NEC Neax 2400 Ipx Isdn Features And Specifications

							NEAX2400 IPX ISDN Features and Specifications
Page 146NDA-24311, Issue 1
C-112 Calling Party Information Transfer
Service Conditions (cont’d)
b.) When IAI message is sent in the enhanced format via CCIS network, and when both the called
and destination offices in the CCIS network are applicable to this service.
Calling Party Information—Case 2
Note:Whether the called office is applicable to this service or not is designated in route class data by MAT command
(ARTE).
2. When the originating telephone number exceeds 24 digits, an asterisk (*) is assigned to the 24th character
position.
3. The following attribute data sent from ISDN network/ISDN terminal is transferred to the destination office
in CCIS network, or ISDN network connected to the destination office.
a.) Bearer Capability (BC)
b.) Low Layer Capability (LLC)
c.) High Layer Capability (HLC)
4. Calling party sub-address (maximum of eight digits) sent from ISDN network/ISDN terminal is
transferred to the ISDN terminal accommodated in the office in CCIS network. If the calling party sub-
address exceeds eight digits, an asterisk (*) is assigned to the eighth character position.
ISDNPBX PBXCCISI
IAI
message
(enhanced)
setup
message ISDN
terminalsetup
messagePBX CCISI
IAI
message
(enhanced) 
						

							NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 147
Call Completion to Busy Subscriber (CCBS) C-148
C-148 Call Completion to Busy Subscriber (CCBS)
General Description
This feature provides the Call Back service through the Q-SIG network. (This service is called Supplementary
Service – Call Completion to Busy Subscriber (SS-CCBS), based on ETS 300 366.) SS-CCBS can be set from a
calling station which has dialed a busy station over the Q-SIG network. When this is done, the calling station is rung
as soon as the busy station becomes available. Upon answering, the desired station automatically rings.
Operating Procedure
To set CCBS (Call Completion to Busy Subscriber)
1. Hooking + access code
a.) Hear busy tone.
b.) Press the switchhook.
c.) Dial the CCBS set code; receive service set tone.
d.) Hang up.
2. Last number + access code
a.) Hear busy tone.
b.) Dial the last number of the target telephone number.
c.) Dial the CCBS set code; receive service set tone.
d.) Hang up.
3. D
term feature key
a.) Hear busy tone.
b.) Press the Camp-on feature key; receive service set tone.
c.) Hang up.
To cancel CCBS
1. Access Code
a.) Go off-hook; receive dial tone.
b.) Dial the CCBS cancel code; receive service set tone.
c.) Hang up.
2. D
term feature key
a.) Go off-hook; receive dial tone.
b.) Dial the CCBS cancel code; receive service set tone.
c.) Hang up. 
						

							NEAX2400 IPX ISDN Features and Specifications
Page 148NDA-24311, Issue 1
C-148 Call Completion to Busy Subscriber (CCBS)
Service Conditions
1. This service is provided in the network where the Q-SIG link is established between ends: it cannot be
done using the other signaling systems.
2. This service is activated on the basis of SS-CCBS provided by ETS 300 366.
The methods are as below:
 Path Reservation: non reservation method or path reservation method (selectable)
 Retention of signaling connection: connection retention method
 Service retention: service cancellation method
3. Information transfer specifications are as follows:
 Information transfer rate: 64 kbps
 Information transfer capability: voice, 3.1 kHz audio, 7 kHz audio
Conditions of a calling party
1. This service cannot be set when a calling station is:
 activating Call Back [C-1] or engaged in Call Back
 activating Call Back - CCIS [C-44] or engaged in Call Back - CCIS
 activating Call Hold [C-6]
 restricted.
2. A calling station may set CCBS only just after disconnection as a result of a called station busy.
3. This service can only be activated from D
terms or analog stations. It cannot be done from the Attendant
Console or I interface terminal.
4. If CCBS Call Back is not answered within 30 seconds (flexible by no-answer timer), ringing stops and
CCBS is cancelled.
5. A station cannot activate CCBS to more than one station at a time. Multiple CCBS is not allowed. The
number of simultaneous CCBSs per LP is:
480 (max. number of calls) – (number of ISDN calls caused + number of CCBS under transaction).
6. CCBS is not activated if a calling station is in the Line Lock Out or Make Busy status when called back.
However, if that station is called back after returning to the normal status, CCBS may be activated.
7. If all the trunks for Q-SIG are busy (if there are no idle trunks) when a setting station is called back, CCBS
is not activated and cancelled.
8. The following are the conditions when the path reservation method is used.
a.) If no answer returns for the path reservation requirement within 30 seconds, CCBS is cancelled.
b.) If an error message returns for the path reservation requirement, each of the following operations
is made:
remote User Busy Again : waiting for the called station to become idle.
failure To Much : CCBS is cancelled
failed Due To Interworking : CCBS is cancelled
unspecified : CCBS is cancelled
others : CCBS is cancelled 
						

							NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 149
Call Completion to Busy Subscriber (CCBS) C-148
Service Conditions (cont’d)
Conditions of a called station
1. This service cannot be set when a called station is:
 in the Line Lockout status
 in the Make Busy status
 activating Call Back [C-1] or engaged in Call Back
 activating Call Back – CCIS [C-44] or engaged in Call Back – CCIS
 activating Call Hold [C-6]
 engaged in Attendant Camp-on with Tone Indication [A-1]
 restricted
2. This service can only be activated to D
terms or analog stations. It cannot be set to the Attendant Console
or I interface terminal.
3. CCBS can be set only when a called station is engaged in a station call or trunk call.
4. Once CCBS is set, it remains effective until cancelled. However, if a called station activates Line Lockout
without being idle or in the case of Call Back time-out, CCBS which has been set is cancelled
automatically.
5. CCBS cannot be set by more than one station at a time. Multiple CCBS is not allowed. The number of
simultaneous CCBSs per LP is:
480 (maximum number of calls) – (number of ISDN calls caused + number of CCBSs under transaction).
6. If a calling station does not answer Call Back within 30 seconds, CCBS is cancelled from a called station.
7. Even when a called station is in a Station Hunting [S-7, S-8, S-9] group, CCBS is set to the called station.
8. When a called station is in the Call Forwarding – All Calls mode, CCBS is set against the call forward
target station.
9. The following are the conditions when the path reservation method is used.
a.) If the called station is busy again upon receiving the path reservation requirement, CCBS is
postponed.
b.) If the called station is busy again when Called Back after the path reservation is completed,
CCBS is cancelled.
c.) If the analog called station goes off-hook during the path reservation (during Call Back to the
calling party), reorder tone is sent (call origination is not available); in case of the D
term station,
call origination using the called line is not available.
When the calling station answers Call Back during this off-hook status, the analog station is
connected, or the D
term station is rung. 
Conditions of the Q-SIG network
1. Each office in the Q-SIG network must have a different office number from the others. Also, an office
must be connected from every office in the network by dialing the same number. However, a connection
using Sub-address present [S-96] service is not available. (In the case of using Uniform Numbering Plan,
each telephone number must be different in the network.) 
						

							NEAX2400 IPX ISDN Features and Specifications
Page 150NDA-24311, Issue 1
C-148 Call Completion to Busy Subscriber (CCBS)
Service Conditions (cont’d)
2. If a Q-SIG data link is down during CCBS assignment, this CCBS is not assigned. If the link is down while
a calling station is canceling its CCBS assignment operation, only CCBS to that station is cancelled.
(Since the message is not sent to the station to which CCBS is set, CCBS to that station is not cancelled.)
If the link is down during Call Back, CCBS to a called station is cancelled.
(Since the message is not sent to the calling station, CCBS to that station is not cancelled.)
If the link is down when a calling station answers to Call Back, CCBS to that station is cancelled.
(Since the message is not sent to the called station, CCBS to that station is not cancelled.)
3. When a Q-SIG data link has been down upon CCBS assignment, and if another link is available, this link
may be used for sending a setting message, Q-SIG routes only. Path reservation (if used) and CCBS Call
Back are established via the route which has been used for sending a CCBS setting message; the other
routes cannot be used. If all B-channels of the relevant route cannot be used (B-channel selection cannot
be made) and path reservation or CCBS Call Back cannot be activated, the following operation is made as
path reservation/CCBS Call Back failure:
a.) Failure at a calling office : service is cancelled and busy tone is sent to the calling station.
b.) Failure at the intermediate office: path reservation or CCBS Call Back error message is sent to
the calling station
: CCBS cancellation message is sent to the called station. 
						

							NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 151
Call Completion on No Reply (CCNR) C-152
C-152 Call Completion on No Reply (CCNR)
General Description
This service (Supplementary Service - Call Completion on No Reply (SS-CCNR), based on ETS 300 366), allows
the Camp-On service through the Q-SIG network. When the called station does not answer, the calling station can
set CCNR. When this service is set, the calling station rings back as soon as the called station becomes idle, and
upon answering, the desired station is automatically rung.
Operating Procedure
To set CCNR (Call Completion on No Reply)
1. Dial the desired telephone number; hear ringback tone.
2. Press hookswitch and dial the CCNR set code; receive service set tone. If the caller is using D
term, press
the Camp-On key.
3. Replace the handset.
To cancel CCNR
1. Lift the handset; receive dial tone.
2. Dial the CCNR cancel code; receive service set tone. If the caller is using D
term, press the Camp-On key.
3. Replace the handset.
Note:Since there is no standard operation provided by ETS 300 366, the operation depends on the terminals used by the
caller.
Service Conditions
1. Q-SIG CIRCUIT SWITCHED BASIC CALL - ETSI VERSION [Q-4] should be available.
2. This service is available in the network where the end to end Q-SIG link is established. (It is not available
using the other signaling systems.)
3. This service is activated based on SS-CCNR provided by ETS 300 366, and the methods are used:
a.) Path reservation: non-reservation method or path reservation method (selectable)
b.) Retention of signaling connection : connection retention method
c.) Service retention: service cancellation method
4. The bearer capability and data transmission specifications are as follows:
a.) Data transmission speed: 64 kbps
b.) Bearer Capability: voice, 3.1 kHz audio, 7 kHz audio
Service Conditions of the calling station
1. When the calling station is in the following status, CCNR cannot be set:
a.) when the station has set Camp-On, or when Camp-On is set to the station
b.) when the station has set Camp-On - CCIS, or when Camp-On - CCIS is set to the station
c.) when the station is holding a call (CALL HOLD [C-6])
d.) when the service is restricted.
2. This service can be set only from the D
term or the DP station. 
						

							NEAX2400 IPX ISDN Features and Specifications
Page 152NDA-24311, Issue 1
C-152 Call Completion on No Reply (CCNR)
Service Conditions (cont’d)
3. When the calling station does not answer the recall within 30 seconds (this timing can be changed by the
no answer timer), ringing stops, and CCNR service is cancelled.
4. A station cannot activate CCNR to more than one station at a time; i.e., multiple CCNR is not allowed.
The number of simultaneous CCNRs per LP is as follows:
480 (maximum number of calls) - (number of current ISDN calls + number of CCNRs being set)
5. If the calling station is in line lockout/make busy status when called back, CCNR is cancelled. However,
if the calling station is recalled after returning to the normal status, CCNR is activated.
6. If all the Q-SIG tie line trunks are busy when the calling station is recalled, CCNR is cancelled.
7. If the station setting CCNR is engaged in another call when called back, CCNR is activated when the
station is released from the call.
8. CALL WAITING - ORIGINATING [C-31] is restricted.
9. The following are the conditions when the path reservation method is used.
a.) if no answer returns for the path reservation requirement within 30 seconds, CCNR is cancelled.
b.) if an error message returns for the path reservation requirement, each of the following operations
is made:
remote User Busy Again : waiting for the called station to become idle.
failure To Much : CCNR is cancelled
failed Due To Interworking : CCNR is cancelled
unspecified : CCNR is cancelled
others : CCNR is cancelled
Service Conditions of the called station
1. When the called station is in the following status, CCNR cannot be set:
a.) when the station is in line lockout status
b.) when the station is in make busy status
c.) when the station has set Camp-On, or when Camp-On is set to the station
d.) when the station has set Camp-On - CCIS, or when Camp-On - CCIS is set to the station.
e.) when the station is holding a call (CALL HOLD [C-6])
f.) when ATTENDANT CAMP-ON WITH TONE INDICATION [A-1] is set to the station
g.) when the service is restricted.
2. This service can be set only to the D
term or the DP station.
3. Once CCNR is set, it remains effective until the service is cancelled. However, if the called station
activates line lockout without being idle, or if the calling station does not answer the recall within the
predetermined time interval, CCNR is cancelled automatically.
4. CCNR cannot be set to more than one station at a time; i.e., multiple CCNR is not allowed. The number
of simultaneous CCNRs per LP is as follows:
480 (maximum number of calls) - (number of current ISDN calls + number of CCNRs being set)
5. If the calling station does not answer the recall within 30 seconds (this timing can be changed by the no
answer timer), CCNR is cancelled from the called station.
6. If the called station belongs to a Station Hunting [S-7,S-8,S-9] group, CCNR is set to the called station
(not to the hunt group). 
						

							NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 153
Call Completion on No Reply (CCNR) C-152
Service Conditions (cont’d)
Service Conditions of the called station
7. If the called station has set one of the following Call Forwarding services, CCNR is set to the called
station.
CALL FORWARDING - BUSY LINE [C-2]
CALL FORWARDING - DON’T ANSWER [C-3]
CALL FORWARDING - BUSY LINE - OUTSIDE [C-60]
CALL FORWARDING - DON’T ANSWER -OUTSIDE [C-74]
8. If the called station has set Call Forwarding - All Calls [C-5] or Call Forwarding - All Calls - Outside
[C-28], CCNR is restricted.
9. CALL WAITING - TERMINATING [C-12] is restricted.
10. The following are the conditions when the path reservation method is used.
a.) if the called station is busy again upon receiving the path reservation requirement, CCNR is
postponed.
b.) if the called station is busy again when Called Back after the path reservation is completed,
CCNR is cancelled.
c.) if the analog called station goes off - hook during the path reservation (during Call Back to the
calling party), reader tone is sent (call origination is not available); in case of the D
term station,
call origination using the called line is not available.
When the calling station answers Call Back during this off - hook status, the analog station is
connected, or the D
term station is rung. 
11. The numbering plan should be considered so that each office in the Q-SIG network has the unique office
number and can be connected to every other office in the network by dialing the same number. However,
connection using sub-address service is not available. (In case of using Uniform Numbering Plan, each
telephone number must be different from the others in the network.)
12. In case of Q-SIG data link failure during CCNR service, the following conditions occur:
a.) If the failure occurs while the calling station is setting CCNR, CCNR is not set.
b.) If the failure occurs while the calling station is cancelling CCNR, CCNR is cancelled only on the
calling station side. If the message is not sent to the called station, the service is not cancelled on
the called station side.
c.) If the failure occurs while the calling station is recalled, CCNR is cancelled only on the called
station side. If the message is not sent to the calling station, the service is not cancelled on the
calling station side.
d.) If the failure occurs when the calling station is answering the recall, CCNR is cancelled only on
the calling station side. If the message is not sent to the called station, the service is not cancelled
on the called station side.
Service Conditions of Q-SIG network
13. Alternate routing:
a.) If the Q-SIG data link failure occurs during CCNR service, and if there is an alternate route
available (provided it is a Q-SIG route), the message is sent on that route.
b.) Path reservation (if used) and CCNR recall to the calling station are activated on the route that
was used for sending the CCNR setting message; alternate routing is not available. If that route is
busy and the calling station cannot be recalled (B-channel selection cannot be made), following
operation is made as path reservation/CCNR recall failure:
Failure at the calling office : Service is cancelled, and busy tone is sent to the calling station.
Failure at the tandem office  : Path reservation or CCNR recall error message is sent to the
calling station, and CCNR cancellation message is sent to the
called station. 
						

							NEAX2400 IPX ISDN Features and Specifications
Page 154NDA-24311, Issue 1
C-153 Calling Name ID Presentation (CNIP)/ Connected Name ID Presentation (CONP)
C-153  Calling Name ID Presentation (CNIP)/
Connected Name ID Presentation (CONP)
General Description
This service (Supplementary Service - Calling Name Identification Presentation (SS-CNIP)/Connected Name
Identification Presentation (SS-CONP), based on ETS 300 238) allows the name display service through the Q-SIG
network. When the calling station places a call over the Q-SIG network, the Name ID of the calling station displays
on the D
term LCD of the called station (CNIP service). Also, the called station Name ID displays on the Dterm LCD
of the calling station (CONP service). When the calling station is connected to a station in the CCIS network via
Q-SIG network (tandem connection), the CNIP/CONP service and NAME DISPLAY - SYSTEM - CCIS [N-37]
service interact to display the name information on the D
term LCDs of both sides.
Operating Procedure
No manual operation is required.
Service Conditions
1. Q-SIG CIRCUIT SWITCHED BASIC CALL - ETSI VERSION [Q-4] should be available.
2. This service is available in the network where the end to end Q-SIG link is established or in the network
consisting of Q-SIG link and CCIS lines. However, in the following cases, this service is not available:
a.) when the call is routed over the office where Q-SIG Name ID notification service is not available.
b.) when the call is routed over the office where NAME DISPLAY - SYSTEM - CCIS [N-37] is not
available.
3. The routes to the office where Q-SIG Name ID notification service is available must be separated from
the routes to the office where the service is not available.
4. Even when the call is forwarded, the Name ID displayed on the calling station D
term LCD during ringing
is that of the dialed station.
5. When the call is forwarded to the other office (e.g., CALL FORWARDING - ALL CALLS - CCIS
[C-45]), the Name ID displayed on the calling station D
term LCD is that of the terminating station (target
station).
6. CONP service is available when the called station is busy or in line lockout status. However, when the call
is restricted, the Name ID does not display.
7. When the either of the calling/called station places the other on Consultation Hold and blind transfers the
call by Voice Call, the Name ID is not displayed to the transfer destination station.
8. This service and CALLING PARTY INFORMATION TRANSFER [C-112] cannot be activated together.
9. The Bearer Capability and data transmission specifications are as follows:
a.) Data transmission speed: 64 kbps
b.) Bearer capability: voice, 3.1 kHz audio, 7 kHz audio
10. If there is no Name ID for the calling/called station, the calling/called number displays instead of the Name
ID. 
						

							NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 155
Calling Name ID Presentation (CNIP)/ Connected Name ID Presentation (CONP) C-153
Service Conditions (cont’d)
11. The Name ID may consist of either 8 or 16 digits; however, a maximum of 50 digits can be transferred at
the tandem office. The following table shows how the Name ID displays when 8-digit display notification
and 16-digit notification are used simultaneously.
12. Even though the D
term with 24-digit LCD display is used, only 8 or 16-digit display service is provided.
In this case, 8 segments from the left are left blank and 16 segments from the right are used for the
information display.
13. When 16-digit Name ID notification is assigned, multilines cannot be assigned on the D
term.
14. When the call to Q-SIG line is originated using the D
term subline, the Name ID of the subline is notified
(in case of 8-digit display).
15. The called station Name ID is notified to the calling station only when the called number is the prime line
of the called station (in case of both 8/16-digit display).
16. The information to be displayed may consist of alphanumeric characters and symbols stated in
ISO-8859-1.
17. D
term with LCD display is required to activate this service.
18. When the Name ID that is restricted from displaying is received, it is not displayed.
19. This service is available when the calling/called station is in the following status or has set the following
services:
CALL FORWARDING - ALL CALLS - CCIS [C-45]
CALL FORWARDING - BUSY LINE - CCIS [C-46]
CALL FORWARDING - DON’T ANSWER - CCIS [C-47]
CALL PICKUP [C-7]
CALL WAITING - ORIGINATING/TERMINATING [C-31/12]
DO NOT DISTURB - CCIS [D-76]
INTER-OFFICE OFF-HOOK QUEUING [I-11]
OUTGOING TRUNK QUEUING [O-2]
STEP CALL - CCIS [S-59]
Answering a parked call
Recalled from a held call
Receiving a call from UCD [U-1] queuing
Trunk Camp-On
Calling Office
Called Office →
(No. of Name ID Digits)
Calling Station Name ID DisplayCalled Station Name ID Display 
16→816-digit display in middle line
(8 digits from the right are left blank)8-digit display in upper line
(first 8 digits are displayed)
8
→168-digit display in upper line
(first 8 digits are displayed)16-digit display in middle line
(8 digits from right are left blank)
8
→16→8 8-digit display in upper line 8-digit display in upper line
16
→8→16 16-digit display in middle line 16-digit display in middle line