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] [Y] [Z] o extension, Asterisk O recommendations OC (optical carrier) 2nd OC-1 circuit OC-12 circuit OC-48 circuit off-hook OhPhone softphone 2nd 3rd 4th 5th OhPhoneX softphone onboard analog media interface Open H.323 2nd 3rd administrative GUIs for bugs in, information about OpenGK opengk OpenLine 4 interface card OpenMCU OpenSwitch 6 interface card optical carrier (OC) 2nd optical STS connection OPTIONS method, SIP 2nd Orbit 2nd Originate command, Asterisk Manager API OSI (Open Systems Interconnect) model out-of- band signaling 2nd 3rd outboard analog media gateway Outlook, playing back voice mail with overcapacity as QoS solution overflow valve overhead costs overhead paging overmodulation |