Definitions for "Out of Band"
Keywords:  dialtone, oob, ringback, tates, band
The transferring of information using an outside or separate channel. Out of band apparatus is recurrently used to disperse shared secrets with symmetric key encryption, to authorize sensitive information and initialize or otherwise facilitate the operation of cryptography or other security validation of a ssl certificate on a secure server.
Taking place outside the normal data traffic channel.
Any frequency outside the band used for voice frequencies is known as "out of band." Out-of-band signaling refers to the use of transmission facilities other than the primary channel bandwidth for simple transmission control pulses. OOB is also the use of narrow band filters to place a voice signal on a carrier channel below 3,400 Hz, reserving the 3,400—3,700 Hz band for supervisory signals.
Refers to the capacity to deliver information via modem. Synonymous with "off the network."
The state of a server when it is not operational due to hardware failure or scheduled maintenance.
Keywords:  accessible, place
In a place not normally accessible.