Coverage is affected by proximity to network transmitters and local geography. D Dect - Digital Enhaanced Cordless Telephone. Primarily designed for wireless PABX connections, DECT provides voice and data services using TDMA techniques in the 1.8GHz band. A mobile telephone system which transmits voice or data by turning it into a binary code. This provides better call quality and more secure calls than analogue systems.
DROP CALL Ends an active call due to a weak signal.
DTMF Dual Tone Multi-Frequency. Sends a specific tone from a button on your phone that acts as a command during certain calls or services. E E-MAIL Electronic Mail allows users to send and receive messages via their computers and the Internet. ESN Electronic Serial Number. The standard used by UK analog mobile phones G GPRS - General Packet Radio Service.