A user directory included with the Cisco CallManager software.
An ISDN channel that carries signaling information, using the Q.931 protocol.
Represents the amount of work a CCM can perform.
A configuration option that tells a router how to reach specific phone numbers.
A set of instructions for reaching various phone numbers.
A sample representing the difference between a digital sample and the previous sample, which consumes less bandwidth than sending an entire sample.
Two simultaneous frequencies that are interpreted as a dialed digit.