NEC Infoset 408 System Manual

							InfoSet 408Issue 1A
System Manual3 - 21 
A telephone cannot be used to initiate a barge-in if it is part of a conference.
A barge-in cannot be completed if the telephone that is the target of the barge-in is
part of a conference.
If all of the conference circuits in the system are in use, no barge-in is allowed.
Barge-in requires the use of a conference circuit. 
						

							Issue 1AInfoSet 408
3 - 22Features
Battery Backup – System Memory
A battery is provided on the central processing unit (CPU) in the KSU.  This battery
retains system memory if the power fails.  When fully charged, a new lithium battery
maintains backup power for a minimum two years.  This allows the system to return to
normal operation once power is restored.  
Feature Operation 
Special Conditions

Programming and status condition is retained for the following:
• Background Music
• Call Forward – All Calls
• Call Forward – Busy/No Answer
• Clock/Calendar
•Do Not Disturb
• Incoming Ring Mode for Single Line Telephones (when the Electra Elite APR-U
Unit is attached)
• LCD Contrast (Electra Elite telephones only)
• Microphone Status
• Night Mode
•Redial
• Room Monitor
• Speed Dial Entries (Telephone/System)
• System Data 
• Timed Alarms
• Volume
Status condition is not retained for the following:
• Automatic Callback
• Trunk Queuing
Not applicable. 
						

							InfoSet 408Issue 1A
System Manual3 - 23
Battery Backup – System Power (Built-In)
A built-in battery provides complete system operating power for approximately 30
minutes.  This allows the entire telephone system (key system and telephones) to
remain operational during a power outage.  
Feature Operation 
Special Conditions

The backup batteries are charged from the power supply.
Not applicable. 
						

							Issue 1AInfoSet 408
3 - 24Features
Busy Lamp Field - Multiline Telephones
The Busy Lamp Field (BLF) is an LED on the multiline telephone which is used to
indicate the telephone status (idle, in-use, do-not-disturb mode, etc.).
This feature is available for the InfoSet and Electra Elite multiline telephones.
Feature Operation  
Special Conditions

Busy Lamp Field indication is provided for the following conditions:  
If a line key is not assigned as a trunk line, it can be assigned as a Busy Lamp Field.
Not applicable.
Busy Lamp Field  Condition
Slow Red Flash Do Not Disturb Set
Telephone in programming mode
Feature Key assignment in progress
Scrolling in progress
Fast Red Flash Call Forward – All Calls Set
Call Forward – Busy/No Answer Set
Solid Red Telephone is busy
Off Telephone is idle 
						

							InfoSet 408Issue 1A
System Manual3 - 25
Callback Request
This feature is used to leave notification at the called party’s telephone that you have
called.   
This feature is available for InfoSet and Electra Elite multiline telephones (sending
and answering callback request) and single line telephones (sending callback
request).  
The telephone must be set for Dual Tone Multifrequency mode (touchtone) for this
feature to be used.
Feature Operation  
When calling and receiving a busy tone, press      . 
Note:When callback request is set, the    LED flashes on the calling party’s
telephone and the telephone display (for those telephones equipped with an LCD)
at the called party’s telephone indicates the calling party’s extension number.
 
1. Lift the handset or press   
  .
2. Press   
  .
 
If the called party does not respond to the callback, call again.  
Setting a callback request.
Returning a callback request:
Canceling a callback request from a multiline telephone: 
						

							Issue 1AInfoSet 408
3 - 26Features
 
1. Press    
 . 
2. Dial    
      .
3. Press   
 .
Note:When this procedure is performed, do not disturb and all call forward
settings are also cleared.  
When canceling callback request from an attendant position, all callback
requests are cleared system-wide.  
Special Conditions

A telephone user can set callback requests to more than one telephone.  Callback
requests can be sent to other telephone users regardless of the tenant group to which
they belong.
A telephone that is not equipped with an LCD answers a callback in the same way
users of telephones equipped with an LCD.
A maximum of three callback requests can be set to an individual telephone.
Single line telephone users can set callback requests.  Single line telephone users
cannot receive callback requests.
A callback request can be set to a telephone that has do not disturb set.
If a power outage occurs, all callback requests are canceled.
Canceling a callback request from an attendant position: 
						

							InfoSet 408Issue 1A
System Manual3 - 27
Call Elapsed Timer
This timer appears in the LCD (liquid crystal display) on the telephone.  The timer
keeps track of the amount to time that has elapsed since the call was answered.
When the user hangs up, the timer disappears from the LCD.
This feature is available for the InfoSet and Electra Elite multiline telephones.
Feature Operation  
Special Conditions

The call elapsed timer disappears from the LCD when a call is placed on hold
(exclusive and non-exclusive).  While the call is on hold, the timer continues counting
and is redisplayed when the call is removed from hold, when the call is transferred
and answered, or when the call is transferred and recalls to the telephone that
originated the transfer.
The elapsed call time is maintained separately for each external line.  When more
than one external line is placed on hold, the timer is redisplayed for each call as it is
removed from hold.
During an add-on conference, which includes at least one external line, the elapsed
call time of the last external line that is seized is displayed in the LCD.
The call elapsed timer is not displayed while a call transfer or tone override is received
or when dialing is performed during a call using an external line.  The call elapsed
timer redisplays five seconds after the last digit is dialed.
During an add-on conference that contains one external line and two internal lines,
the elapsed conference time is displayed on the LCD of all the multiline telephones
involved in the conference.
The maximum time that can be indicated is 59 minutes and 59 seconds.  After 59
minutes and 59 seconds is reached, the timer resets to 00 minutes and 00 seconds.
Not applicable. 
						

							Issue 1AInfoSet 408
3 - 28Features
Call Forward - All Calls
This feature is used to forward calls received at one multiline telephone to another
telephone.  This feature can also be set or cancelled from the telephone where the
calls will be forwarded.  Forwarding can be cancelled for the entire system using a
telephone assigned as an attendant position.
Feature Operation  
1. Press    .
2. Dial    
       (access code).
3. Dial the extension number or telephone number where calls will be forwarded.
4. Press   
 .
 
1. Press   
 .
2. Dial   
      .
3. Dial the extension number of the forward destination or    

    
  .
4. Press   
 .
 
1. Press   
 .
2. Dial   
     .
3. Press   
 .
Special Conditions

All internal and transferred calls to the telephone follow the forwarding settings
assigned to that telephone.
Any telephone in the system can be the call forward destination for any number of
other telephones.
Call Forward – All Calls can be directed to any other telephone in the system even if
the telephone is the member of a different tenant group.
Setting call forward:
Canceling an individual call forward setting:
Canceling call forward system-wide from an attendant (normally extension 10 or 
11) : 
						

							InfoSet 408Issue 1A
System Manual3 - 29 
Any telephone in the system can be set to forward all calls to a voice mail port. 
Call Forward – All Calls settings can be individually reset for each telephone by
clearing the setting using    
      	     	   .  
If two internal callers attempt to call one another and they have each other as their
Call Forward – All Calls destination, a busy tone is generated. 
The Call Forward – All Calls setting takes precedence over the Call Forward - Busy/
No Answer setting when both are enabled.
When Call Forward – All Calls is assigned to a One-Touch Key and that key is
equipped with an LED, the LED lights red when the call forward feature is enabled.
If a telephone is programmed for Direct Inward Termination (DIT), allowing calls to
bypass the attendant and ring directly at a designated extension, call forwarding
follows assigned to that telephone.
On InfoSet telephones, “Call FWD” is displayed in the telephone LCD when the Call
Forward – All Calls is enabled.
Only one call forward can be set to the same telephone at one time.  The first call
forward must be canceled before setting another call forward.  
 If multiple call forward
destinations are entered, only the last destination is valid; all other entries are
canceled.
Only the telephone that is used to originate Call Forward – All Calls can cancel the
Call Forward – All Calls setting.
A maximum of two call forward destinations can be “chained.”  For example,
telephone A is set to forward calls to telephone B and telephone B is set to forward
calls to telephone C.  Telephone C attempts to forward to D.  Telephone C will be the
final forward destination for both telephones; forwarding to D is not allowed. 
						

							Issue 1AInfoSet 408
3 - 30Features
Call Forward – Busy/No Answer
This feature is used to forward calls received at one multiline telephone to another
telephone or to an Attendant Position.  This feature can also be set or canceled from
the telephone where the calls will be forwarded.  This feature only applies to internal
calls.
This feature is available for InfoSet and Electra Elite multiline telephones.
Feature Operation 
1. Press    .
2. Dial   
     .
3. Dial the extension number of the telephone where calls will be forwarded.
4. Press  
 .
 
1. Press   
 .
2. Dial   
    .
3. Dial the extension number of the forward destination or    

     
   .
4. Press   
 .
 
1. Press   
 .
2. Dial   
     .
3. Press   
 .
Setting call forwarding:
Canceling an individual call forward setting:
Canceling call forward system-wide from an attendant (extension 10 or 11):