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The Call Progress Train routine fills in values (depending on the four conditions above) on pages 2 and 3 of the
Station Block as follows:
Page 2 Settings:
Maximum Sound and Silence
Delay Before Returning
Sound and Silence Filters
Sound and Silence Tolerance
Page 3 Settings:
Busy Signal Classification
Ring Signal Classification
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Initial Delay
Before Listening The delay after dialing before monitoring call progress events (measured in milliseconds).
Before Testing Loop The delay after dialing before looking for a loop current drop (measured in milliseconds).
Ring And Busy Counts
Initial Rings To Ignore The number of initial ring signals to ignore before monitoring call progress.
Rings For No Answer The number of initial rings to count before assuming no answer.
Busy Cycles For Busy The number of extra cycles to monitor if detecting busy (less than 0 is OK {i.e., -1}).
Block Types and Descriptions
90
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Page 2 of 4