Copyright © Philip M. Parker, INSEAD. Terms of Use.

(From Wikipedia, the free Encyclopedia)
Note: A limit may be imposed by the design criteria of the network to prevent more than a permitted number of unsuccessful call attempts to the same address within a specified period.
Source: from Federal Standard 1037C
Source: the above text is adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Automatic calling."
Copyright © Philip M. Parker, INSEAD. Terms of Use.