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Definition of "Voice Private Branch Exchange" |
Voice Private Branch Exchange is a switch station for telephone systems. It consists mainly of several branches of telephone systems and it switches connections to and from them, thereby linking phone lines. / Common Channel Signaling is signaling in which a group of voice-and-data channels share a separate channel that is used only for control signals. This arrangement is an alternative to channel associated signaling, in which control signals, such as those for synchronizing and bounding frames, are carried in the same channels as voice and data signals. |
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