Aastra Dialog 4425 IP Vision - Page 42

Introduction to Your Extension
MD Evolution – Dialog 4425 IP Vision42
This ring is distinctly cadenced, according to whether the incoming
call is an internal or external call. The cadence is faster for an
external call.
Note: Your facility also usually provides integrated on-hold
music, to which every external calling party either placed on
hold or parked will be connected.