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Poor Transmission Quality on Modem
Possible Cause: A high-speed modem is connected, through an extension jack on a
system module, to a standard central office telephone line; but the line quality is not
sufficient to generate a clear signal when the modem transmits through the system
interface.
What to do: Either connect the modem directly to the network interface jack for a line, or
contact your local telephone company for information about upgrading line quality.
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If the device works properly, the problem is solved.
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If the problem remains, call the hotline*.
No Music On Hold
Possible Cause 1: Music on Hold coupler is not connected to extension jack 15.
What to do: Connect the Music on Hold coupler to extension jack 15. See Appendix C for
instructions.
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If the device works properly, the problem is solved.
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If the device still does not work, go to Possible Cause 2.
Possible Cause 2: Music/Tones On Hold (#602) is not set correctly or the volume on the
Music on Hold coupler or on the device is too low.
What to do: Check to make sure that Music/Tones On Hold (#602) is set to Music On
Hold. If it is set correctly, turn up the volume on the Music on Hold coupler or on the
device.
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If the device works properly, the problem is solved.
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If the device still does not work, call the hotline*.
Can’t Program Top Row of Buttons on
PARTNER-18D Phone
Possible Cause: The buttons in the top row on the PARTNER-18D phone are operational
only on the the PARTNER II and PARTNER Plus systems. They cannot be programmed on
a PARTNER system.
What to do: No action is required.
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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 6-9