Abstract: A method and apparatus are provided for configuring management parameter values of data messages of a data stream. The method includes a first step of sending from a first communications network to a second communications network a first message of the data stream including a first data message management parameter value and a second step of sending from the second network to the first network a second message of the data stream including a second data message management parameter value. The method further includes a step of selecting from the first and second management parameter values a management parameter value to be applied to all the data messages of the data stream.

Abstract: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their respective values corresponding to at least one block parameter to be coded; determining a value of the parameter, the value being characteristic of said group of blocks; coding blocks of the cluster, where the values of the blocks for the parameter are coded implicitly by inheritance of the characteristic value or are coded as refinements relative to the characteristic value, and coding a data structure associated with the cluster of blocks, the data structure including data associated with the characteristic value.

Abstract: A method of transmitting data and service information associated with said data, including an addressing step during which a set of service information D(Si) that is intended to be stored is referenced by means of an address AD. The address AD includes a session identifier Si, a session being defined as a string of successive activations of different communications means. Service information D(Si) is marked unequivocally by means of an identifier Si that is invariant throughout the session concerned. Thus no element external to that session can reach or degrade the service information, and its permanence is guaranteed until the end of the session.

Abstract: The method of the invention comprises: a step of receiving a message (M1) sent by a user (T-B) of the first network, said message containing an access rule authorizing a user of a second network to access at least one multimedia content, said content being indexed with a content server (MS-B2) of the first network; a step of sending a first notification message (M2) to a trusted entity (PFS) managing the interface between the first network (NW-B) and the second network (NW-A), the first notification message (M2) containing a remote access rule (RAD) authorizing said user of the second network to access multimedia contents belonging to said user of the first network; and a step of commanding a gateway (HGW-B) of the first network (NW-B) by means of a local access rule configuring said gateway, such that said gateway transmits a catalog of contents to which said user of the second network is authorized to access on reception of an access request relating to said catalog coming from said user of the second ne

Abstract: A method for propagating at least one route for at least one digital stream between a first location server of a first IP telephony domain and a second location server of a second IP telephony domain. The first location server belongs to a first autonomous system and the second location server belongs to a second autonomous system. The method includes sending digital stream routing update messages to the second location server. The update messages contain information for managing quality of service, and, prior to being propagated towards the second server, the information is updated by the first server. The information includes at least one of the following: information about a quality of service component associated with at least one autonomous system, referred to as a system component; and information about a quality of service component associated with at least one IP telephony domain, referred to as a domain component.

Abstract: The invention concerns a method for trained discrimination and attenuation of echoes of a digital audio signal generated from a transform coding, which consists, for each current frame of the signal. In comparing (A) in real time, in at least one frequency band a variable derived from one characteristic of the echo generating signal with that of a non-echo generating signal at a threshold value, and deducing therefrom (B) the existence or non-existence (C) of an echo derived from the transform coding, discriminating the existence of the echo and defining (D) a false alarm zone in the high-energy parts of the digital audio signal, determining an initial processing and attenuating the echoes (E) in the parts complementary to the low-energy false alarm zone and inhibiting (F) the attenuation of echoes in the false alarm zone. The invention is applicable to the technology of coders/decoders in particular hierarchical coders/decoders.

Abstract: A method is provided for transmitting a multiple-carrier signal. The method includes modulating data symbols representative of a data signal to be transmitted, which includes a filtering by at least one prototype function using at least two different filtering coefficients, thus providing a modulated signal including a time sequence of multiple-carrier symbols. A hold interval is inserted in front of at least one multiple-carrier symbol of the modulated signal, thus providing the multiple-carrier signal.

Abstract: A method is provided for filtering a scalable video stream, organized in the form of data unit blocks, each of which comprises a base data unit and a set of data units distributed according to two types of enhancement data, corresponding respectively to time and/or space and/or quality characteristics and making it possible to define several quality levels. The method defines at least two distinct filtering profiles, or paths of each block data units, wherein each path defines a row of successive foldover positions and each foldover position uses at least by one less data units than a previous position, and selects one of the paths according to a predetermined criterion, taking into account the type of content of the stream and/or at least one information item representing the capacities of a terminal receiving the stream.

Abstract: A method of controlling an execution of a software application. The method includes, within a control device designed for driving at least one multimedia contents restitution device: a step of obtaining, from an execution device configured to trigger an execution of the software application, first connection data to be used by a restitution device to establish a first communication link across a network with the execution device and receiving, during the execution, via the first communication link a multimedia stream resulting from the execution; a step of transmitting to the restitution device parameters for restitution of a multimedia content comprising the first connection data; and a step of dispatching to the restitution device a command for restitution of the multimedia content, intended for triggering a restitution by the restitution device of the multimedia stream.

Abstract: A method and apparatus are provided for processing a delayed resource reservation request in an optical telecommunication network for transferring data between a source device and a destination device, wherein the control plane is different from the transfer plane. Upon a node device of the network receiving the resource reservation request sent from the source device to the destination device via a path including at least one node device, the request containing at least one first parameter relating to the start of the connection at the source device, the method includes the following steps: obtaining information relating to a signal transfer time via the path up to an upstream node device; updating the information by adding a signal transfer time at the intermediate equipment; and calculating a date for the start of the resource reservation at the node device using the value of the first received parameter and the information.

Abstract: The disclosure relates to a method for communication between a secure information storage device and at least one third party with which information is exchanged. An entity ensures the management of a plurality of secure information storage devices to which said device pertains.

Abstract: A method for secure communications in a telecommunications network is disclosed. The network comprises a group of servers Si, referred to as Authorization Servers. For a transaction between an entity A and an entity B of this method comprises: a) entity A sends to one of the Authorization Servers Si an authorization request; b) the entity A declares to the Authorization Server Si its intention to communicate with entity B and the Authorization Server Si determines an individual secret key KSiB which it shares with entity B; c) the Authorization Server Si generates a session key KN,SiAB and sends the session key KN,SiAB to entity A; d) the Authorization Server Si generates a transaction identifier IDTRN,Si; e) the authorization server Si supplies entity B the transaction identifier IDTRN,Si; f) using this transaction identifier IDTRN,Si, entity B checks the validity of the transaction, and g) entity B generates the session key KN,SiAB.

Abstract: A telecommunication network comprises multiple radio cells (13-15) and a data base (12) which is linked to a multiple number of cells and which comprises information relative to the radio resources of each radio cell of the multiple numbers of cells. The data base is managed by a data base management entity (16). Via the first cell, a requesting message (21) is broadcast to the data base management entity requesting information concerning the radio resources of at least a second cell of the multiple numbers of cells. Then, a response message (22) is received from the data base management entity with the requested information. Finally, radio resources are requested from the second cell on the basis of the information received.

Abstract: A method of terminating a call is used by a voice over IP terminal (3A, 3B) registered with an IP network core (2) and comprises a step of detecting the terminal (3A, 3B) hanging up during the call, a step of sending a device of the IP network core (2) a message to release the resources allocated to the call, and after the detection step, a step of waiting a predetermined time before sending the resource-release message. The resource-release message is sent at the end of the waiting step if the terminal (3A, 3B) being picked up is not detected during the predetermined time.

Abstract: A method and apparatus are provided for establishing a first pseudo-wire between a first item of input terminal equipment and an item of output terminal equipment, used by the first item of input terminal equipment. The method includes a step of transmitting a first message requesting establishment of the first pseudo-wire to an item of switching equipment, the first pseudo-wire to be established consisting of a first link between the first item of input terminal equipment and the item of switching equipment and of a second link between the item of switching equipment and the item of output terminal equipment. In such a method, the first establishment-request message also includes a request to establish at least one backup pseudo-wire consisting of the second link and of a third link to be established between the item of switching equipment and a second item of input terminal equipment.

Abstract: The invention concerns the detecting of a double attachment of an equipment communicating both with a wireless network and with a wired network, in particular when the connections with said networks are established by sending a connection configuration request comprising an identifier of the equipment, such as DHCP Host Name. The invention is characterized in that it consists: a) in detecting, at least on the wireless network, connection configuration requests emitted by the equipments (E10), b) analyzing the contents of the requests and extracting the equipment identifiers (E11), c) from one equipment identifier extracted at step b), determining whether said equipment has additionally sent a connection configuration request at least to the wired network with the same identifier (E13), and d) triggering an alarm if the result at step c) is positive (E16).

Abstract: A method for communication, in a packet-mode communication network, between user equipment and a data network. A session is established between the user equipment and a data-network access gateway via an access network. The method includes: detecting a request for access to a service based on at least one packet transmitted by the user equipment via the established session; a first step of determining, based at least one criterion, that a new session is to be established; a step of sending, to the user equipment, a control to establish a new session, the user equipment initiating establishment of the new session; a second step of determining another access gateway, the other gateway being suitable for the service required by the user equipment; and establishing the new session initiated by the user equipment, from which the new session is established between the user equipment and the other gateway.

Abstract: A method of filtering an electronic medical record (EMR) based on a selected body part (SBP). The method may be controlled by one or more controllers and may include one or more acts of obtaining image information of a patient, analyzing the image information using an object recognition method, identifying a SBP of the patient based upon the analyzing of the image information, and filtering the EMR of the patient in accordance with the SBP.

Abstract: A device (D) dedicated to control of bandwidth used by a work station (3-j) that can be connected to a network allowing the user to access a service that doesn't require feedback, this network being a frequency division duplexing network which accommodates at least one frequency bundle branch block of the first type, dedicated to transmission of data bundles, and a second type district from the first type. This device has i) the capacity to analyze at least signalling information received from the work station on the first type block, and ii) a switchover feature which is activated if the analysis device detects signalling information signalling the availability of a service on a second type frequency block range, to receive second type data stream on the second type frequency block.

Abstract: A method is provided for transmitting a multicarrier signal formed by a temporal succession of multicarrier symbols, which includes: at least one preamble formed by at least three successive multicarrier symbols, known as preamble symbols, including complex-value data elements each associated with a carrier of the signal; and multicarrier symbols, known as data symbols, including real-value data elements each associated with a carrier of the signal. The method includes a carrier-shaping step including filtering the carriers of the preamble symbols using a first prototype filter, and filtering the carriers of the data symbols using a second prototype filter different from the first prototype filter.