NEC NEAX 2000, Руководство по программированию

Страница: 940 / 1200

ND-91285-001(E)
DECEMBER, 1999
Page 158
Revision 1.0
(1/2)
DISTINCTIVE RINGING
GENERAL DESCRIPTION
This service feature provides DISTINCTIVE RINGING patterns to the station so that the station user
can distinguish between internal and external incoming calls.
This feature also enables the LED associated with the line key of the D
term
to flash in two colours
according to the kind of incoming call.
STATION APPLICATION
All stations
OPERATING PROCEDURE
No manual operation is required.
SERVICE CONDITIONS
1. Ringing pattern for Incoming Internal Calls: 1 sec. ring
2 sec. silence
2. Ringing pattern for Incoming External Calls: 0.4 sec. ring
0.2 sec. silence
0.4 sec. ring
2.0 sec. ring
3. Ringing pattern for CALL BACK, 0.2 sec. ring
OUTGOING TRUNK QUEUEING, 0.2 sec. silence
CAMP-ON and CALL WAITING-STATION: 0.2 sec. ring
0.2 sec. silence
0.2 sec. ring
2.0 sec. silence
4. All recalls (to D
term
): 0.5 sec. ring
0.5 sec. silence
0.5 sec. ring
0.5 sec. silence
5. The ringing pattern for incoming internal calls is programmable on a system basis.
6. The ringing pattern for incoming external calls is programmable on per trunk route basis.
7. The ringing pattern of recalls to Single Line Telephones is the same pattern as that of the original call.
8. If an Off-Premises Station (OPS) or denied station is assigned to a station line, an option is available
for that class of service to eliminate DISTINCTIVE RINGING signals.