NEC Infoset 408 System Manual

							InfoSet 408Issue 1A
System Manual3 - 81
Hookflash End Time Selection
504 – Single Line Telephone 
Hookflash End TimeSpecifies the maximum duration that a 
single line telephone has to receive dial 
tone.  The times are added to the 
Hookflash Start Time.  For example, if 
the Hookflash Start Time (HST) = 1 and 
the Hookflash End Time (HET) = 1, add 
150 ms. and 100 ms. to determine the 
maximum duration.
(HST + HET = Max. Hookflash Duration)0 = 0 ms 5 = 700 ms (D)
1 = 100 ms  6 = 900 ms
2 = 200 ms 7 = 1.1 sec
3 = 400 ms 8 = 1.3 sec
4 = 500 ms 9 = 1.5 sec
Hookflash Start Time Selection
503 – Single Line Telephone 
Hookflash Start Time Specifies the minimum hookflash 
duration from a single line telephone.0 = 100 ms  5 = 450 ms
1 = 150 ms 6 = 550 ms
2 = 200 ms 7 = 650 ms
3 = 300 ms  (D) 8 = 750 ms
4 = 350 ms 9 = 850 ms
Hookflash Time Selection:
(Multiline Telephone)
006 – Hookflash DurationSpecifies the break time (the break of 
the DC loop of a CO/PBX line) sent to 
the central office or PBX when the flash 
recall key is pressed.0 = 60 ms 5 = 600 ms (D)
1 = 100 ms 6 = 800 ms
2 = 140 ms 7 = 1.0 sec
3 = 200 ms 8 = 1.5 sec
4 = 400 ms 9 = 2.0 sec
Incoming Outside Ringing Delay 
Time
301~304 – Day Ringing for 
Trunk Lines 1~4
311~314 – Night Ringing for 
Trunk Lines 1~4Specifies time delay that elapses before  
ringing sounds for external incoming 
calls.0 = 0 sec (D) 4 = 60 sec
1 = 10 sec 5 = No Ring
3 = 30 sec
Pause Time Selection
FixedSpecifies the length of the pause 
inserted between the digits dialed on 
external (CO/PBX) lines or when using 
speed dialing.3 sec
Prepause Time Selection
FixedSpecifies the pause time inserted after 
dial access to an external (PBX trunk) 
line.1 sec
Time Display (12h/24h) 
Selection
002-7 – Time Format for 
Telephone DisplaySpecifies whether the clock on the 
telephone displays the time in 12-hour 
format (12:00 a.m. to 11:59 p.m.) or 
24-hour format (0:00 to 23:59).7 = 12 hour (D)
– = 24 hour 
Trunk Queuing Recall Time 
Selection
FixedSpecifies the interval during which the 
telephone that is enabled for queuing is 
called.  After the timer expires, the 
queue is automatically canceled.10 sec Table 3-3 Flexible Timeouts  (Continued)
Timer/Function Definition Timing Value 
						

							Issue 1AInfoSet 408
3 - 82Features
Full Handsfree Operation
Multiline telephones allows the user to make and answer calls without using the
handset.  Users can talk using the telephone’s built-in microphone (the microphone
must be turned on).
This feature is available for the InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Press    .
2. Dial   

   .  
Note:This operation toggles the microphone on/off.  The microphone LED is red if
the microphone is on.
 
1. Press   
 .
2. When you hear dialtone, dial   

    
   .
3. When the party answers, begin speaking.  
When the call is received, ensure the microphone LED is on and begin talking.
1. Press     
    (line key assigned to seize an external line).
2. When you hear dialtone, dial the telephone number.
3. When the party answers, begin speaking.
1. Press   
  .
2. When the party answers, ensure that the microphone LED is on, and begin
speaking using the built-in speaker.
Turning the microphone on:
Making an internal call:
Answering an internal call:
Making an external call:
Answering an external call: 
						

							InfoSet 408Issue 1A
System Manual3 - 83 Associated Programming
All programming functions associated with this feature are listed in the following table.
Some functions must be programmed before the feature is operational and other
functions are optional.  The optional functions can affect how the feature operates.    
Function 
NumberFunction NameRequired
(Y)es or
(N)o
216 Handsfree Assignment Y 
						

							Issue 1AInfoSet 408
3 - 84Features
Handset Microphone Control
When making a call, users can mute the transmission speech path.  This allows the
user to continue to hear the other party, but the other party cannot hear their
conversation.  Mute is reset (to off) when the call is terminated or it can be manually
reset during a call.
This feature is available for the InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Press    .
2. Dial    
      (toggles between on/off).
Special Conditions

If handset microphone control is set while a call is in progress, it automatically resets
when the user hangs up. 
Handset microphone control automatically resets when an internal or external call is
placed on hold.
This feature can be assigned to a one-touch/feature access key.  (Refer to
One-Touch/Feature Access Keys – User Programmable on page 3-115.)
When the handset microphone control feature is set/reset, one of the following
messages is displayed:  Set = Mute On/Reset = Mute Off.
Setting and resetting handset mute: 
						

							InfoSet 408Issue 1A
System Manual3 - 85
Handsfree Answerback
This feature allows users of multiline telephones to answer internal voice announced
calls when the microphone is turned on. 
This feature is available for InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Press   .
2. Dial the internal extension number.  The called party begins talking.
Special Conditions

This feature is enabled regardless of the system setting if the microphone is on.
Handsfree answerback is not possible for an internal voice call unless Dial 1 is
enabled to allow switching between tone/voice signal calls.
Tone override is available during handsfree answerback.
Voice/tone signal calls are controlled by the calling party (intial tone/signal call).
Voice calls can be made from a single line telephone to the key system.
Intitating a handsfree answerback: 
						

							Issue 1AInfoSet 408
3 - 86Features
Handsfree Dialing and Monitoring
A telephone feature which allows the user to place external calls and listen to the
progress of those calls without lifting the handset on the telephone.  
This feature is available for InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Press the line key to access an outside line.
2. Dial the party’s telephone number.  When the called party answers you can
either remain off-hook and talk through the telephone speaker or you can lift the
handset.  
 
1. Press   
 .
2. Dial the party’s extension number.  When the called party answers you can
either remain off-hook and talk through the telephone speaker or you can lift the
handset. 
Associated Programming
All programming functions associated with this feature are listed in the following table.
Some functions must be programmed before the feature is operational and other
functions are optional.  The optional functions can affect how the feature operates.    
Placing an outside call:
Placing an internal call:
Function 
NumberFunction NameRequired
(Y)es or
(N)o
001-6 Trunk Line Direct Access N
105 Trunk Line Function N
351~354 Restricting Outgoing Calls for Trunk Lines 1~4 N
401~402 Trunk Line Assignment for Tenants 1~2 N
403 Tenant-to-Telephone Assignment N 
						

							InfoSet 408Issue 1A
System Manual3 - 87
Headset Connection
A headset can be connected to an Electra Elite multiline telephone.  A one-touch/
feature access key must be assigned to toggle the headset on/off.
This feature is only available for Electra Elite multiline telephones. 
Feature Operation
1. Press.
2. Press

.
3. Press

(one-touch/feature access key programmed for headset enable/
disable
).
Note:This one-touch/feature access key toggles between the on-hoof/off-hook
operations.
4. Dial 

.
5. Press
.
 
1. Press 

 (one-touch key programmed for headset enable/disable).  
2. Dial the party’s telephone number and begin talking when the party answers.
Press 

 (one-touch key programmed for headset enable/disable).  
1. Pick up the handset.
2. Press 

 (one-touch key programmed for headset enable/disable).
Assigning headset operation to a one-touch/feature access key:
Placing a call:
Terminating a call:
Switching to the handset: 
						

							Issue 1AInfoSet 408
3 - 88Features Associated Programming
All programming functions associated with this feature are listed in the following table.
Some functions must be programmed before the feature is operational and other
functions are optional.  The optional functions can affect how the feature operates.    
Special Conditions

The headset enable/disable one-touch/feature access key must be used to switch
from on-hook to off-hook.
Function 
NumberFunction NameRequired
(Y)es or
(N)o
218 Headset Connection Y 
						

							InfoSet 408Issue 1A
System Manual3 - 89
Holdfree Transfer
Holdfree Transfers allows users to answer a transferred call without using the hold
key.  The system can be programmed to answer the calls by pressing a line key.
This feature is available for the InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Lift the handset or press      on the telephone where the call is received.
2. Press      
     .  This is line key on the telephone where the call is received. 
3. The user at the telephone where the call was initially received hangs up.
Associated Programming
All programming functions associated with this feature are listed in the following table.
Some functions must be programmed before the feature is operational and other
functions are optional.  The optional functions can affect how the feature operates.    
Special Conditions

Holdfree transfer is enabled/disabled in system programming.
Trunk queuing using a line key is disabled if holdfree transfer is enabled.
When the user who receives the holdfree transfer presses       (external line key
where the call is received) the extension number where the call transferred from and
the trunk line number is displayed in the LCD of the user receiving the holdfree
transfer  (e.g., 
 XX       L *  –   XX = Extension Number and * = Trunk Line Number).
If the following conditions occur, the user is not able to pick up the call during a
holdfree transfer, a message is displayed in the LCD indicating the telephone is in use
(e.g.,  
XX    In Use   –   XX = Extension Number).
• A telephone that is the transfer destination has picked up the external line and is
waiting for the user who initially answered the call to hang up.  
• The external line is part of an add-on conference.
Transferring a call:
Function 
NumberFunction NameRequired
(Y)es or
(N)o
002-8 Private Call Y 
						

							Issue 1AInfoSet 408
3 - 90Features
Hold with Recall (Exclusive and Non-Exclusive)
When a call is on hold for longer than the preprogrammed interval, the call recalls to
the originating telephone.  There are two types of held calls.  
Exclusive Hold is a held
call that can be picked up only on the telephone where it was placed on hold.
Non-Exclusive Hold is a held call that can be picked up from any telephone in the
system that has access to the line where the call is holding.
This feature is available for the InfoSet and Electra Elite multiline telephones and
single line telephones.
Feature Operation 
If placing a call on Exclusive Hold, press    
  .
If placing a call on Non-Exclusive Hold, press   
  , then    
  .
 
Press            (flashing line key).
 
Momentarily press the hookswitch to place the call on hold.
 
Momentarily press the hookswitch to retrieve the call from hold.
Putting a call on Exclusive or Non-Exclusive Hold:
Retrieving a call from exclusive or non-exclusive hold:
Placing a single line telephone call on exclusive hold:
Retrieving a single line telephone call from exclusive hold: