| One short tone |
Your call is going to a coverage point. |
| One short ring or one soft beep |
Call from another extension. |
| Two short rings |
Call from outside system. |
| Three short rings or three short beeps |
Priority call, Automatic call back, or Consult. |
| "Special Audible Ring", ring with lower pitch to the end |
Signals caller that call waiting tones have been sent to called extension and extension is busy. |