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] fax pass-through fax, enabling Cisco fax relay fax pass-through T.37 fax store and forward T.38 fax relay FDM (frequency-division multiplexing) features of AutoQoS fidelity firewalls five nines of availability fixed delay forward-digits command FRF.12 (Frame Relay Forum 12) FX (foreign exchange) trunks FXO (foreign exchange office) interfaces interfaces ports, configuring FXO-to-FXS connections FXS (foreign exchange station) interface 2nd ports, configuring |