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NDA-31528

Issue 1.0

Call Indicator Lamp

This lamp flashes fast when a call is ringing, or 
flashes slower when a message has been left.

Alphanumeric Display

The LCD has 3 lines, 24 characters with 
backlight.

Exit

Exit any screen and return the display to “Time 
and Date”.

Help Key

Explanations of Programmable Keys can be 
called up on the LCD by pressing and holding 
the 

Help

 key plus a programmable key.

Soft Keys

The Soft Keys show the available features for 
your current activity. Any feature shown at the 
bottom of the LCD is available.  

Programmable Function Keys

Flexible Line keys or Feature keys assigned by 
the System Administrator.

Flash Key

Press key to finish an outside call and hear the 
dial tone.

Transfer Key

Allows the extension user to transfer established  
calls to another extension.

Mute (Microphone) Key

Mute handset or handsfree microphone. LED 
lights when microphone is muted.

DND (Do Not Disturb) Key

Set up a Do Not Disturb if pressed during a call.

Clear/Back Key

Press this key to cancel the current action or 
delete a character.

Cursor Key

Access various features with simple operation.

Speaker

Controls built-in speaker, which can be used for 
Hands Free Dialing/Monitoring. LED on key 
lights when key is active.

Hold

Press this key to place an internal or external 
call on hold.

Lift the Handset or press 

Speaker

.

Dial the required number.

(For external calls, dial 9 first)

NOTE:

The access codes are default only, and may 
have been changed for your system.

Without lifting handset, press the 

REDIAL

 

button.

Press the Cursor key left/right to search 
the required number.

Press the 

Speaker

 key or lift the handset 

to initiate the call.

Ask the caller to please hold:

Press the 

Hold

 key – held key flashes.

You may replace handset if you wish.

To retrieve a call:

Lift the handset.

Press the flashing line.

NOTE:

For exclusive hold – press 

Feature

 + 

Hold

.

Allows a user to intercom other digital handsets.

Lift the handset and dial extension 
number.

Press 

Voice

 soft key and speak over the 

intercom.

With a call in progress:

Press the 

Transfer

 key.

Dial an extension or external number and 
announce the call (optional).

Replace the handset.

NOTE:

If the called extension is busy or does not 
answer, press the 

Flashing key 

to return to your 

caller. If the extension does not accept the call, 
ask them to hang up and your call is returned.

With a call in progress (internal or external)

Press the 

Conf

 soft key.

Dial an internal or external number.

When the third party answers, press the 

Add 

soft key.

Press the 

Begin

 soft key to begin the 

Conference.

A three way conference is now 
established.

NOTE:

Any party may exit the conference by hanging 
up. The two parties will remain connected, as 
long as one of the remaining parties is internal.

FUNCTION KEYS

24 Button IP Tel

12 Button Digital Tel

MAKE A CALL

LAST NUMBER REDIAL

HOLD

VOICECALL

TRANSFER

CONFERENCE

SL1100

IP4WW-12TXH-B TEL
Digital Telephone
IP4WW-24TIXH-B TEL
IP Telephone
Reference Sheet

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