In multichannel

telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...

systems, the loading characteristic is a plot, for the

busy hour In telecommunications, busy-hour call attempts (BHCA) is a teletraffic engineering measurement used to evaluate and plan capacity for telephone networks. BHCA is the number of telephone calls attempted at the sliding 60-minute period during which o ...

, of the equivalent mean power and the peak power as a function of the number of voice channels. The equivalent power of a multichannel

signal In signal processing, a signal is a function that conveys information about a phenomenon. Any quantity that can vary over space or time can be used as a signal to share messages between observers. The '' IEEE Transactions on Signal Processing' ...

referred to the

zero transmission level point In telecommunication, a transmission level point (TLP) is a physical test point in an electronic circuit, typically a transmission channel, where a test signal may be inserted or measured.Whitham R. Reeve (1992) ''Subscriber Loop Signaling and Tra ...

is a function of the number of channels and has for its basis a specified voice channel mean power.

References

Telephony {{telephony-stub