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] [X] D-channel Data Connection (DC) Directory databases, copying DC (Data Connection) Directory DE (Discard Eligible) bits Default PHB defining logarithmic scales delay round trip serialization deploying CCMs design [See also configuration] CCM centralized call processing models distributed call processing models single-site models networks redundancy determining GoS devices edge redundancy dial peers dial plans dialing pulse touch tone types difference signals Differentiated Service Code Point (DSCP) DiffServ (Differentiated Services) digital circuits, connecting digital signal processors (DSPs) 2nd digitizing voice [See also conversion] direct gateway-to-gateway calls (H.323) Direct Transfer feature (IP Phone) DirTrfr softkey disaster recovery Discard Eligible (DE) bits 2nd distributed call processing CCM design models downtime, availability drops DSCP (Differentiated Service Code Point) DSPs (digital signal processors) 2nd DTMF (dual tone multifrequency) dual token buckets dual tone multifrequency (DTMF) dual-rate policing |