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NEC Neax 2400 Ipx Feature Programming Manual

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    							NEAX2400 IPX Feature Programming ManualPage 958NDA-24297, Issue 1
M-40 Multiple Call Forwarding - All Calls - 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 Data 1, Index 69, Bit 1: Call Forward All Calls short tone service 0/1 = Not Required/
Required. Bit 7: (1) Multiple Call Forwarding in service.
System Data 2, Index 6, Bit 4: Call Origination Restriction of station upon setting Call Forwarding-All
Calls. 0/1 = Required/Not Required.
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.
ASFC- Release SFI = 7 restriction with regard to SFC of station allowing Call Forwarding-All Calls.
(SFI=7:CallForwarding-AllCallservice)
STEP 2:ANPD- Assign minimum necessary number of digits for the first number of the access codes for Call
Forwarding-All Calls.
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 959
Multiple Call Forwarding - All Calls - CCIS M-40
Programming (cont’d)
STEP 3:ASPA- Sets the access codes for Call Forwarding-All Calls.
For setting: CI = N (Normal), SRV = SSC (Service Code), SID = 8
For Cancel: CI = N (Normal), SRV = SSC (Service Code), SID = 9
STEP 4:AT N R- Assign the allowable data into the corresponding items of Tenant Restriction Index.
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    							NEAX2400 IPX Feature Programming ManualPage 960NDA-24297, Issue 1
M-41 Multiple Call Forwarding - Busy Line - CCIS
M-41  Multiple Call Forwarding - Busy Line - CCIS
General Description
This service feature permits a call to a busy station to be forwarded in a CCIS network, multiple times, to a
predesignated idle station.
1. With existing CALL FORWARDING-BUSY LINE [C-2] (CF-B) service:
2. With MULTIPLE CALL FORWARDING-BUSY LINE [M-24] service:
Operating Procedure
1. Station A sets Call Forwarding-Busy Line to Station B. Station B sets Call Forwarding-Busy Line to
Station C. Station C sets Call Forwarding-Busy Line to Station D.
2. Stations A, B, and C are busy when an incoming call is directed to Station A. The call is forwarded to
Station B first, then to Station C, and on to Station D. The calling party receives ringback tone, and ringing
starts at Station D.
3. Station D lifts the handset to answer and is connected to the calling party.
Service Conditions
1. The service conditions within the node comply with those of MULTIPLE CALL FORWARDING-BUSY
LINE [M-24].
2. A call can be forwarded by CALL FORWARDING a maximum of one time between nodes in a CCIS
network.
 
Call
Ringing1st TimeCF-A
B A
S
1st TimeCF-B
2nd TimeCF-B
3rd TimeCF-B
4th Time
CF-B 5th Time
CF-B Ringing
S Call
A
B
C
D
E
F
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 961
Multiple Call Forwarding - Busy Line - CCIS M-41
Service Conditions (cont’d)
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]
4. When a call is forwarded to the calling party by CALL FORWARDING-BUSY LINE - CCIS [M-41], the
calling party hears busy tone.
 
Busy
CF-B - CCIS or
CF-B-Outside CCIS CF-B - CCIS
Call Originating 
Station
CF-B
CF-BCF-BCF-B
LEGEND
CF-B: Call Forwarding -Busy Line
CF-B - CCIS: Call Forwarding -Busy Line - CCIS
CF-B-Outside: Call Forwarding -Busy Line-Outside
Busy Tone
BusyBusy
Call Originating Station
Busy Tone
CF-BCF-B CF-B CCIS Call
CF-B - CCIS CCISBusy
Busy
Busy
Busy
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    							NEAX2400 IPX Feature Programming ManualPage 962NDA-24297, Issue 1
M-41 Multiple Call Forwarding - Busy Line - CCIS
Service Conditions (cont’d)
5. SERVICE DISPLAY - CCIS [S-53] is available at the terminating node. The type of forwarding to be
displayed is CF BUSY.
6. When a call is terminated to an ATTENDANT CONSOLE [A-3] by the MULTIPLE CALL
FORWARDING-BUSY LINE - CCIS [M-41], the call type is BUSY.
7. 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).
8. 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 that accommodates the station operating the service first has not been
programmed, the number of times is decided at the node that accommodates the destination of the first
Call Forwarding - CCIS service.
9. When Multiple Call Forwarding - CCIS is activated and the last intermediate party forwards (returns) the
call to the first calling party, the calling party may hear either ringback tone or busy tone.
The Calling party hears ringback tone when the forwarding destination number, assigned to the last
intermediate party (intermediate party 2 in the example below), and the calling party number sent from the
calling party are identical.
Call Originating Station
CF-B - CCISCCIS
Ringing CF-B
CF-A
CF-B
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 BUSY 8202000
Type of 
ForwardingCalling Station 
Number
Busy
Busy
Busy
2nd C.F. (All 
Calls/Busy)
1st C.F. (All Calls)
Node ANode B
Intermediate 
Party 1 Calling Party
Ringback Tone
Intermediate 
Party 2
Ringing
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 963
Multiple Call Forwarding - Busy Line - CCIS M-41
Service Conditions (cont’d)
The Calling party hears busy tone when the forwarding destination number, assigned to the last
intermediate party (intermediate party 2 in the example below), and the calling party number sent from the
calling party are not identical.
10. When Call Forwarding is restricted because the number of times data or service restriction data, the caller
hears busy tone.
11. 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.
12. 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]
Calling Party
Intermediate Party 1
2nd C.F. (All Calls/
Busy Line) service
1st C.F. serviceBusy ToneNode A Node B
Intermediate Party 2
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 ManualPage 964NDA-24297, Issue 1
M-41 Multiple Call Forwarding - Busy Line - CCIS
Service Conditions (cont’d)
13. 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
14. 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).
ThelastcallforwardingisoperatedbyCallForwarding-AllCalls/Don’tAnswerservice.
Any kind of D
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 A Office B Office C
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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 965
Multiple Call Forwarding - Busy Line - CCIS M-41
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 ManualPage 966NDA-24297, Issue 1
M-41 Multiple Call Forwarding - Busy Line - CCIS
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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    							NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1Page 967
Multiple Call Forwarding - Busy Line - CCIS M-41
Service Conditions (cont’d)
f.) This service is restricted when a call from the CCIS line is forwarded to other lines except CCIS
(for example: C.O. line).
Interactions
When a calling party sets the services shown below while the destination party is in busy status, the services are
performed to the first forwarded party.
1. In the case of Busy Verification - CCIS [B-9] or Executive Right-of-Way - CCIS [E-8], the service is
effective to Station B in Office B. The service is invalid to station D.
a.) When Station B is in busy status, Busy Verification - CCIS [B-9] and Executive Right-of-Way -
CCIS [E-8] are activated.
b.) When Station B is in idle status, Station B is rung.
2. In the case of Message Reminder - CCIS [M-34, 34D], service is performed to Station B in Office B. The
service is invalid to station D.
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 CCISCCIS
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