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 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 disaster recovery Discard Eligible (DE) bits 2nd distributed call processing CCM design models downtime, availability DSCP (Differentiated Service Code Point) DSPs (digital signal processors) 2nd DTMF (dual tone multifrequency) dual token buckets dual tone multifrequency (DTMF) dual-rate policing |
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] E1, multiframes ECN (Explicit Congestion Notification) edge devices EF (Expedited Forwarding) efficiency (link) encoding waveforms encryption, CCM security endpoints MGCP RTP streams Erlangs, calculating errors, quantization ESF (Extended Super Frame) Ethernet switches events, MGCP gateways Excess Burst (Be) exchange area networks Executive CCSs existing phone systems, optimizing reliability Expedited Forwarding (EF) Explicit Congestion Notification (ECN) Extended Super Frame (ESF) Extensible Markup Language [See XML] external power |
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] Fair Queuing (FQ) Fast Link Pulse (FLP) fault tolerance MGCP FECN (Forward Explicit Congestion Notification) FIFO (first-in, first-out) queuing strategies 2nd FLP (Fast Link Pulse) Foreign Exchange Office (FXO) ports Foreign Exchange Station (FXS) ports Forward Explicit Congestion Notification (FECN) forwarding calls FQ (Fair Queuing) Frame Relay PVC shaping framing bits frequencies analog DTMF of rings FXO (Foreign Exchange Office) ports FXS (Foreign Exchange Station) ports |
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] gatekeepers 2nd 3rd gateways case study gateway-to-gateway calls (H.323) PIMG protocols H.323 MGCP SIP registration resolution glare global synchronization GoS (grade of service) ground start signaling 2nd grouping CCMs |