to allow the dynamic update of the identity table managed by the communication network by the caller before the transmission of one or more next messages intended for one or more terminals called using information specific to the context of these calls.
- FIG. 5 in the form of a flowchart, an example of implementation of a method of reception by a called terminal of a call setup request message transmitted by a calling terminal. in voice over IP in a communication network, according to one embodiment of the invention.
- the terminal called UE-B integrates the device 200.
- the reception method according to the invention is implemented by the device 200 in the form of a software application API_IDS_UEB.
- the called terminal UE-B receives a call set-up request message, for example of the SIP INVITE type, coming from the calling terminal UE-A. It is assumed that this is the message REQ' enriched by the communication equipment EQ in accordance with the processing method which has just been described in relation to FIG. 4.
- this information IC can comprise:
- At least certain information extracted from the call establishment request message is coded using a code comprising a sequence of textual information flanked by two occurrences of a character key type.
- the method comprises in 52 the decoding of the extracted information. Such decoding includes identifying said key type character and obtaining at least one type of information associated with the identified key character.
- the key character "! can be used to frame the caller's name and indicate an urgent call.
- the key character "?" can be used to frame the name of the caller and is intended to ask the called party if they are available to speak, or to indicate a subject of the call, such as "Attempting to access your account” or “your vehicle is ready to be picked up”).
- the key character "*" is used to frame a sequence of textual characters qualifying a type of caller (SPAM for fraudulent, TELE for a commercial canvasser or even OK for a legitimate caller).
- At least one notification action of the extracted information is determined according to the identified key character.
- the determination comprises consulting a table of actions TA stored in memory, said table comprising entries associating one or more notification actions with a key character.
- the key character "! used to designate a call emergency character is associated with the emission of a specific ring tone, presenting an urgent reason or with the display of the sequence of text in flashing red or with the display of an “URGENT” banner next to the text sequence.
- the key character "%" used to frame a link to an associated image or video is associated with the action of fetching the file on the indicated link and displaying it on the screen of the terminal called.
- the key character "*" used to indicate a type of caller or call is associated with the display of a window, for example of the "pop-up" type comprising the type of caller received in the text sequence.
- the action triggered is also adapted to the value of the textual sequence extracted.
- notifications are presented in Figures 6A to 6C.
- a PI window is displayed on the screen of the called terminal UE-B to notify the user of a fraudulent call, following receipt of the additional information *SPAM*. It comprises, for example, a warning or danger sign or icon.
- a window P2 is displayed on the screen of the terminal called UE-B to notify the user of an urgent call from a banking institution, following receipt of the additional information! ORANGE BANK I. For example, it includes a red banner indicating the urgency of the call.
- a window P3 is displayed on the screen of the terminal called UE-B to notify the user of an urgent call relating to a delivery, following receipt of additional information Inom from the company + deliverer ! and %link_company_logo%.
- the action(s) of notification of additional information on the identity of the caller are triggered when the call is presented to the caller on his terminal UE-B.
- the user UT-A of the terminal UE-A has previously subscribed to the caller ID service offered by the operator of the communication network RC.
- it sends a registration request REG-ICI for additional information identifying the user UT-A.
- the communication equipment EQ records at 31 the information received in the identity table IDB and sends an acknowledgment message ACK_REG-ICI to the terminal UE-A. It is received by the terminal UE-A at 41.
- the terminal UE-A sends an update request UP-REG of the additional information HERE.
- ICC context information of a call to a called terminal which specifies for example a level of urgency of the call or a subject of this call or even an emotion of the caller UT-A associated with this call.
- This information is therefore associated both with the telephone number of the caller UE-A and with a telephone number of a terminal UE-B that the user UT-A of the calling terminal UE-A wishes to call.
- the terminal UE-A sends a call set-up request message REQ, for example of the SIP INVITE type, to the called terminal UE-B.
- REQ for example of the SIP INVITE type
- the communication equipment EQ is configured to intercept the call signaling messages exchanged between the calling terminal UE-A and the called terminal UE-B. More specifically, it ignores all messages and relays them unchanged to the receiving party, except for the REQ message.
- the communication equipment EQ Upon receipt of the message REQ at 34, the communication equipment EQ implements the processing method according to the invention which has just been described in relation to FIG. 3. It extracts at 35 the telephone number of the caller , queries 36 at least the identity table IDB, from this telephone number to obtain additional information IC to add to the call establishment request. From the identity table IDB, it obtains additional caller identification information ICI and/or call context information ICC. For example, he gets the following response to his request to query the IDB identity table: Name: Orange
- Additional information HERE includes the name of the caller is the company Orange and a link to its logo.
- the call context information to the UE-B called party includes a high urgency level, a subject ("Attempting to access your account") and a caller's wish ("Are you available to speak ?”).
- the "AppName” information field can specify the name of an application that will be launched when the user answers the call.
- the qualification field indicates that the name and telephone number of the caller have been validated by the operator who manages the identity table of a caller. Optionally, it also consults an RDB reputation table, from which it obtains the caller's IR reputation information. For example, it does this when it has not found a record in the IDB identity table that matches the caller's phone number.
- the communication equipment EQ decodes the information obtained, updates 38 the call set-up request message with the decoded information and retransmits at 39 the updated message REQ' to the called terminal UE-B.
- the message REQ' is enriched with the aid of additional information relating to the identity of the calling user UT-A and/or to a context of the call, which are for example transmitted in the field "DisplayName" of the "From and P-Asserted Identity” header of said message.
- the communication equipment EQ by implementing the invention, renders an intermediate service, called the caller's identity service, which is for example implemented in the form of a dedicated software application.
- the latter On receipt of this REQ' message at 50 by the called terminal UE-B, the latter responds by sending back a signaling message in the communication network RC, for example of type 100 "TRYING", to indicate that it has received the call set-up request message and that it is not necessary to send any more.
- a signaling message in the communication network RC for example of type 100 "TRYING"
- the called terminal UE-B implements the reception method according to the invention which has just been presented in relation to FIG. 5.
- the additional information IC inserted by the communication equipment EQ is extracted in 51, decoded at 52 and translated at 53 into notification actions to be triggered when the call is presented to the user UT-B at 54.
- the called terminal UE-B then presents the call to the user UT- B by triggering the notification action(s) A of additional information relating to the identity of the caller.
- the reception method according to the invention is implemented in the form of a dedicated software application, which has been previously loaded into the terminal called UE-B.
- the called terminal UE-B sends the calling terminal UE- a message of the SIP 180 “RING” type to inform it that the user UT-B has been alerted.
- these signaling messages can also contain additional information, added by the called terminal UE-B, for example relating to the codecs available on the called telephone, or to its ability to play so-called early media streams, such as only one free message played during the interval before a call is sent to voicemail.
- the calling terminal UE-A receives the SIP message 180 “RINGING”.
- the called terminal UE-B sends a 200 OK signaling message in the communication network RC. It is retransmitted to the calling terminal UE-A, which responds to it with an acknowledgment message, for example of type 200 “OK”. The acknowledgment message is retransmitted to the called terminal UE-B.
- the data traffic for example in accordance with the RTP (for "Real Time Protocol") communication protocol, which contains the audio or video media streams of the communication between the two terminals, starts to be transmitted.
- RTP for "Real Time Protocol
- the encoded information inserted into the "DisplayName” information field is as follows:
- the caller is the company Orange. This is an urgent call, because the name Orange is surrounded by the key character "!”. A link to the Orange logo is provided. The purpose of the call is to alert the called party to an attempt to access their account, as indicated by the key character "?"".
- a device 100 for processing a call set-up request message in a local communication network comprising at least one module for receiving said message, a module for extracting a telephone number of the caller from said message, a module for updating an information field of said message by inserting additional information identifying the caller obtained from a first data table, called the caller's identity table, and a message routing module updated to the called terminal.
- the device 100 further comprises a module for verifying the rights of the user of the calling terminal, a module and the update module is configured to insert reputation information into the call setup request message. of the caller obtained from a second table of data, called the reputation table.
- it also comprises a module for receiving a request to add information associated with a telephone number of a caller coming from a calling terminal, said request comprising said telephone number and information relating to a content of a next call and a module for adding said information relating to a content of a next call to the additional identification information associated with said telephone number.
- module can correspond both to a software component and to a hardware component or a set of hardware and software components, a software component itself corresponding to one or more computer programs or sub-programs or in a more general to any element of a program capable of implementing a function or a set of functions.
- such a device 100 comprises a random access memory 103 (for example a RAM memory), a processing unit 102 equipped for example with a processor, and controlled by a computer program Pg, representative of the reception modules, extraction , interrogation, update and routing, stored in a read only memory 101 (for example a ROM memory or a hard disk).
- a computer program Pg representative of the reception modules, extraction , interrogation, update and routing, stored in a read only memory 101 (for example a ROM memory or a hard disk).
- the code instructions of the computer program are for example loaded into the random access memory 103 before being executed by the processor of the processing unit 102.
- the random access memory 103 can also contain a data table comprising an entry associating the caller's telephone number with access rights to the caller's identification service.
- FIG. 8 only illustrates one particular way, among several possible ones, of making the device 100 so that it performs the steps of the method for processing a request message for setting up a voice over IP call in a network of communication as detailed above, in relation to FIGS. 3 and 7 in its various embodiments. Indeed, these steps can be carried out either on a reprogrammable calculation machine (a PC computer, a DSP processor or a microcontroller) executing a program comprising a sequence of instructions, or on a dedicated calculation machine (for example a set of logic gates like an FPGA or an ASIC, or any other hardware module).
- a reprogrammable calculation machine a PC computer, a DSP processor or a microcontroller
- a program for example a set of logic gates like an FPGA or an ASIC, or any other hardware module.
- the corresponding program (that is to say the sequence of instructions) could be stored in a removable storage medium (such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM) or not, this storage medium being partially or totally readable by a computer or a processor.
- a removable storage medium such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM
- FIG. 9 is an example of the hardware structure of a device 200 for sending a call setup request message sent by a calling terminal to a called terminal in a communication network.
- a device 200 for sending a call setup request message sent by a calling terminal to a called terminal in a communication network comprising at least one module for sending a request for recording additional caller identification information in the identity table IDB, stored in said communication network, in association with a telephone number of the caller, a module for receiving a registration confirmation and a module for sending the call setup request message.
- the device 200 also comprises a module for sending to the communication network a request for updating the identity table of the caller, said update request comprising at least context information of the call.
- module can correspond both to a software component and to a hardware component or a set of hardware and software components, a software component itself corresponding to one or more computer programs or sub-programs or in a more general to any element of a program capable of implementing a function or a set of functions.
- such a device 200 comprises a random access memory 203 (for example a RAM memory), a processing unit 202 equipped for example with a processor, and controlled by a computer program Pg2, representative of the reception modules, d activation, login, verification, selection, obtaining, awakening and execution, stored in a read only memory 201 (for example a ROM memory or a hard disk).
- a read only memory 201 for example a ROM memory or a hard disk.
- the code instructions of the computer program are for example loaded into the random access memory 203 before being executed by the processor of the processing unit 202.
- the random access memory 203 can also contain the additional information that the user of the calling terminal requests to be recorded in the identity table of the communication network.
- FIG. 9 only illustrates one particular way, among several possible ones, of making the device 200 so that it performs the steps of the method for sending a call set-up request message as detailed above, by relationship with Figures 4 and 7 in its various embodiments. Indeed, these steps can be carried out either on a reprogrammable calculation machine (a PC computer, a DSP processor or a microcontroller) executing a program comprising a sequence of instructions, or on a dedicated calculation machine (for example a set of logic gates like an FPGA or an ASIC, or any other hardware module).
- a reprogrammable calculation machine a PC computer, a DSP processor or a microcontroller
- a dedicated calculation machine for example a set of logic gates like an FPGA or an ASIC, or any other hardware module.
- the corresponding program (that is to say the sequence of instructions) can be stored in a removable storage medium (such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM) or not, this storage medium being partially or totally readable by a computer or a processor.
- a removable storage medium such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM
- an example of the hardware structure of a device 300 for reception by a called terminal of a call setup request message transmitted by a call terminal in a communication network comprising at least one module for receiving said message, a module for extracting additional information relating to the caller from an information field of the message received and a module for triggering at least one action comprising a notification of said information to a user of the called terminal.
- the device 300 also comprises a module for decoding said information, said decoding comprising the identification of said key-type character and a module for determining a notification action to be triggered at least as a function of the identified key-type character.
- module can correspond both to a software component and to a hardware component or a set of hardware and software components, a software component itself corresponding to one or more computer programs or sub-programs or in a more general to any element of a program capable of implementing a function or a set of functions.
- a device 300 comprises a random access memory 303 (for example a RAM memory), a processing unit 302 equipped for example with a processor, and controlled by a computer program Pg, representative of the reception modules, extraction , decoding, determination and triggering, stored in a read only memory 301 (for example a ROM memory or a hard disk).
- a read only memory 301 for example a ROM memory or a hard disk.
- the computer program code instructions are for example loaded into the random access memory 303 before being executed by the processor of the processing unit 302.
- the random access memory 303 can also contain a table comprising a entry associating a key character with one or more actions to be triggered when the call is presented.
- FIG. 10 only illustrates one particular way, among several possible ones, of making the device 300 so that it performs the steps of the method for receiving a call establishment request message as detailed above, in relation with Figures 5, 6 and 7 in its various embodiments. Indeed, these steps can be carried out either on a reprogrammable calculation machine (a PC computer, a DSP processor or a microcontroller) executing a program comprising a sequence of instructions, or on a dedicated calculation machine (for example a set of logic gates like an FPGA or an ASIC, or any other hardware module).
- a reprogrammable calculation machine a PC computer, a DSP processor or a microcontroller
- a program comprising a sequence of instructions
- a dedicated calculation machine for example a set of logic gates like an FPGA or an ASIC, or any other hardware module.
- the corresponding program (that is to say the sequence of instructions) can be stored in a removable storage medium (such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM) or not, this storage medium being partially or totally readable by a computer or a processor.
- a removable storage medium such as for example an SD card , a USB key, a CD-ROM or a DVD-ROM
- the invention which has just been described in its various embodiments has numerous advantages. Indeed, by enriching the call presented to the called terminal with the help of caller identification information, which is managed and validated, and therefore trustworthy, by the communication network, it contributes to increasing the rate call acceptance by the called terminals.
- the enrichment of the call since the enrichment of the call is carried out in the communication network, it does not introduce any latency at the level of the called terminal before the presentation of the call to the user.
- this enrichment is based on information stored in a single table managed by the network operator and as a result, they are transmitted according to a single data format, which simplifies their interpretation and their use by the called terminals.
- the invention does not involve any modification of the syntax of the call signaling messages, since the additional information is advantageously transmitted in an information field of the call setup message which is already provided for by the standard, but was not yet used in practice.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2105725A FR3123529A1 (fr) | 2021-05-31 | 2021-05-31 | Procédé de traitement d’un appel téléphonique dans un réseau de communication, procédé d’émission, procédé de réception d’un tel appel, dispositifs, système et programmes d’ordinateur correspondants. |
| PCT/FR2022/051007 WO2022254133A1 (fr) | 2021-05-31 | 2022-05-30 | Procede de traitement d'un appel telephonique dans un reseau de communication, procede d'emission, procede de reception d'un tel appel, dispositifs, systeme et programmes d'ordinateur correspondants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4348982A1 true EP4348982A1 (fr) | 2024-04-10 |
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| EP22732603.0A Pending EP4348982A1 (fr) | 2021-05-31 | 2022-05-30 | Procede de traitement d'un appel telephonique dans un reseau de communication, procede d'emission, procede de reception d'un tel appel, dispositifs, systeme et programmes d'ordinateur correspondants |
Country Status (4)
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| US (1) | US20240251034A1 (fr) |
| EP (1) | EP4348982A1 (fr) |
| FR (1) | FR3123529A1 (fr) |
| WO (1) | WO2022254133A1 (fr) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6826271B1 (en) * | 2000-05-10 | 2004-11-30 | Lucent Technologies Inc. | Enhanced caller identification |
| US7280646B2 (en) * | 2003-04-18 | 2007-10-09 | At&T Bls Intellectual Property, Inc. | Dynamic Caller ID messaging |
| US7516184B2 (en) * | 2005-11-22 | 2009-04-07 | Cisco Technology, Inc. | Method and system for a method for evaluating a message based in part on a registrar reputation |
| US8788704B1 (en) * | 2007-04-18 | 2014-07-22 | Cisco Technology, Inc. | Sending incoming calling ID to devices after initiation of a call |
| US8290131B2 (en) * | 2007-05-03 | 2012-10-16 | At&T Intellectual Property Ii | Customized caller ID based upon called party number |
| US8681958B2 (en) * | 2007-09-28 | 2014-03-25 | Centurylink Intellectual Property Llc | Method for presenting additional information about a telecommunication user |
| US8750477B2 (en) * | 2009-07-22 | 2014-06-10 | Felix Calls, Llc | Method and system for automatic assignment of outbound and inbound call identity |
| WO2011020494A1 (fr) * | 2009-08-17 | 2011-02-24 | Telefonaktiebolaget L M Ericsson (Publ) | Procédé et appareil dans un réseau de télécommunication |
| US8462925B2 (en) * | 2010-08-26 | 2013-06-11 | Cloudtree, Llc | User-defined identity mapping for directed communications |
| US9092616B2 (en) * | 2012-05-01 | 2015-07-28 | Taasera, Inc. | Systems and methods for threat identification and remediation |
| US10165117B2 (en) * | 2016-03-28 | 2018-12-25 | Verizon Patent And Licensing Inc. | Call handling based on augmented caller information |
| US9774731B1 (en) * | 2016-03-28 | 2017-09-26 | Verizon Patent And Licensing Inc. | Adding additional information to caller ID information |
| FR3052618A1 (fr) * | 2016-06-08 | 2017-12-15 | Orange | Procede d'enrichissement d'une signalisation d'une communication et dispositif |
| US10972602B1 (en) * | 2019-10-18 | 2021-04-06 | At&T Intellectual Property I, L.P. | Call indicators for categories of calls |
-
2021
- 2021-05-31 FR FR2105725A patent/FR3123529A1/fr not_active Withdrawn
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2022
- 2022-05-30 US US18/566,036 patent/US20240251034A1/en active Pending
- 2022-05-30 EP EP22732603.0A patent/EP4348982A1/fr active Pending
- 2022-05-30 WO PCT/FR2022/051007 patent/WO2022254133A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20240251034A1 (en) | 2024-07-25 |
| FR3123529A1 (fr) | 2022-12-02 |
| WO2022254133A1 (fr) | 2022-12-08 |
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