Abstract: The invention relates to a method and a communication system (SYS) for setting up connections from a first terminal (TE) of a first communication network (TCP/IP) to a second terminal (MS) of a second communication network (PLMN). A specific access server (AS) is selected on the basis of the location (LA) of the second terminal (MS) and/or on the basis of call processing related features (CPC) necessary for handling the call in the first and/or second communication network (TCP/IP, PLMN). Thus, always the optimal access server (AS), e.g. nearest to the second terminal (MS) can be selected, together with the appropriate functionalities needed for supporting the call in the networks.

Abstract: A system, comprising various methods and apparatus providing a transparent communication session setup and control for communication sessions involving different communication capabilities, is disclosed. The system receives a request for a communication session at a proxy apparatus, the request being originated from a first subscriber to the communication session using a first group of terminals. The system identifies at least a second subscriber to the communication session using a second group of terminals. The system evaluates types of communication being available for the first group of terminals and at least the second group of terminals on the basis of the request. The system sets up terminal sub-sessions from the proxy apparatus to the first group of terminals and to at least the second group of terminals according to types of communication being available for the first group of terminals and at least the second group of terminals.

Abstract: A system, comprising various methods and apparatus providing a transparent communication session setup and control for communication sessions involving different communication capabilities, is disclosed. The system receives a request for a communication session at a proxy apparatus, the request being originated from a first subscriber to the communication session using a first group of terminals. The system identifies at least a second subscriber to the communication session using a second group of terminals. The system evaluates types of communication being available for the first group of terminals and at least the second group of terminals on the basis of the request. The system sets up terminal sub-sessions from the proxy apparatus to the first group of terminals and to at least the second group of terminals according to types of communication being available for the first group of terminals and at least the second group of terminals.

Abstract: The invention introduces a method for transmitting data packets of a call in a communication network, an edge node, a communication network and a computer program for performing said method. In the invented method, packets are sent between two edge nodes, wherein a first edge node removes redundant headers and replaces them by a new header, defined for the transmission of data packets between the edge nodes. Information that is necessary for the rebuilding of the removed headers is sent on a different path to the edge nodes, once, and stored in said edge nodes.

Abstract: The invention relates to packet control units, a traffic management system (TMSYS) and a method for managing in a network (RDN) the object traffic formed on a physical layer (PL). In the physical layer (PL) these objects move along path sections between individual path points (Px, Pa, Pb, Pc). The traffic management system comprises a packet switched control network (PSCN) including said packet control units (Rx, Ra, Rb, Rc) on a traffic control layer (TCL) in which packets moving along packet routing links between packet control units (Rx, Ra, Rb, Rc) simulate the movement of corresponding objects in the physical layer (PL). If the arrival of an object (C) is detected at a path point (e.g. Px) and the arrival of a corresponding packet is not detected at a packet control unit (Rx) corresponding to the path point (Px), a synchronisation device (SYNC) in a packet control unit (e.g.

Abstract: The invention relates to a traffic management system (TMSYS) including a layered structure of management layers. The system comprises a physical layer (PL) on which the actual traffic takes place. A traffic signalling layer (TSL) controls the traffic on the physical layer (PL) and collects traffic information (TSI) about the vehicle traffic. A traffic control layer (TCL) comprises a packet switched control network (PSCN) for routing packets to correspond or simulate the vehicle traffic. A service application layer (SAL) provides special services to the traffic control layer (TCL) and/or the traffic signalling layer (TSL). A communication layer (CL) is used for communicating the information. Each layer comprises an exchange interface for receiving/transmitting information to one or more of the other layers. The layered structure of the traffic management system allows in particular a flexible adaptation, exchange or extension of functionalities provided in each layer.

Abstract: A versatile network architecture (100) utilizing functional distribution of location registers to provide subscriber roaming without requiring local profile copies is disclosed; comprising a core network (102) having a mobility server (110) communicatively interfaced (114) with one or more external networks (106) and a profile server (108) storing subscriber records and communicatively interfaced (112) with one or more external networks (106), an access network (104) having a plurality of access service infrastructures (116) communicatively interfaced (122) with the mobility server and each providing communication access within a particular area, and one or more subscriber units (118) communicatively interfaced (124) with the profile server and operating within one of the particular areas.

Abstract: The mobile communication network (30) comprises at least one circuit switching access network (33) that supports circuit switched communications. A call control system (23) for providing call related functions for packet switched communications, arranged to send and receive call control information in accordance with a first call control protocol (SIP) for packet switched communication, is provided. An access control system (22) is arranged to exchange call control information with said call control system (23) by using said first call control protocol (SIP), and to exchange call control information with said circuit switching access network (33) by using a second call control protocol (RANAP/BSSAP).

Abstract: Provided is a system, method, and computer program for transmitting, across a mobile communication network, the occurrence of silence in a communication channel. The system generally comprises a first Media Gateway (MGW), which could be a transmission control node (first TCN), for executing a silence transmission algorithm, and a second MGW, such as a second transmission control node (second TCN), for executing a comfort noise generating algorithm. One method detects silence in a communications channel and then transmits a network silence indicator (SID). Another method receives the network SID and then produces a comfort noise. The computer program utilizes a query module for detecting a comfort noise production module in a destination MGW, and a network SID transmission module to send a network SID across a PLMN.

Abstract: A system and method for providing dynamic demand based management of traffic channel allocation in a mobile communications network providing high-speed circuit-switched data services. Traffic channel allocation for the data services is controlled dynamically by an InterWorking Function (IWF) which monitors the status of the associated buffers. The need for additional radio resources and the under-utilization of current radio resources is automatically detected by the IWF which respectively responds by initiating new traffic channel assignments via the Mobile Services switching Center or requesting the Mobile Services switching center deallocate an appropriate portion of the allocated radio spectrum.

Abstract: The present invention provides a method for operating a network system and a network system operated correspondingly for improving network resource reservations and allocations. Information included in signaling messages of a given protocol, like the resource reservation protocol (RSVP), which do not provide information about the actual communications status in the network. According to the invention, information concerning the communications/service quality of the network are collected from all over the network. In particular, such information is collected from all network domains and their routers, respectively. The collected information is communicated in the network by extending the signaling messages obtained on the basis of the given protocol. Utilizing the collected information, service quality negotiations between a server and its client are improved. This improvement can be achieved for network systems comprising a network domain serving a single client, and multicasting networks.

Abstract: A message is distributed from a source to one or more hosts in a communications network that comprises one or more multicast capable routers. To do this, a first multicast capable router generates a first table that identifies sub-branches connected to the first multicast capable router, and for each identified sub-branch, includes membership-related information from which it can be determined how many hosts are part of the sub-branch and (optionally) a metric associated with each of the sub-branch hosts. The multicast capable router then receives the message to be distributed and a first value, N1, that specifies how many hosts the message is to be distributed to, and uses the first table to identify N1 hosts and their respective sub-branches. It distributes the message to each of the identified sub-branches along with a second value that specifies how many hosts within the sub-branch the message is to be distributed to.

Abstract: The invention relates to a method for selecting transmission entities for supporting services within and between networks. The problem of selecting a transmission entity, taking as well a plurality of service parameter as a plurality of transmission entities into account, is solved by sending a request including a set of parameter to a number of transmission entities. The receiver of said request check, whether they support the requested service, or if they can offer an alternative. They transmission to different transmission entities is performed offering a number of alternatives.

Abstract: The invention relates to a traffic management system (TMSYS), which comprises a road network (RDN) on a physical layer (PL) and at least a packet switched control network (PSCN) on a traffic control layer (TCL). The vehicle traffic formed on the physical layer (PL) by a plurality of vehicles (C1-Cx) travelling along a plurality of road sections (RDS1-RDSm) of the road network is mapped into a packet traffic constituted by a plurality of packets (CP1-CPx) routed along a plurality of packet routing links. Packet control units (PCU1-PCUn) of the packet switched control network (PSCN) are adapted to control the packets (CP1-CPx) on a respective packet routing link (PRL1-PRLm) in the traffic control layer (TCL) to correspond to or simulate a respective vehicle (C1-Cx) on a corresponding road section on the physical layer (PL).

Abstract: The invention relates to a traffic management system (TMSYS) including a layered structure of management layers. The system comprises a physical layer (PL) on which the actual traffic takes place. A traffic signalling layer (TSL) controls the traffic on the physical layer (PL) and collects traffic information (TSI) about the vehicle traffic. A traffic control layer (TCL) comprises a packet switched control network (PSCN) for routing packets to correspond or simulate the vehicle traffic. A service application layer (SAL) provides special services to the traffic control layer (TCL) and/or the traffic signalling layer (TSL). A communication layer (CL) is used for communicating the information. Each layer comprises an exchange interface for receiving/transmitting information to one or more of the other layers. The layered structure of the traffic management system allows in particular a flexible adaptation, exchange or extension of functionalities provided in each layer.

Abstract: The invention relates to a messaging device, capable of sending information.

Abstract: A communication network element or part, and a method for operating a communication network part are disclosed. The communication network part comprises a first layer for transferring signalling information assigned to a telephone call being processed in the network and a second layer for transferring payload information assigned to the telephone call. An interface couples the network to a further network and comprises a signalling information exchange function and user or payload information exchange function between the network and the further network. The second layer generates an information frame which includes user information of the telephone call being transferred to and from the interface on a direct route assigned to the telephone call within the second layer and selectively suppresses the transfer of an information frame within the second layer if the information frame does not comprise any user information.

Abstract: A payload data connection arrangement within a core network in a cellular mobile communication network reduces the number of transcodings and reduces the number of transmission devices that are linked in by a more flexible handling of interworking functions. This is achieved by comparing possible payload connections between a core network and access networks for both legs of a call. Based on the result of the comparison, only those devices are linked in that are technically necessary. Methods and devices that are used to set-up data connections with said benefits are illustrated and described.

Abstract: The invention relates to a method for transporting physical objects, wherein at least one physical object is transported from a sending station to a receiving station, wherein the transport occurs through at least one physical router, wherein the physical router executes a decision about further parameters of transport to another physical router or to the receiving station.