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Tones
Tone Meaning
Dial tone (steady) You can make a call.
Busy (slow repeating tone) The phone you are calling is busy.
Fast busy (fast repeating tone) No lines are available.
Error (alternating high-low tones) You dialed a number or used a feature incorrectly.
Confirmation (double break in You used a feature correctly.
dial tone followed by steady tone)
Call & Fixed-Feature Button Lights
Each Call or fixed-feature button has a red light and a green light next to it. These lights provide the
following important information:
Light Button/Meaning
Steady red Call. Lift the handset or press the Speaker button to automatically
connect to the call.
Alarm. Something is wrong with the system. Contact system manager.
Handset/Headset Mute. Headset and handset microphones are off.
Steady green Fixed-Feature Button (see pp. 3–4). Feature on button is active.
Steady red and green Call. You are on a call at this button.
Steady red and Call. A call is coming in on this button.
Flashing green
Flashing green Night Service. Enter the password to turn Night Service (see p. 22)
on/off.
Fast-flashing green Call, Source, Destination. A call is on hold at this button.
Understanding Your QCC
Rings
The table below helps you identify the different types of ringing.
Ring Meaning
1 long ring Inside call
1 long ring and 1 short ring Outside call
QCC pp 03-09 4/14/97, 10:33 AM5