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] B2BUAs (back-to-back user agents) background noise bandwidth on VPNs, calculating oversubscription requirements, calculating traffic engineering BBSM (Cisco Building Broadband Service Manager) bearer channels best-effort traffic break segment BRI interfaces building scalable dial plans business case for VoIP busy hour traffic, calculating |