DECT phone system
The Digital Enhanced Cordless Telecommunication (DECT) standard describes a time domain multiple access communication system in which a plurality of secondary stations can transmit data to a primary station using time slots-with a length of 480 bits. DECT covers wireless PBXs, telepoint, residential cordless telephones, wireless access to the public switched telephone network, closed user groups (CUGs), local area networks, and wireless local loop. The DECT protocol includes provision for time division multiplexing between a base station and mobile users, with each time frame comprising a base transmission portion and a mobile transmission portion divided into time slots. During the base transmission portion, the base station transmits in each time slot to a mobile user, and during the mobile transmission portion each mobile user transmits in an assigned time slot back to the base station. A DECT base station can transmit all 120 possible accesses by using different frequencies or using only one frequency. All signaling information is transmitted from the RFP within a multi-frame.
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