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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
ATM Switch Feature Interactions
B-6Location-related Interactions
B
Time of Day considerations
Ta b l e B - 3 shows the time-of-day impacts on users and administrators. In the
Group column:
■ User-visible means that times are visible and/or manipulated by the users.
■ System management means that times are visible to, used by, and set by
the system administrator or other switch management.
Table B-3. Time of day impacts
Use Group Impact
User date and time User-visible The date and time displayed by the system should
indicate the user’s local time.
Automatic wakeup
Announcements
Do-Not-Disturb
User-visible The user is able to specify and receive a wakeup
call at the correct local time.
Call Detail Recording System
management
Times recorded may have to be matched against
times reported by public network service providers
(which may be dependent on the locations of trunk
groups). Two kinds of changes:
■ Automatic changes are set in software to
occur at 2 AM, for example.
■ Manual changes are still possible
Time-of-Day routing System
management
Times are derived from time-of-day considerations
based on the location(s) of various outgoing
trunks. For example, a time-of-day routing change
may take place at 5:00 PM EST because calls
entering the public network through a New York
trunk group receive reduced rates. Another
change may occur at 5:00 PM PST because trunks
in Los Angeles now provide reduced rates. Some
or all of these times may be subject to daylight
savings time changes.
Malicious Call Trace System
management
Recorded time may need to be converted to
user-perceived time. Because this feature is
invoked infrequently, manual conversion is
acceptable.
AUDIX User-visible AUDIX maintains its own time (including daylight
savings) and is unaffected by switch
administration. Depending on the number of DCS
links available, it is possible to provide a different
AUDIX switch for each time zone (or each
location), with the AUDIX clock set to match.
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