Abstract: The invention proposes a method for handing over a session between a source network which provides a first connection type domain and a target network which provides the first connection type domain and a second connection type domain, comprising informing a network node (e.g., a user equipment (UE)), before performing a handover from the source network to the target network, a preferred transfer domain in the target network. The invention also proposes a corresponding network node and a network control element.

Abstract: The invention proposes a method for handing over a session between a source network which provides a first connection type domain and a target network which provides the first connection type domain and a second connection type domain, comprising informing a network node (e.g., a user equipment (UE)), before performing forming a handover from the source network to the target network, a preferred transfer domain in the target network. The invention also proposes a corresponding network node and a network control element.

Abstract: The present invention describes a method and system for local mobility management in which the mobility management taking place inside the mobile agent (MA) domain is hidden from the home agent (HA) and correspondent node (CN). In the method the mobile agent (MA) prefix information is broadcast over the air interface. An access router is implemented in the cellular access node (CAN). The cellular access node (CAN) also comprises a cellular access point (CAP). Proxy functionality is arranged to the cellular access point (CAP). Binding entries are created to the mobile agent (MA) so that only basic mobile IPv6 needs to be supported in the mobile node (MN).

Abstract: A method comprising: switching a mobile user equipment from a detached state to an active state; and transferring at least part of user profile information from an old control node, to which the mobile user equipment was formerly attached, to a new control node, to which the mobile user equipment is attached.

Abstract: A method of managing user profile information in a mobile telecommunications network comprising a plurality of control nodes which can send signals to, and receive signals from, mobile user equipment, the method comprising the step of transferring user profile information from an old control node to a new control node when a mobile user equipment moves from a detached state to an active state.

Abstract: The present invention relates to a relocation method, system and network element for changing a serving radio resource control entity After an initial operating state in which a user equipment (30) has radio links with a serving network element (20) and a drift network element (21) supporting said serving network element (20) with a wireless connection, the serving network element (20) transmits a relocation-specific information to a target network element (22). Based on the relocation-specific information, the target network element (22) establishes a link to the drift network element (21), such that the drift network element (21) can receive user traffic from both the serving network element (20) and the target network element (20). Then, the radio resource control is relocated to the target network element (20). The relocation-specific information may comprise an identifier or a list of identifiers of drift network elements.

Abstract: The present invention describes a method and system for local mobility management in which the mobility management taking place inside the mobile agent (MA) domain is hidden from the home agent (HA) and correspondent node (CN). In the method the mobile agent (MA) prefix information is broadcast over the air interface. An access router is implemented in the cellular access node (CAN). The cellular access node (CAN) also comprises a cellular access point (CAP). Proxy functionality is arranged to the cellular access point (CAP). Binding entries are created to the mobile agent (MA) so that only basic mobile IPv6 needs to be supported in the mobile node (MN).

Abstract: The invention relates to ATM systems, and particularly to mobility and call control management therein. A wireless ATM network comprises at least on ATM switch, and base stations connected to the ATM switch by a user-network-interface interface. In addition, at least one controlling network element of a conventional PLMN network, such as a mobile telephone exchange or a base station controller, which is responsible for the mobility management and call control, is connected to the ATM network by the UNI interface. A permanent virtual channel is provided between the base station and the controlling PLM element for PLM-specific signalling (signalling related to, for example, call control, mobility management or radio resource management). The ATM switch therebetween forwards the signalling without interpreting it in any way. The PLMN element remotely controls the ATM switch to switch a virtual connection between the base station and another point according to the ATM standards.

Abstract: The present invention relates to a relocation method, system and network element for changing a serving radio resource control entity After an initial operating state in which a user equipment (30) has radio links with a serving network element (20) and a drift network element (21) supporting said serving network element (20) with a wireless connection, the serving network element (20) transmits a relocation-specific information to a target network element (22). Based on the relocation-specific information, the target network element (22) establishes a link to the drift network element (21), such that the drift network element (21) can receive user traffic from both the serving network element (20) and the target network element (20). Then, the radio resource control is relocated to the target network element (20). The relocation-specific information may comprise an identifier or a list of identifiers of drift network elements.

Abstract: A method for call establishment in a cellular radio system including a mobile services switching center and a private branch exchange connected thereto, and a visitor location register for storing subscriber data on subscribers located within the service area of the mobile services switching center. To optimize call establishment, when the private branch exchange receives a connection establishment request from a subscriber located within its service area, the private branch exchange checks whether the private branch exchange is the home private branch exchange of the subscriber that sent the connection establishment request. If the private branch exchange is the home private branch exchange of the subscriber, the private branch exchange performs independently authentication, activation of ciphering procedures and assignment of a temporary subscriber identity and only thereafter sends a connection establishment request to the mobile services switching center.

Abstract: A dual mode terminal is provided, in which a mobile station of a mobile radio system and cordless telephone are combined. This kind of terminal can have a connection with both a base station of the mobile radio system and a base station (fixed part) of the cordless telephone system. Handover in the case of this dual mode terminal implies the transfer of a call from the base station of the mobile radio system to a base station of the cordless telephone system. A call re-establishment procedure is utilized for inter-system handovers between a cordless telephone system having terminal-initiated handovers and the supporting mobile radio system having network-initiated handovers. A single mode (cordless) terminal and a method of performing handover from a base station of the cordless telephone system to another base station of the cordless telephone system is also provided.

Abstract: In mobile radio systems, it may be necessary to support multiple radio interfaces within a single mobile radio network. To support these multiple radio interfaces, it may be necessary to support even multiple signalling protocols within a single interface between a base station controller and a mobile switch, when base stations supporting different radio interfaces are connected via a common base station controller to the mobile switch. The mobile switch and the base station controller must be capable of recognizing to which signalling protocol a message transfer in the single interface belongs to. The messages transferred in the single interface are provided with a discrimination parameter which can be used to discriminate between the messages belonging to different radio interfaces and signalling protocols.

Abstract: A dual mode terminal is provided, in which a mobile station of a mobile radio system and a cordless telephone are combined. This kind of terminal may have a connection with both a base station of the mobile radio system and a fixed part of the cordless telephone system. Handover may imply the transfer of a call from a fixed part of the cordless telephone system having a terminal-initiated handover to a base station of the mobile radio system having a network-initiated handover. In order to carry out a proper handover procedure, the cordless telephone part obtains from the mobile station part of the terminal measurement results relating to received signal strengths of the mobile system base stations in the neighborhood. The cordless telephone part of the terminal forwards these measurement results via a fixed part of the cordless telephone system to the mobile exchange of the mobile system in a handover request message.

Abstract: The invention relates to methods for call establishment in a cellular radio system. In the inventive method, the visitor location register stores information (405) on whether the subscriber (CPP) is located within the service area of its home private branch exchange (PBX) indicated with a home location area identifier, in response to the location data request (106) placed by the mobile services switching center the visitor location register (VLR) checks the subscriber data of the subscriber and finds that the subscriber (CPP) is located within the service area of its home private branch exchange indicated with a home location area identifier, the visitor location register does not initiate the mobility management functions pertaining to normal connection establishment in the system.

Abstract: The invention relates to a method for call establishment, wherein the home location register (HLR) of a cellular radio system stores information on whether a subscriber (CPP) is located within the service area of its home private branch exchange (PBX), the call to the subscriber is routed to a first mobile services switching center (GMSC), the first mobile services switching center requests (101) the home location register (HLR) to provide routing information of the subscriber, if the subscriber (CPP) is located within the service area of its home private branch exchange, the home location register sends (202) to the first mobile services switching center for comparison a roaming number having a certain correspondence with the telephone number of the subscriber, if said correspondence between the roaming number and the telephone number of the subscriber exists, the first mobile services switching center sends (203) to a second mobile services switching center (MSC) an indication of the fact that a call is to

Abstract: A telecommunication system and a method for authenticating a subscriber in a telecommunication system. The system includes a transmission network having subscriber identity codes of a first format and a first subscriber authentication procedure. An exchange of the transmission network is connected to a subsystem having subscriber identity codes of a second format and a second subscriber authentication procedure. The calls of the subscribers of the subsystem are routed through the transmission network and the exchange. The authentication of both subscriber types is enabled in the transmission network by locating the parameter generation algorithms of both the first and the second authentication procedure in a transmission network authentication center. The proper algorithm for each subscriber to be authenticated is selected on the basis of the type of the subscriber.