AT&T MDC 9000 Specifications download pdf (Page 257)

Problems with Standard Phones

Standard Phone Does Not Ring

Possible Cause 1: Ringer is turned off.

What to do: Turn on the ringer

■ If the phone rings, the problem is solved.

■ If the phone still does not ring, go to Possible Cause 2.

Possible Cause 2: Call Forwarding is turned on.

What to do: Check to see if Call Forwarding is turned on.

■ If Call Forwarding is turned on, turn it off.

■ If Call Forwarding is not turned on, go to Possible Cause 3.

Possible Cause 3: Line Ringing is programmed for No Ring or Delayed Ring.

What to do: Check the Line Ringing setting for the extension.

■ If Line Ringing is set for No Ring or Delayed Ring, change the setting if appropriate.

■ If Line Ringing is set for Immediate Ring and this phone is part of a combination

extension, see “Problems with Combination Extensions: Phone Does Not Work

Properly.”

■ If Line Ringing is set for Immediate Ring and the phone is on an extension by itself,

go to Possible Cause 4.

Possible Cause 4: Phone is faulty.

What to do: Unplug the problem phone. Plug in a standard phone that you know rings

properly.

■ If the replacement phone rings properly, the problem phone is defective. Replace it.

■ If the replacement phone does not ring properly, call the hotline*.

In the continental U.S., help is available at 1 800 628-2888. Outside the continental U.S., call your AT&T

Representative or local Authorized Dealer.

Troubleshooting 6-5

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AT&T MDC 9000 Specifications Page 257