Your Telephone

Tones

Rings

Dial tone (steady tone)

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 or used a feature incorrectly.

Confirmation (double break in dial tone followed by steady tone)

You used a feature correctly.

Callback (5 short beeps)

A line or pool you selected, or an extension you called, is busy and the system is putting your call into the callback queue.

Call Waiting (1 or 2 beeps)

You have an inside call (1 beep) or an outside call (2 beeps) waiting for you.

1 long ring Inside call.

1 short ring and 1 long ring Outside call.

1 long ring and 3 short rings

Outside call transferred to you or a call you transferred returning to you.

1 beep each minute

Call on hold reminder tone.

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Lucent Technologies 4406D+, 4412D+, 4424D+, and 4424LD+ Telephone manual Tones Rings