Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Y] DCOP (Desktop Communication Protocol) desktop shortcuts dial keys dial-in number dial-up connections dialing letters DinersClub directory assistance (411) Dry DSL DSL (Digital Subscriber Line) regular phone use with Skype and DSP (digital signal processing) DTMF (Dual Tone Multi-Frequency) |