Lucent Technologies PARTNER Advanced Communications System Programming And Use Instructions page 79

Ringing Patterns
Standard phones have these ringing patterns:
An outside call will ring... ring... ring.
An intercom call will ring-ring... ring-ring... ring-ring .
A transferred call, or an unanswered transferred or parked call that is
ringing back, will ring-ring-ring... ring-ring-ring... ring-ring-ring.
NOTE:
If you use the system with PBX or Centrex lines, the PBX/Centrex distinctive
ringing patterns are not passed to phones. Telephones use the ringing
patterns described here instead.
Dial Tones
Standard phones have two different dial tones:
Outside dial tone is generated by your local telephone company to
indicate that you are connected with an outside line.
Intercom dial tone is generated by the system to indicate that you are
connected with an inside line. You hear this dial tone when you are making
an inside, or intercom , call.
To hear the difference between the two dial tones, lift the handset. The dial tone
you hear (assuming the phone is set to select intercom first, as recommended in
this guide) is an intercom dial tone. To hear an outside dial tone, press
Using the Switchhook
Some of the call-handling instructions in this guide direct you to "rapidly press and
release the switchhook." Pressing the switchhook for 1/4 to 1 second sends a
signal over the line called a switchhook flash . However, do not press the
switchhook too quickly. If you press the switchhook and nothing happens, try
again and press it a little longer.
NOTE:
If your feature phone has a button labeled "Recall" or "Flash," use the button
instead of pressing the switchhook. If you use the system with PBX or
Centrex lines, your PBX or Centrex documentation may tell you to press the
switchhook to access PBX or Centrex features. Use the Recall feature
instead (see ''Recall (F03)'' on page 5-218).
Limitations
Each standard device requires one touch-tone receiver to be available in order to
dial a call (intercom or outside) or to activate a feature using a code. Each
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