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Quick Start Users Guide
DTH-32D, 16D and 8D 
Multiline Telephones 
NEC, IPK II 
for the 
Installed by 
Certified Alarm Co. 
(256) 383-1225 
See the full Multiline Telephone Users Guide for complete instructions 
Download from www.certified-alarm.com or the User Guide CD 
by Jerry W. Sharp, 9/14/07  Page 1 of 4 
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Volume/Contrast Adjustments 
To adjust Ring Volume 
• When phone is ringing. (internal or external) 
• Press   to adjust ring volume up or down 
To adjust Handset or Speakerphone Volume 
• When on a call, (Handset or Speakerphone) 
• Press   to adjust caller’s volume up or down. 
 To Adjust the Display Contrast 
• With phone not in use. 
• Press   to adjust the display from light to dark 
Answering Calls 
To answer Internal calls 
• When phone beeps, lift the handset or answer 
hands free. 
• The Mic lamp must be on for callers to hear you  
hands free 
To Answer External calls 
• When phone rings, lift the handset or press the 
Speaker button to answer hands free 
• The Mic lamp must be on for callers to hear you  
hands free 
Making Calls 
To place Internal calls 
• Press the DSS button of the person you wish to  
call, lift the handset or talk hands free 
• Lift the Handset or press speaker and dial the 3Digit Extension Number. 
• Soft keys allow options, Toggle Ring/Voice, MW 
(turn message waiting lamp on), or Vmsg (leave 
Voice mail Message) 
To Place External Calls 
• Press the idle line key and dial the Telephone  
Number, lift the Handset or talk hands free. 
• Lift the Handset or press Speaker, dial “9” and the  
Telephone Number. 
Transferring Calls 
To transfer a call to another extension 
• With the call in progress, press the DSS button for  
the extension you want to transfer to. 
• Or press the Transfer button and dial the 3-digit  
Extension Number to want to transfer to. 
• You may announce the caller 
• To return to the original party, press the flashing 
line key or Conf key 
• Hang-up the handset to complete the transfer. 
To transfer directly to Voicemail 
• With the call in progress, 
• Press the DSS button for the extension. 
• Or press Transfer, Dial the 3-digit Extension 
Number 
• Dial 8 
• Hang-up the handset to complete the transfer 
Placing Callers on Hold 
To Place a caller on Hold 
• With the call in progress, press the Hold button 
• To return to the call (from your extension or any 
other extension) press the blinking line key that 
the caller is on. 
• Calls will recall to your extension if not answered 
within the preprogrammed time limit. 
To place caller on exclusive hold 
• With the call in progress, press the Feature and  
Hold buttons. 
• To return to the call (from your extension only) 
press the blinking line key that the caller is on. 
• Calls will recall to your extension if not answered 
within the preprogrammed time limit. 
Conference Calls 
To make a conference call 
• With the first call in progress, press the  
Conference key. 
• Dial the second party (internal or external) 
• Press the Conference key 
• Add the third/fourth party (internal or external) 
Pressing the Conference key after each one 
• Press the Begin soft key or the Conference key  
to connect all parties together 
by Jerry W. Sharp, 9/14/07  Page 2 of 4 
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Soft keys 
The soft keys are the buttons below the display,  
The display changes to reflect the current use of the key 
Redial/Caller ID Buffer 
Last number redial 
• Press the Redial key, last number is displayed 
• Press the # key, lift the Handset or press Speaker 
to dial the number 
List of the last 10 Dialed Numbers or Caller ID 
Numbers to your phone 
• Press the List soft key 
• Select the Redial or CID soft key 
• Use the up/down arrow soft key to scroll through 
the stored numbers 
• From the Dialed list, Press the # key, lift the  
Handset, or press Speaker to dial the displayed 
number. 
Paging 
Paging to Phones or External Paging Speakers 
• Lift the handset and press the InPg Soft key to  
page the internal phones. Or the ExPg Soft key to 
page the external paging speakers. 
• Dial the internal Group Number or the external  
Zone Number. (see administrator for numbers) 
• Speak into the handset. 
• Hang-up the handset 
Directed Call Pickup 
To answer a ringing co-workers phone 
• Lift the handset or press Speaker 
• Dial 
• Dial the 3-Digit Extension Number of the co-
* *
workers phone you want to answer. 
DND 
To set DND
• Press the Prog soft key. 
• Press the DND soft key 
• Press the Set soft key 
• Select the Ext soft key for External calls, Icm for 
internal calls or All for both external or internal 
calls 
• With DND set, the selected calls will be answered 
by voicemail. 
To Cancel DND 
• Press the Prog soft key. 
• Press the DND soft key 
• Press the Cncl soft key to cancel DND 
Call Forward 
To set Call Forwarding 
• Press the Prog soft key 
• Press the Cfwd soft key 
• Select All, Both, NA, B/NA or Flw soft key (use 
the arrow key to scroll) 
• Select the Set soft key 
• Dial the Destination Number and press Speaker 
To Cancel Call Forwarding 
• Press the Prog soft Key 
• Press the Cfwd soft key 
• Select All, Both, NA, B/NA or Flw soft key (use 
the arrow key to scroll) 
• Select the CNCL soft key to cancel 
To turn Background Music on or off: 
To Hear Music from your phone (if equipped) 
• Press the Speaker button 
• Dial 725 (toggles On or Off) 
• Press the Speaker button to quit 
To turn the message lamp off: 
To turn the callback message lamp off. 
• Press the Exit button 
• Press the MW soft key. 
• Press All soft key 
by Jerry W. Sharp, 9/14/07  Page 3 of 4 
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To Store/Dial System Speed Dial 
To Store/Dial the Station Speed Dial 
Numbers 
To Store System Speed Dial Numbers 
• Press the Prog soft key 
• Press the down arrow soft key 
• Press the SYS soft key 
• Dial the bin number (001-999) to program 
• Dial 9 and the Phone Number 
• Press the Hold button (hear beep/beep/beep tone) 
• Enter the Name using the keypad 
• Press the Hold button to save (hear 
beep/beep/beep tone) 
• Press the Speaker button to quit 
To dial the System Speed Dial Numbers 
• Press the Dir soft key 
• Press the SYS soft key 
• Use the up/down arrow soft keys to scroll through 
the numbers 
• Or enter the first letters of the name and use the 
up/down arrow soft keys to scroll through the 
numbers 
• Press the Dial soft key to dial the displayed  
number 
(Available System wide) 
To Program DSS/One Touch Keys 
DSS (Direct Station Select) or One Touch Buttons 
• Press the Prog soft key 
• Press the arrow down soft key 
• Press the Fctn soft key 
• Press the Button to be programmed. 
• Dial 01 
• Dial the 3-Digit Extension Number to call or dial 9 
and the outside Phone Number. (000 erases the 
button) 
• Press the Hold button,(hear beep/beep/beep tone) 
• Select another button, dial 01, Number, Hold or 
• Press the Speaker button to quit 
• DESI lite software (Free) and DESI labels are 
available from Certified to re-label your phone. 
Setting the Clock 
To set the Clock, for Daylight Saving Time Changes 
• Press the Speaker button (from Administrators  
Phone only) 
• Dial 728 + Time, (4-Digits in 24hr. format  
  0830=8:30 AM, 1645=4:45PM) 
• Press the Speaker button to quit 
Numbers 
To Store Station Speed Dial Numbers 
• Press the Prog soft key 
• Press the STA soft key 
• Dial the bin number (0-9) to program 
• Dial 9 and the Phone Number 
• Press the Hold button (hear beep/beep/beep tone) 
• Enter the Name using the keypad 
• Press the Hold button to save (hear 
beep/beep/beep tone) 
• Press the Speaker button to quit 
To dial the Station Speed Dial Numbers 
• Press the Dir soft key 
• Press the STA soft key 
• Use the up/down arrow soft keys to scroll through 
the numbers 
• Or enter the first letters of the name and use the 
up/down arrow soft keys to scroll through the 
numbers 
• Press the Dial soft key to dial the displayed  
number 
(Available at the individual station only) 
To Program CO Line Keys 
To Program the outside line buttons 
• Press the Speaker button 
• Dial 752 
• Press the Button to be programed 
• Dial *01 
• Dial the CO Line Number 001-200 (hear 
beep/beep/beep tone) (000 erases the button) 
• Press the Speaker button to quit 
• DESI lite software (Free) and DESI labels are 
available from Certified to re-label your phone. 
Program Station Names 
To change the phone users name 
• Press the Speaker button 
• Dial 700 
• Dial the 3-digit Extension Number to change 
• Enter the Name using the keypad 
• Press the Hold button to save 
 (hear beep/beep/beep tone) 
• Press the Speaker button to quit 
by Jerry W. Sharp, 9/14/07  Page 4 of 4