NEC NEAX 2000, Руководство по программированию

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ND-91285-001(E)
DECEMBER, 1999
Page 109
Revision 1.0
(1/1)
CALL WAITING - TERMINATING
GENERAL DESCRIPTION
This feature enables a busy station to receive a second incoming call. A CALL WAITING tone is sent
to the busy station, at which point the user can place the existing call on hold to answer the second, and
may then alternate between the two.
STATION APPLICATION
All stations
OPERATING PROCEDURE
To answer a CALL WAITING:
1. Attendant activates ATTENDANT CAMP-ON WITH TONE INDICATION features from the
Attendant Console.
2. CALL WAITING tone is sent to the busy station.
3. The called party may answer the CALL WAITING by using the CALL HOLD feature or by dis-
connecting from the original call, in which case the CALL WAITING will automatically ring the
called station.
SERVICE CONDITIONS
1. ATTENDANT CAMP-ON and CALL HOLD must be allowed in CLASS OF SERVICE - INDIVID-
UAL programming to activate CALL WAITING - TERMINATING.
2. The CALL WAITING features are limited to one call waiting per line. When the CALL WAITING
feature is activated, the called station must be in a steady two-party talking state with a trunk or another
station. There are 128 stations per system to which these features can be assigned.
3. The CALL WAITING features are assigned per station (Service Feature Class - SFC) in the system
class of service tables.
4. By definition, originating CALL WAITING cannot be used on any outgoing trunks.