Abstract: A communications system comprising a first station capable of communication with a second station over a wireless channel, data being carried over the wireless channel in superframes, each superframe comprising a plurality of frames and each frame comprising a plurality of timeslots; the system having: a first mode of operation in which a full rate data channel for circuit switched communications is defined by the allocation to that data channel of corresponding time slots in each frame; a second mode of operation in which two half rate data channels for circuit switched communications are defined by the allocation to each of those data channels of an equal number of corresponding time slots of frames in each superframe; and a third mode of operation in which four quarter rate data channels for circuit switched communications are defined by the allocation to each of those data channels of an equal number of corresponding time slots of frames in each superframe.

Abstract: A method for controlling the handover of a DECT portable part from a first DECT fixed part to a second DECT fixed part during provision of a data service, both fixed parts communicating with a GSM mobile switch center, the method comprising the first fixed part detecting that the handover has been requested, and in response modifying its control of the link between itself and the mobile switch center to inhibit acknowledgement to the mobile switch center of data not received by the portable part from the first fixed part.

Abstract: A method for controlling handover of a DECT portable part from a first DECT fixed part to a second DECT fixed part during provision of a data service, both fixed parts communicating with a GSM mobile switch center, the method comprising the first fixed part detecting that the handover has been requested, and in response modifying its control of the link between itself and the mobile switch center to inhibit acknowledgement to the mobile switch center of data not received by the portable part from the first fixed part.