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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1478Ringing — Abbreviated and Delayed
20
■ ISDN — World Class Basic Rate Interface
Several of the protocol variations supported by the World Class BRI feature
do not permit the messaging required for control of the station’s ringer by
Ringing — Abbreviated and Delayed. In this case, ring type is forced to a
value of ring.
■ Multiappearance Preselection and Preference
The system automatically selects any alerting call on a station whether or
not it is ringing if the Per Button Ring Control field is set to
n. If the field is
set to
y, it selects only audibly ringing calls.
■ Off-Premises Station and Off-Premises Extension Lines
You must use ring type of “ring” for OPS and OPX lines.
■ PCOL Calls
PCOL calls are not affected by the ring values, but continue to be directed
by the bridged call alerting administration.
■ Redirection Notification
If Redirection Notification is enabled, terminals only receive redirection
notification if the alerting button or the first call appearance has an assigned
ring value of ring or abbreviated ring.
■ Terminating Extension Group Calls
TEG calls are not affected by the ring values, but continue to be directed by
the bridged call alerting administration.
■ Voice Mail Systems
Voice mail systems may look for ringing applied to a port to trigger call
answer. Undesirable adjunct operation may result if ring-type translations
are inappropriately set for ports serving these adjuncts.