You could expect to run into a situation where MaxWaitBetweenRings comes into
play if someone calls into voice mail, but before Unity answers the call, that caller
hangs up. Now a second person calls in on that same port. With the type of analog
signaling that is used (analog loop-start), the only way to tell the difference between
these two calls (because the first call was never answered) is the time duration
between the two ring-ons.
New Call Signalled
Presence of
Ring Voltage
Absence of
Ring Voltage
012
Time (Seconds)
MinimumRingOn
MinimumRingOff ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.