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NEAX2400 IPX ISDN Features and Specifications
Page 152
NDA-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).