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: A terminal for use with a wireless local area network, said terminal being arranged to use at least part of at least one of the following pieces information as an identity: a MAC Medium Access Control address of an AP access point to which said terminal is connected to, in use; a MAC address of said terminal; a signal line identifier of a fixed line that said terminal is connected to in use either directly or via a WLAN access point AP; and a switch or router port number of a fixed line that said terminal is connected to, in use, either directly or via a WLAN access point AP.

Abstract: A method for maintaining association between switching units in a network includes the steps of determining that a call is to be routed via a base station, routing units, and a switching unit. The call is then routed via the base station, at least one routing unit, a routing link, and a switching unit. An association message is transmitted to the switching unit to inform it of an address of an additional switching unit. A mobile station within a coverage area of the base station is capable of communicating with the switching units, and elements of the system are configured to address the additional switching unit to determine whether the mobile station is communicating via an appropriate path.

Abstract: The invention relates to a packet-switched part of a mobile communication system, utilising PDP addresses as temporary or permanent network-layer subscriber addresses. With the PDP context a mobile station (MS) is connected to different PDP addresses. A PDP context comprises different data transmission parameters, such as QoS and TFT. The user can modify his PDP context. The invention comprises storing (3-6) the original TFT parameter at least for the duration of the PDP context modification, so that it can be returned (3-9) to the gateway GPRS support node (GGSN) if the radio network does not accept the new QoS profile during the PDP context modification.

Abstract: Method comprising the steps of, when a mobile station is connected in a call routed to a first part via a first base station, a first routing unit and a first switching unit and the mobile station is within the coverage area of a second base station; determining that the call is to be transferred to be routed to the first part via the second base station, a second routing unit, the first routing unit and the first switching unit: routing the call to the first part via the second base station, the second routing unit, a routing link, the first routing unit and the first switching unit; and transmitting an association message to the first switching unit to inform it of the address of a fourth switching unit; whereby the mobile station is capable of communicating with a second part via the fourth switching unit, and the first switching unit is capable of addressing the fourth switching unit for determining whether the mobile station is communicating with the second part via the fourth switching unit.