Encyklopedia, frazy DEF
- Dialog S.A.
- DSP (Digital Signal Processor)
- DTMF (Dual Tone Multi Frequency)
- DWDM
- EDGE (Enhanced Data Rates for Global Evolution)
- Efekt pamięci w akumulatorach
- Ekran dotykowy (Touchscreen)
- EMS ( Enhanced Message Service)
- Era GSM
- Era Tak Tak
- Ericsson
- ETSI (The European Telecommunications Standards Institute)
- EVDO
- Ezo Mobile
- Firmware
- France Télécom
- FreeM