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NEC Neax 2400 Ipx Feature Programming Manual

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    							NEAX2400 IPX Feature Programming ManualPage 968NDA-24297, Issue 1
M-41 Multiple Call Forwarding - Busy Line - CCIS
Interactions (cont’d)
3. InthecaseofCallBack-CCIS[C-44],serviceiseffectivetoStationBinOfficeB.Theserviceisinvalid
to station D.
4. In the case of Step Call - CCIS [S-59], the service is valid to Station B in Office B. The service is invalid
to station D.
Programming
STEP 1:ASYD- System 1, Index 5, Bit 0: Access Code for Call Forwarding - Busy Line and Call Forwarding
-Don’t Answer service. 0/1 = Same/Separate.
System 1, Index 5, Bit 1, 2 & 3: Number of Multiple Call Forwarding jumps:
b3 b2 b1
0001 Jump
0011 Jump
0102 Jumps
0113 Jumps
1004 Jumps
1015 Jumps
Office A Office B Office C Office D
Originating 
Party
Station A
Station B Station C Station D 
(Busy) 1st C.F. 2nd C.F.
3rd C.F. CCIS CCISCCIS
Office A Office B Office C Office D
Originating 
Party
Station A
Station B Station C Station D 
(Busy) 1st C.F. 2nd C.F.
3rd C.F. CCIS CCIS CCIS
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 969
Multiple Call Forwarding - Busy Line - CCIS M-41
Programming (cont’d)
System 1, Index 69, Bit 7: (1) Multiple Call Forwarding in service.
SYS 1, Index 486, bit 0-2. The maximum number of times for activating Call Forwarding - CCIS
service (0 to 7 times: 01Hex-07Hex)
When assigning“0 (default)”, the call forwarding is activated between CCIS nodes only one time.
STEP 2:ASFC- Allow Call Forwarding-Busy (SFI = 9) to the SFC of the stations.
STEP 3:ANPD- Assign minimum necessary number of digits for the first number of the access code for Call
Forwarding-Busy.
STEP 4:ASPA- Assign the access code for Call Forwarding-Busy.
To set: CI = N, SRV = SSC (Service Code), SID = 10
To cancel: CI = N, SRV = SSC (Service Code), SID = 11
STEP 5:AT N R- Assign allowable data to the corresponding tenant restriction index.
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    							NEAX2400 IPX Feature Programming ManualPage 970NDA-24297, Issue 1
M-42 Multiple Call Forwarding - Don’t Answer - CCIS
M-42  Multiple Call Forwarding - Don’t Answer - CCIS
General Description
This service permits a call to an unanswered station to be forwarded, multiple times, to a predesignated station that
does not have CALL FORWARDING-DON’T ANSWER [C-3] service set, or to the ATTENDANT CONSOLE
[A-3] in a CCIS network.
With existing CALL FORWARDING-DON’T ANSWER [C-3] (CF-D) service:
With MULTIPLE CALL FORWARDING-DON’T ANSWER [M-25] service:
Operating Procedure
1. Station A sets Call Forwarding-Don’t Answer to Station B. Station B sets Call Forwarding-Don’tAnswer
to Station C. Station C sets Call Forwarding-Don’t Answer to Station D.
2. A call is directed to Station A. The calling party receives ringback tone, and ringing starts at Station A.
3. The call is not answered within a predetermined amount of time and is forwarded to Station B. Ringing
stops at Station A and starts at Station B.
4. The call is not answered within a predetermined amount of time and is forwarded to Station C. Ringing
stops at Station B and starts at Station C.
5. The call is not answered within a predetermined amount of time and is forwarded to Station D. Ringing
stops at Station C and starts at Station D.
6. Station D lifts the handset and is connected to the calling party.
Call
Ringing1st TimeCF-D
B A
S
1st TimeCF-D
2nd TimeCF-D
3rd TimeCF-D
4th Time
CF-D 5th Time
CF-D 6th Ringing CallA
B
C
D
ES
F
5th Ringing4th Ringing3rd Ringing 2nd Ringing 1st Ringing
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 971
Multiple Call Forwarding - Don’t Answer - CCIS M-42
Service Conditions
1. The service conditions within the node comply with those of MULTIPLE CALL FORWARDING-
DON’T ANSWER [M-25].
2. A call can be forwarded by CALL FORWARDING a maximum of one time between nodes in a CCIS
network.
3. When CALL FORWARDING is performed in a CCIS network, the following services are not available
at a forwarded-to station:
CALL FORWARDING-ALL CALLS-OUTSIDE [C-28]
CALL FORWARDING-BUSY LINE-OUTSIDE [C-60]
CALL FORWARDING-DON’T ANSWER-OUTSIDE [C-74]
Last 
Ringing
CF-D - CCIS or
CF-D-Outside
CCIS or 
Not CCIS CCIS CF-D - CCIS
Call Originating 
Station
CF-D
CF-DCF-DCF-D
LEGEND
CF-D: Call Forwarding - Don’t Answer
CF-D - CCIS: Call Forwarding - Don’t Answer - CCIS
CF-D-Outside: Call Forwarding - Don’t Answer-Outside4th Ringing
5th Ringing
3rd Ringing2nd Ringing
1st Ringing
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    							NEAX2400 IPX Feature Programming ManualPage 972NDA-24297, Issue 1
M-42 Multiple Call Forwarding - Don’t Answer - CCIS
Service Conditions (cont’d)
4. When a call is set to be forwarded to a calling party by CALL FORWARDING-DON’T ANSWER - CCIS
[M-42], the call forwarded to the calling party is ignored and the last station keeps ringing.
5. The type of forwarding to be displayed is CF NANS at the terminating node.
6. When a call is terminated to an ATTENDANT CONSOLE [A-3] by the MULTIPLE CALL
FORWARDING-DON’T ANSWER - CCIS [M-42], the call type is NANS.
7. There is no limit to the number of jumps for MULTIPLE CALL FORWARDING-NO ANSWER.
8. The system data (ASYD, SYS1, Index 486, bit 0-2) decides the maximum number of times for activating
a call forwarding service between nodes through CCIS. The number of times is selected in the range of 1
time to 7 times (ASYD, SYS1, Index 486, bit 0-2 = 0 means the enhanced feature is not available).
9. The number of times for activating this service between CCIS nodes is decided by system data
programmed at the node that has the station operating the first Call Forwarding service through CCIS link.
However, when the node accommodating the station operating the service first has not programmed, the
number of times is decided at the node that accommodates the destination of the first Call Forwarding -
CCIS service.
1st Ringing
2nd Ringing
3rd Ringing Call Originating 
Station
CF-DCF-D CF-D
CF-D - CCISCCIS Call
CCIS
Last Ringing
Call Originating Station
CF-D - CCISCCIS
CF-D
CF-A
CF-D
E: 4020 822 820 S: 2000
A: 4211
BD
CLEGEND
CF-A: Call Forwarding -All Calls
Calling Party (S) Called Party (E)
4211
Dialed NumberCF NANS 8202000
Type of 
ForwardingCalling Station 
Number
Last Ringing 1st Ringing
2nd Ringing
3rd Ringing
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 973
Multiple Call Forwarding - Don’t Answer - CCIS M-42
Service Conditions (cont’d)
10. When the destination is the calling party:
a.) CALL FORWARDING - DON’T ANSWER: the call continues to place at the station that
forwards the call to the caller.
In this case, the calling party hears ringback tone:
11. When Call Forwarding is restricted because the number of times data or service restriction data, the call
continues to ring at the station that has restricted the service.
Example 1: Multiple Call Forwarding - CCIS is restricted because the service has already been activated
the preassigned maximum number of times. A maximum of three times is available for Call Forwarding
through CCIS.
Calling Party
Intermediate Party
2nd C.F. service
1st C.F. service
Multiple Call Forwarding - Don’t Answer - CCIS
Multiple Call Forwarding - Don’t Answer - CCIS Ringback Tone
Ringback Tone
 1st C.F. 2nd C.F.
Calling Party
Intermediate Party
4th C.F. 
UNAVAILABLE3rd C.F.
When the call is forwarded 
by C.F. - A/D - CCIS, the call 
terminates to this station.
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    							NEAX2400 IPX Feature Programming ManualPage 974NDA-24297, Issue 1
M-42 Multiple Call Forwarding - Don’t Answer - CCIS
Service Conditions (cont’d)
Example 2: Multiple Call Forwarding - CCIS service is restricted because the service is not effective at
the node.
12. Even if Call Forwarding is set from the forwarded station to the forwarding station, the Call Forwarding
service is effective, as shown in the example below:
When Office A selects the number of times for Call Forwarding for 5 times, five times of Call Forwarding
areexecutedasCallForwarding1toCallForwarding2toCallForwarding3toCallForwarding2toCall
Forwarding 3.
13. The following services set to the forwarded destination are not available with Multiple Call Forwarding -
CCIS services, except when the services below are activated through CCIS link:
CALL FORWARDING - ALL CALLS - OUTSIDE [C-28]
CALL FORWARDING - BUSY LINE - OUTSIDE [C-60]
CALL FORWARDING - DON’T ANSWER - OUTSIDE [C-74]
14. The following services are activated within one node. The maximum number of times for activating this
feature is the same as previous software releases:
MULTIPLE CALL FORWARDING - ALL CALLS [M-44]: 5 times
MULTIPLE CALL FORWARDING - BUSY LINE [M-24]: 5 times
MULTIPLE CALL FORWARDING - DON’T ANSWER [M-25]: unlimited
When the call is forwarded 
by C.F. - A/D - CCIS, the call 
terminates to this station. 1st C.F.
2nd C.F.
3rd 
C.F. Calling Party
Intermediate Party
Office A Office B Office C
CCIS CCIS
1st C.F. 2nd C.F.
3rd C.F.
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 975
Multiple Call Forwarding - Don’t Answer - CCIS M-42
Service Conditions (cont’d)
15. The following are detailed examples of Call Forwarding - CCIS activation. These examples are activated
under the conditions below:
The maximum number of times to activate the service is three (programmed in Office A and
Office B).
The last call forwarding is operated by Call Forwarding - All Calls/Don’t Answer service.
AnykindofD
term, ISDN terminal, PHS, etc. is available to be used for the calling/intermediate
party.
Any kind of Call Forwarding service (All Calls/Busy Line/Don’t Answer) is available to be set
at the calling/intermediate terminal.
a.) The service is restricted because the terminating Office B is unavailable for enhanced Call
Forwarding - CCIS service.
The node that decides number of times for activating service.
The node that is available for the enhanced Call Forwarding - CCIS services.
The node that is unavailable for the enhanced Call Forwarding - CCIS services.
1st C.F.2nd C.F. 
UNAVAILABLE CCIS CCIS Office AOffice B Office C
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    							NEAX2400 IPX Feature Programming ManualPage 976NDA-24297, Issue 1
M-42 Multiple Call Forwarding - Don’t Answer - CCIS
Service Conditions (cont’d)
b.) The service is restricted because the service has already been activated the predetermined number
of times.
c.) When Office A is not available for the enhanced Call Forwarding feature, the number of times the
service is activated is decided by Office B (three times are effective in this example). Note that
Call Forwarding service from Office A to Office B is included in the number of times service is
activated.
a.
Office A Office B Office C Office D Office E
CCIS CCISCCIS CCIS
b.1st C.F.UNAVAILABLE
4th C.F. 2nd C.F.
3rd C.F.
Office B
Office A Office CCCIS
CCIS
4th C.F. 
UNAVAILABLE
CCIS
3rd C.F. 1st C.F.
2nd C.F.
Office A Office B Office C Office D Office E
CCIS CCIS CCISCCIS
1st C.F.UNAVAILABLE
4th C.F. 2nd C.F.
3rd C.F.
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 977
Multiple Call Forwarding - Don’t Answer - CCIS M-42
Service Conditions (cont’d)
d.) The Call Forwarding service is activated four times, because the call is forwarded from Office D
to Office E through FCCS link:
Note:Call Forwarding service activated through FCCS link (C.F.*) is not included in the number of times that
the Multiple Call Forwarding - CCIS service is activated.
e.) When the trunk/station incoming call terminates through FCCS link, the number of times for the
service activation may vary, depending on the kind of Call Forwarding service (All Calls/Busy
Line/Don’t Answer) set to the station in the terminated node. This condition is also applied when
the call is forwarded from Office A to Office B through FCCS link.
Office A Office B Office C Office D Office E
CCIS CCISCCIS CCISOffice F
FCCS
1st C.F.
C.F.* 2nd C.F.3rd C.F.
a. Call Forwarding - All Calls/Busy Line.
When the station that forwards an incoming call first (the station in Office B) is set Call Forwarding - All Calls/Busy Line, 
the number of times is decided by the data in Office A (the node has the calling party).
Office A Office B Office C Office D Office E
CCIS FCCSCCIS CCISOffice F
CCIS
1st C.F. 4th C.F.2nd C.F. 3rd C.F.
b. Call Forwarding - Don’t Answer
When the station that forwards an incoming call first (the station in Office B) is set Call Forwarding - Don’t Answer, the 
number of times is decided by the data in Office B (the node has the terminal that activates Call Forwarding service first).
Office A Office B Office C Office D Office E
CCIS FCCSCCIS CCISOffice F
CCIS
1st C.F. 4th C.F.2nd C.F. 3rd C.F.
Office A Office B Office C Office D Office E
CCIS FCCSCCIS CCISOffice F
CCIS
1st C.F. 4th C.F.2nd C.F. 3rd C.F.
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