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] random early detection (RED) RAS (Registration, Admission, and Status) Real-Time Transport Protocol (RTP) 2nd 3rd records bandwidth CDRs RED (random early detection) redundancy CCMs devices VRRP Registered Jack (RJ) Registration, Admission, and Status (RAS) registration, gateways reliability, optimizing remarking, CoS remote site (SRST), maintenance replacing IP Phones switches with CCM trunks replication requirements for telephony systems residential gateways resolution, gateways resources, transcoding ring backs 2nd ring cadence ring frequency ring patterns Ring wires rings, number of RJ (Registered Jack) RJ-45 connectors root bridges round trip delays routers CME digital circuits phone lines RTP (Real-Time Transport Protocol) 2nd 3rd run-time data |