A threshold is typically a minimum value for a quantity.
In telecommunication, the term threshold has the following meanings:
The minimum value of a signal that can be detected by the system or sensor under consideration.
A value used to denote predetermined levels, such as those pertaining to volume of messagestorage, i.e., in-transit storage or queue storage, used in a message switching center.
The minimum value of the parameter used to activate a device.
The minimum value a stimulus may have to create a desired effect.
