Possible Cause 4: Local phone company is not accurately receiving the dialing signals.
What to do: Isolate the problem. Use the telephone to make calls on different lines. Then, make calls on different phones using the same line.
■If you cannot make calls from one phone on all lines, follow the procedure for “System Phone Does Not Work,” Possible Cause 2.
■If you cannot make calls using different phones, go to Possible Cause 5.
Possible Cause 5: Too many standard devices are trying to dial simultaneously. (If the problem is on a system phone, go to Possible Cause 6.)
What to do: Stay on the line and wait for dial tone, or try your call later.
■If you can make a call, you may want to increase the number of
■If you wait 30 seconds and still do not hear a dial tone, go to Possible Cause 6.
Possible Cause 6: Local phone company line is faulty.
What to do: One at a time, unplug each outside line from the 206, 400, or 200 module inside the control unit. Then plug each line into a standard telephone and try to make a call.
■If the trouble appears on the standard phone, try another line cord; if the trouble persists, report it to your local phone company.
■If the trouble does not appear on the standard phone, the trouble is with your control unit. Call the AT&T Helpline.*
Calls are Answered Automatically
A call rings once, then disappears as if it were answered.
Possible Cause 1: The Automatic System Answer or Direct Extension Dial feature is turned on.
What to do: Check to see if Automatic System Answer or Direct Extension Dial is turned on.
■If Automatic System Answer or Direct Extension Dial is turned on, turn it off by pressing the programmed button.
■If Automatic System Answer or Direct Extension Dial is not turned on, go to Possible Cause 2.
✶In the continental U.S., help is available at 1 800
