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Learning about Telephones
3-10
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
9.
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 1/2 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 5-179).
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
PARTNER Endeavor processor module has two touch-tone receivers.
Also, because standard phones do not have system line or pool buttons, feature
buttons, or dedicated function buttons, basic call-handling procedures are
sometimes different from those for system telephones. In addition, the following
actions
cannot
be performed at a standard telephone:
■ You cannot enter programming mode.
■ Because there are no line buttons on standard phones, users must use
Direct Line Pickup—Idle Line to select a specific line; otherwise, the
system selects an idle line automatically when the user dials a 9 at
intercom dial tone. (For information about Automatic Line Selection, see
Chapter 5.) Similarly, because there are no pool buttons on standard
phones, users must dial pool access codes at the intercom dial tone to
request access to an idle pooled line. (See ‘‘Making Calls’’ on page 5-140