NEC Neax 2400 Imx Business Features And Specifications

							NEAX2400 IMX Business Features and Specifications
NDA-24221, Issue 3
Page 341
Message Waiting Lamp Setting - Attendant M-23
M-23  Message Waiting Lamp Setting - Attendant
General Description
This feature permits an ATTENDANT CONSOLE [A-3] to set or cancel a Message Waiting indication on a station
provided with this feature.
Operating Procedure
To set a Message Waiting indication:
1. Press an idle loop key. 
2. Dial the Message Waiting set code (up to 3 digits); receive special dial tone.
3. Dial the telephone number; receive service set tone. 
4. Message Waiting indication is set. 
5. Press the RELEASE key to return to an idle condition.
To cancel a Message Waiting indication: 
1. Press an idle loop key. 
2. Dial the Message Waiting cancel code (up to 3 digits); receive special dial tone. 
3. Dial the telephone number; receive service set tone. 
4. Message Waiting indication is cancelled. 
5. Press the RELEASE key to return to an idle condition.
Service Conditions
1. The Message Waiting lamp on a single line telephone or a Dterm will be lit when this feature is activated.
2. When Message Waiting is set to a D
term station, the LCD display indicates:
3. Message Waiting cannot be set when the ATTENDANT CONSOLE [A-3] is in a consultation condition
with a station or trunk.
4. An Attendant attempting to set Message Waiting to a station where Message Waiting has previously been
set, will receive busy tone.
5. In a MULTIPLE CONSOLE OPERATION [M-4], if Message Waiting is set by one ATTENDANT
CONSOLE [A-3], it can be cancelled by another.
6. Message Waiting indications are cleared when the system is initialized.MW
(Time Display)   
						

							NEAX2400 IMX Business Features and Specifications
Page 342NDA-24221, Issue 3
M-23 Message Waiting Lamp Setting - Attendant
Service Conditions (cont’d)
7. When Call Indicator Lamp (Note) is controlled by MESSAGE WAITING LAMP SETTING - STATION
[M-30], the tone and display indication of the Attendant Console and Call Indicator Lamp of the station
are as follows, depending on the status of the station.
Interactions
1. For MESSAGE WAITING LAMP SETTING-ATTENDANT, an 8DLC/16ELC card is required.
2. An external power source is required to light a lamp for a single-line telephone. The D
term uses an 80 VDC
power source. NEC stocks Lorain Model HSA3H, stock number 241440.
3. Only the Attendant can set and extinguish the Message Waiting Lamp.
Status of Preassigned 
StationAttendant Console
Call Indicator 
Lamp Status Operation LCDType of 
Tone
Unused telephone number
Dead Level
Restricted stationCancelling
Telephone numberReorder 
Tone
Setting
Call Indicator 
Lamp OFFIdle Busy 
Lock Out 
Make BusyCancelling
Telephone numberService Set 
ToneOFF
Setting ON
Call Indicator 
Lamp OFF set 
from 
AttendantCall Indicator 
Lamp ON set 
from stationCancelling
Telephone numberService Set 
ToneON
Setting
Call Indicator 
Lamp ON set 
from 
AttendantCall Indicator 
Lamp OFF set 
from stationCancelling
Telephone numberService Set 
ToneOFF
Setting Busy Tone ON
Call Indicator 
Lamp ON set 
from stationCancelling
Telephone numberService Set 
Tone
ON
Setting Busy Tone 
						

							NEAX2400 IMX Business Features and Specifications
NDA-24221, Issue 3
Page 343
Multiple Call Forwarding - Busy Line M-24
M-24  Multiple Call Forwarding - Busy Line
General Description
This feature permits a call to a busy station to be forwarded, a maximum of five times, to preprogrammed idle
stations.
Existing CALL FORWARDING - BUSY LINE [C-2] service
MULTIPLE CALL FORWARDING - BUSY LINE [M-24] service
Operating Procedure
To set CALL FORWARDING - BUSY LINE [C-2] from an individual station:
1. Lift the handset; receive dial tone.
2. Dial the specific CALL FORWARDING - BUSY LINE access code; receive special dial tone.
3. Dial the desired target telephone number; receive service set tone.
To cancel CALL FORWARDING - BUSY LINE [C-2] from an individual station:
1. Lift the handset; receive dial tone.
2. Dial the specific CALL FORWARDING - BUSY LINE [C-2] cancel code; receive service set tone.
To set CALL FORWARDING - BUSY LINE [C-2] from the ATTENDANT CONSOLE [A-3]: 
1. Press an idle loop key.
2. Dial the CALL FORWARDING - BUSY LINE [C-2] access code; receive special dial tone. 
3. Dial the TENANT [T-12] number (2 or 3 digits).
4. Dial the originating telephone number.
  
CF-B, 1st time
A
B
S Busy
Call
1st TimeCF-B
2nd TimeCF-B
3rd TimeCF-B
4th Time
CF-B 5th Time
CF-B Idle
S Call
A
B
C
D
E
FBusy
Ringing Busy 
						

							NEAX2400 IMX Business Features and Specifications
Page 344NDA-24221, Issue 3
M-24 Multiple Call Forwarding - Busy Line
Operating Procedure (cont’d)
5. Dial the desired target telephone number; receive service set tone.
To cancel CALL FORWARDING - BUSY LINE [C-2] from the ATTENDANT CONSOLE [A-3]: 
1. Press an idle loop key. 
2. Dial the CALL FORWARDING - BUSY LINE [C-2] cancel code; receive special dial tone.
3. Dial the TENANT [T-12] number (2 or 3 digits).
4. Dial the originating telephone number; receive service set tone.
Service Conditions
1. If the called station is busy and MULTIPLE CALL FORWARDING - BUSY LINE [M-24] is set at the
called station, the call is forwarded to the designated station.
2. A call cannot be forwarded more than five times, even if the fifth station has CALL FORWARDING -
BUSY LINE set.
3. A call cannot be forwarded to the originating station.
4. If the call is forwarded back to the originally called station, or a station that has already been forwarded
to, call forwarding will end at that station.
5. CALL FORWARDING - BUSY LINE [C-2] and CALL FORWARDING - ALL CALLS [C-5] combined:
a.) Any combination of CALL FORWARDING - BUSY LINE [C-2] and CALL FORWARDING -
ALL CALLS [C-5] may be made, up to a total of five forwards.
b.) If the fifth forwarding destination is busy, the caller receives busy tone, and the call will not
forward again.
c.) If a forward destination is the calling station, the calling station will receive busy tone.
d.) If a forwarding destination is the originally called station, and if the originally called station
forwarded the call with CALL FORWARDING - ALL CALLS [C-5], the ultimate destination is
the originally called stations CALL FORWARDING - ALL CALLS [C-5] destination.
      
 
 
CF-A, final time CF-A, 1st time
Call
CF-ACF-A
CF-B
SAB
D 
						

							NEAX2400 IMX Business Features and Specifications
NDA-24221, Issue 3
Page 345
Multiple Call Forwarding - Busy Line M-24
Service Conditions (cont’d)
e.) If a forwarding destination is the originally called station, and if the originally called station
forwarded the call with CALL FORWARDING - BUSY LINE, the ultimate destination is the
originally called station.
f.) If the call is forwarded to a station where it has previously been forwarded to, the call will end at
that station.
6. CALL FORWARDING - ALL CALLS [C-5], CALL FORWARDING - BUSY LINE [C-2] and CALL
FORWARDING - DONT ANSWER [C-3] combined:
a.) Although CALL FORWARDING - ALL CALLS [C-5] and CALL FORWARDING - BUSY
LINE [C-2] and combinations of the two are limited to five forwards, when a forwarding
sequence is divided by CALL FORWARDING - DONT ANSWER [C-3], CALL
FORWARDING - ALL CALLS [C-5] and CALL FORWARDING - BUSY LINE [C-2] can
begin again (the only limit is five consecutive forwards).
7. Forwarding to an Attendant Console:
a.) If an Attendant Console is designated as the destination of CALL FORWARDING - ALL
CALLS [C-5], the call is forwarded to the Attendant Console that handles the tenant to which the
calling station belongs.
1st TimeCF-B
CF-A
CF-B
S Call
A
B
C
D Busy
Busy
CF-A
 
 
 ABCDEF
S Call
ABCDEGCall Forwarding - Don’t 
Answer
Call Forwarding - All Calls - Busy Line 
						

							NEAX2400 IMX Business Features and Specifications
Page 346NDA-24221, Issue 3
M-24 Multiple Call Forwarding - Busy Line
Service Conditions (cont’d)
b.) The Attendant Console key that lights when a call is forwarded to the console depends on the
forwarding status of the originally called station. The following table shows the key that will light
(if the forwarding status of the originally called station is CALL FORWARDING - BUSY [C-2],
and the call is from a station, then the BUSY key will light).
c.) If the call is forwarded by CALL FORWARDING - DONT ANSWER [C-3] at any point in a
forward sequence, the NANS key on the Attendant Console will light, even if the call status of the
originally called station is CALL FORWARDING - ALL CALLS [C-5] or CALL
FORWARDING - BUSY LINE [C-2].
d.) Called Number Display is only provided if a call is forwarded to the Attendant Console by CALL
FORWARDING - ALL CALLS [C-5], CALL FORWARDING - BUSY LINE [C-2], or by
CALL FORWARDING - DON’T ANSWER [C-3].
8. Forwarding to a D
term: 
a.) The calling D
terms display will show the number of the called station on the left, and the number
of the station being rung on the right. The display on the ringing Dterm will show the number of
the originally called station on the left, and the number of the calling station on the right. 
b.) The forwarding status of the originally called station is shown on the far left of each D
terms
display: FDB for CALL FORWARDING - BUSY [C-2] or FDA for CALL FORWARDING -
ALL CALLS [C-5].
9. UCD Groups: 
a.) If the destination of CALL FORWARDING - ALL CALLS [C-5], CALL FORWARDING -
BUSY [C-2], or CALL FORWARDING - DONT ANSWER [C-3] is a UCD group control
station, and CALL FORWARDING - ALL CALLS [C-5] is not set at that station, the call will be
forwarded according to UNIFORM CALL DISTRIBUTION [U-1] procedures. 
b.) In the UCD procedure, if CALL FORWARDING - ALL CALLS [C-5] is set on a station in the
group, that station is skipped.
10. Hunting: 
a.) If the ultimate destination station is busy, or if some condition prevents the call from being
forwarded, a busy line is selected, and a hunting check is performed.)
b.) If a call is forwarded several times by CALL FORWARDING - BUSY LINE [C-2] to stations
that are members of hunting groups, a hunting check is performed on the busy line closest to the
called station or on the busy line closest to the ultimate destination. In the diagram below, a
hunting check is performed on Hunt Groups 1 or 4. A hunting check is never performed on
groups 2 or 3.
Forwarding Status Of Originally Called Station
Call Forward
-All CallsCall Forward
-BusyCall Forward
-Don’t Answer
Call From Station
ATND BUSY NANS
Call From TrunkDepends on trunk class BUSY NANS 
						

							NEAX2400 IMX Business Features and Specifications
NDA-24221, Issue 3
Page 347
Multiple Call Forwarding - Busy Line M-24
Service Conditions (cont’d)
11. Busy Services such as EXECUTIVE OVERRIDE [E-1], CALL BACK [C-1], etc.:
a.) Busy service is provided to the busy line closest to the originally called station.
12. DIT, NIGHT CONNECTION - FIXED [N-1]:
a.) For CALL FORWARDING - ALL CALLS [C-5] and CALL FORWARDING - BUSY LINE [C-
2], a forward check is made up to 5 times by System Data.
b.) In DIRECT-IN TERMINATION [D-7], if a line is busy, CALL FORWARDING - BUSY LINE
[C-2] to the Attendant is not activated. Instead, the destination for the call can be specified by
System Data:
System Data 2 INDEX = 11
Bit 7 = 0 - Call is routed to the Attendant Console.
Bit 7 = 1 - Call is placed in queue until the called station becomes idle.
13. A telephone number must be set to the call forwarding destination.
14. A call cannot be forwarded more than five times.
15. The number of times is assigned by System Data.
16. The OAI monitor number and the ACD pilot number cannot be assigned as the Call Forwarding target
telephone number.
Interactions
1. If access codes for CALL FORWARDING-BUSY LINE [C-2] and CALL FORWARDING-DON’T
ANSWER [C-3] are the same, only one key needs to be assigned in AKYD or ADSL, and only one access
code needs to be assigned in ASPA.
2. When CALL WAITING [C-12], ATTENDANT CAMP-ON WITH TONE INDICATION [A-1], or
CALL BACK [C-1] is directed toward Station A, with CALL FORWARDING-BUSY LINE [C-2] set to
Station B, Station A will receive call waiting tones when Station B is also busy. 
3. A non-controlling UCD station is allowed to activate CALL FORWARDING-BUSY LINE [C-2]. When
this station sets CALL FORWARDING-BUSY LINE [C-2], only directly-dialed calls to this station are
call forwarded.
4. If a controlling station of a UCD group sets CALL FORWARDING-BUSY LINE [C-2], forwarding will
not take place. The incoming call will follow the UCD hunt.
 
  
SE D C B
AF
Hunting Group #1 Hunting Group #2
Hunting Group #3Hunting Group #4 
						

							NEAX2400 IMX Business Features and Specifications
Page 348NDA-24221, Issue 3
M-24 Multiple Call Forwarding - Busy Line
Interactions (cont’d)
5. If an Attendant attempts BUSY VERIFICATION [B-3] to Station A, which has CALL FORWARDING-
BUSY LINE [C-2] set to Station B and Station B is busy, BUSY VERIFICATION [B-3] proceeds against
Station B. If Station A has set CALL FORWARDING-BUSY LINE [C-2] to the Attendant Console,
BUSY VERIFICATION [B-3] is allowed at Station A, if Station A is busy.
6. When CALL FORWARDING-BUSY LINE [C-2] is in effect, the activating station may be used to
originate calls. 
7. When a station is call forwarded, the destination station is recorded by STATION MESSAGE DETAIL
RECORDING [S-10].  
						

							NEAX2400 IMX Business Features and Specifications
NDA-24221, Issue 3
Page 349
Multiple Call Forwarding - Don’t Answer M-25
M-25 Multiple Call Forwarding - Don’t Answer
General Description
This feature permits a call to an unanswered station to be forwarded, multiple times, to preprogrammed idle stations
that do not have Call Forwarding set.
Operating Procedure
To set CALL FORWARDING - DONT ANSWER [C-3] from an individual station: 
1. Lift the handset; receive dial tone.
2. Dial the specific CALL FORWARDING - DONT ANSWER [C-3] access code; receive special dial tone. 
3. Dial the desired target telephone number; receive service set tone.
To cancel CALL FORWARDING - DONT ANSWER [C-3] from an individual station: 
1. Lift the handset; receive dial tone. 
2. Dial the specific CALL FORWARDING - DONT ANSWER [C-3] cancel code; receive service set tone.
To set CALL FORWARDING - DONT ANSWER [C-3] from the ATTENDANT CONSOLE [A-3]:
1. Press an idle loop key. 
2. Dial the specific CALL FORWARDING - DONT ANSWER [C-3] access code; receive special dial tone. 
3. Dial the TENANT [T-12] number (2 or 3 digits). 
4. Dial the originating telephone number. 
5. Dial the desired target telephone number; receive service set tone.
To cancel CALL FORWARDING - DONT ANSWER [C-3] from the ATTENDANT CONSOLE [A-3]:
1. Press an idle loop key. 
2. Dial the specific CALL FORWARDING - DONT ANSWER [C-3] cancel code; receive special dial tone. 
3. Dial the TENANT [T-12] number (2 or 3 digits). 
4. Dial the originating telephone number; receive service set tone.
Service Conditions
1. If the called station does not answer and MULTIPLE CALL FORWARDING - DONT ANSWER [M-25]
is set at the called station, the call is forwarded to the designated station.
2. There is no limit to the number of times a call can be forwarded by MULTIPLE CALL FORWARDING
- DONT ANSWER [M-25]. 
3. A call cannot be forwarded to the originating station.
4. CALL FORWARDING - DONT ANSWER [C-3], CALL FORWARDING - BUSY LINE [C-2] and
CALL FORWARDING - ALL CALLS [C-5] combined:
a.) After a CALL FORWARDING - DONT ANSWER [C-3] forward has been made, up to five
CALL FORWARDING - ALL CALLS [C-5] or CALL FORWARDING - BUSY LINE [C-2]
forwards may be made.
b.) If the fifth or last CALL FORWARDING - ALL CALLS [C-5] or CALL FORWARDING -
BUSY LINE [C-2] destination after a CALL FORWARDING - DONT ANSWER [C-3] is busy,
the originally called station will continue ringing.
c.) If a station has CALL FORWARDING - BUSY LINE [C-2] or CALL FORWARDING - ALL
CALLS [C-5] to the originating station set, the call will not be forwarded to the originating
station. The originally called station is rung. 
						

							NEAX2400 IMX Business Features and Specifications
Page 350NDA-24221, Issue 3
M-25 Multiple Call Forwarding - Don’t Answer
Service Conditions (cont’d)
d.) If the forwarding sequence, after a CALL FORWARDING - DONT ANSWER [C-3] goes
through several stations with CALL FORWARDING - ALL CALLS [C-5] set and ends up at the
original CALL FORWARDING - DONT ANSWER [C-3] station, CALL FORWARDING -
DONT ANSWER [C-3] is not activated.
e.) If the forwarding sequence, after a CALL FORWARDING - DONT ANSWER [C-3] goes
through several busy stations with CALL FORWARDING - BUSY LINE [C-2] set and ends up
at the original CALL FORWARDING - DONT ANSWER [C-3] station, CALL FORWARDING
- DONT ANSWER [C-3] is not activated.
5. If a call is transferred blind to a station that is CALL FORWARDED - DONT ANSWER [C-3] to another
destination (internal or external), the call will not forward but will recall back to the transferee station. This
recall parameter is controlled by System Data.
6. Forwarding to an Attendant Console:
a.) If an Attendant Console is the destination of MULTIPLE CALL FORWARDING - DONT
ANSWER [M-25], the call is forwarded to the Attendant Console that handles the tenant to which
the CALL FORWARDING - DONT ANSWER [C-3] station belongs.
Call Forwarding - Don’t Answer
Call Forwarding - All Calls
S Call
A
B
C
D
CF-A
CF-A Call Forwarding - Don’t 
Answer is not made in 
this situation - the call 
continues ringing on A.
Call Forwarding - Don’t Answer
Call Forwarding - 
Busy Line
S Call
A
B
C
D
CF-B
CF-A Call Forwarding - Don’t 
Answer is not made in 
this situation - the call 
continues ringing on A.Busy
Busy