AT&T SBC-420 Telephone User Manual


 
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ADDITIONAL
ADDITIONAL
PROGRAMMING TREE
PROGRAM
▲▼: select
LANGUAGE
▲▼: select
:enter
TIME/DATE
▲▼: select
:enter
LANGUAGE
= English
▲▼: select
SAVE?
LANGUAGE
= Spanish
▲▼: select
SAVE?
LANGUAGE
= English
Programmed!
IDIOMA
= Español
Programado!
EXTENSION NO
▲▼: select
:enter
EXTENSION NO
= 22
▲▼: select
SAVE?
EXTENSION NO
= 22
Programmed!
MONTH
01/01 1:52A
▲▼: select
SAVE?
DATE
01/01 1:52A
▲▼: select
SAVE?
HOUR
01/01 1:52A
▲▼: select
SAVE?
MINUTES
01/01 1:52A
▲▼: select
SAVE?
AM/PM
01/01 1:52A
▲▼: select
SAVE?
DAY OF WEEK
= Sunday
Programmed!
DAY OF WEEK
= Sunday
▲▼: select
SAVE?
Error Tone (Fast Busy Signal) Heard When Making an Intercom Call
The Do Not Disturb feature is activated at the extension you are calling.
Line Lights Remain On When No Line is Connected
Make sure the system is programmed for that line to be off. (See “Programming the Line
Usage” in PROGRAMMING OPTIONS.) See pg. 14.
Make sure that your Line Groups are programmed properly. (See “Programming Line Groups/
Private Line” in PROGRAMMING OPTIONS.) See pg. 16.
Disconnect all other devices (fax, modem, credit card reader, etc.) from any lines connected
to your phone. These devices can interfere with the system’s data links.
Operation During a Power Failure
A 9-volt battery must be installed for power failure operation. See pg. 36.
No Call Waiting Caller ID Information While on a Call
You must subscribe to combined Caller ID with Call Waiting as a single service to see Call
Waiting information.
Call Waiting Caller ID records will not be displayed or logged during a 3-Way Conference Call.
Display Screen is Blank
Make sure the power cord is connected to both the phone and an electrical outlet that is not
controlled by a wall switch.
Verify that the AC outlet is working by plugging a lamp, etc. to test.
No Caller ID Information Received
Subscription to Caller ID service is required.
Caller ID information is transmitted by the telephone between the first and second rings. If
you answer a call before the second ring, the Caller ID information may not be displayed.
Call Waiting Caller ID records will not be displayed or logged during a 3-Way Conference Call.
MESSAGE WAITING/NEW CALL Light Flashes
Make sure you have deleted all messages on all lines.
It may be a false indicator from the Central Office. To clear, see “Turning the Message Waiting
Indicator On/Off” in ADDITIONAL FEATURES.
TROUBLESHOOTING