AT&T Syn248 SB35020 User manual

Quick Start Guide
AT&T SB35020/SB35025 Deskset
®

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Deskset Overview
This page identifies and describes the main display and key groups for the Syn248®
SB35020 Deskset and SB35025 Deskset. For additional information, see the User’s Guide,
available from www.telephones.att.com/smb.
Liquid Crystal Display (LCD)
Provides controls and information
for using the Deskset.
Soft Keys
Perform different actions
depending on the LCD labels.
Voicemail Indicator
Lights when there are new
Voicemail messages.
Navigation Key
Moves the cursor up/down/
left/right and shows additional
entries and soft key labels.
Hard Keys
A set of fixed-function keys.
Display Keys
Control the display.
Programmable Feature Keys
Provide easy access to
call functions that your system
administrator can configure.

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Hard Keys
Select
Selects a highlighted screen item.
Menu
Accesses the menu.
Cancel
Cancels the most recent operation
and returns to previous function.
Programmable Feature Keys
Provide easy access to various call
functions, depending on configuration.
For default settings, see next page.
Speaker
Routes audio to speakerphone. Can
be used to go off hook or on hook.
Mute
Prevents your voice
from being heard.
Hold
Allows access to other calls and features
while maintaining call connection.
Volume Keys
Increase and decrease the ring
volume. During a call, increase and
decrease incoming voice volume.
Headset
Routes audio to a headset
(not supplied). Can be used to
go off hook or on hook.
Dial Pad

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The Deskset features ten programmable feature keys that can be programmed by your
system administrator. The keys include color LEDs to indicate the status of some functions.
The Deskset shipping box includes replacement programmable feature key cards and stickers
for labeling the keys. The default key assignments are shown on the right. Your system
administrator can also assign the following features to the programmable feature keys:
• Held Calls List
• QD_______ (Quick Dial)
• DND (Enable/disable Do Not Disturb)
• Help
Line Keys
Provide access to outside lines for making and answering calls. By default, the top four keys
access lines 1 to 4. Your Line key configuration may be different.
Intercom Key
Accesses a line for Deskset-to-Deskset calls. By default, the Intercom key is the bottom
programmable feature key. Your system administrator can assign additional Intercom keys.
Programmable Feature Keys
If any keys have been programmed as quick-dial keys, you can enter quick-dial numbers for those keys using
the Web User Interface (WebUI) that resides on your Deskset.
For information on entering quick-dial numbers, see “Web Interface” in the User’s Guide, available from
www.telephones.att.com/smb.

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Programmable Feature Key LEDs
The programmable feature key LEDs change appearance to indicate call and feature status.
Key LED Activity Description
Line 1–4
Off
Steady GREEN
Slowly Flashing GREEN
Quickly Flashing GREEN
Steady ORANGE
Slowly Flashing ORANGE
No call
Active call
Held call
Ringing incoming call
Active call at another Deskset
Held call at another Deskset
Page
Off
Steady GREEN
Quickly Flashing GREEN
No page
Making page
Receiving page
Do Not Disturb Off
Steady ORANGE
DND Off
DND On
Call Log Off
Steady ORANGE
No new calls
One or more new missed calls
Messages Off
Steady ORANGE
No new messages
One or more new messages
Intercom
Steady GREEN
Slowly Flashing GREEN
Quickly Flashing GREEN
Active call
Held call
Ringing incoming call

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The Idle screen appears when the Deskset has power and no activity.
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Idle Screen
Extension Number
Number assigned to this Deskset.
Date and Time
Extension Name
Name that the system administrator
assigned to this Deskset. New Messages
Number of new, unreviewed
voice messages.
Status indicators appear in the upper right-hand corner of the Idle screen.
Icon Status Icon Status
ANS Intercom Auto Answer is on. Ringer volume is set to off.
DND Do Not Disturb is on.
Voicemail is full. Voicemail is nearly full.
Status Indicator Area

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Soft Keys
Three context-sensitive soft keys provide functions indicated by labels on the screen.
Soft key labels with and shapes indicate the feature uses more than three soft keys. To view the
additional keys, press vor won the navigation key.
Scroll Indicators
Scroll indicators appear in the upper right-hand corner of the screen when you can view more information by
pressing rand son the navigation key.
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Soft Keys and Scroll Indicators
Scroll Indicators
Soft Keys
Change according
to the current task.

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You can make a call from the Deskset by predialing, live dialing or selecting a number from a list.
To predial a number:
1. Enter the phone number using the dial pad.
2. Go off hook. Lift the handset, press (SPEAKER), (HEADSET) or an inactive Line key. Press the
Intercom key if calling another extension.
To live dial a number:
1. From Idle mode, go off hook. Lift the handset, press (SPEAKER), (HEADSET) or an inactive Line key.
Press the Intercom key if calling another extension.
2. Enter the phone number. When the number is complete, the Deskset dials the number.
To make a call from a list:
While viewing Directory, Call Log, Redial or Messages entries, press or to dial. 9
Making a Call

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Answering a Call
To answer a call:
Lift the handset, press , (SPEAKER), (HEADSET) or the flashing Line or Intercom key.
To ignore a call:
Press . Your Deskset stops ringing. The caller continues to hear ringback tones until you or someone
else answers the call, or until the call goes to the Call Forward–No Answer destination.
To answer multiple calls:
Press the Line key for the call you want to access. If you are already on a call, you can press the Line key for
the new call to answer it. Your previous call is put on hold. Press to continue with the call in progress.
You can also set the Deskset to automatically answer Intercom calls. For more information,
see the User’s Guide, available from www.telephones.att.com/smb.

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Call Status Icons
During a call, icons indicate the current call status. Soft keys show optional actions.
Icon Status Description Icon Status Description
Off Hook Indicates that you are dialing or
on a phone call.
Conference Shows for each line on a
conference call.
On Hold Flashes when the call is on hold. Conference
On Hold
Flashes when a conference call is
on hold.
Ringing Call Flashes for incoming calls. Call
Forwarded
Indicates that your call was
forwarded to another extension or
phone number.
Ignored Call Flashes for incoming calls when
the ringer is off. 1, 2, 3... Line Number Indicates the number of the associated Line key.
Call Status Icon
The number indicates the number
of the associated Line key.