A Cisco backup application used for backing up data on a Cisco CallManager publisher.
A CallManager server that IP phones only register with if the phones' primary CallManager server becomes inaccessible.
An ISDN bearer channel, which carries voice, data, or video.
A series of 1s and 0s, which can represent data, voice samples, or video samples.
A method of encoding binary 1s and 0s that represents a byte containing all 0s by creating a couple of bipolar violations at specific bit positions.
An error that occurs when two consecutive voltages have the same polarity.
Occurs when broadcast packets circle the network forever, consuming bandwidth and switch processor resources.
A storage space inside of a router.
The maximum number of active calls in a phone system during the busiest hour of the day.
A combination of a 480 and 620 Hz tone, with on/off times of .5 sec/.5 sec, which indicates to the caller that the called party is on the phone.
