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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1203Call Coverage
20
DEFINITY ECS allows for multiple coverage paths. However, for any particular
call only one coverage path is used. The “lead” coverage path is the first coverage
path in a chain that is considered when a call redirects to coverage. The chain is
defined in the Next Path Name field on the Coverage Path screen.
When a call redirects to coverage, the lead coverage path at that time is checked to
determine whether its coverage redirection criteria match the call status. If there is
a match the lead coverage path is used. If the lead coverage path’s redirection
criteria does not match, the system moves down the path chain until it finds a
coverage path with redirection criteria that matches the call status. If the chain is
exhausted before the system finds a match, the call does not redirect to coverage.
Once a coverage path is selected, it is used exclusively through the duration of the
call.
You can assign lead coverage paths directly in the Coverage Path 1 or Coverage
Path 2 fields on the appropriate screens. For example, to assign a lead path for a
TEG, set the Coverage Path field on the Terminating Extension Group screen. You
can also assign the lead paths indirectly by assigning a Time-of-Day Coverage
Table to the Coverage Path 1 and Coverage Path 2 fields. Then, the system selects
the lead path according to the time of day.
Subsequent redirection interval
The number of times a call rings at a particular coverage point before the switch
moves the call to the next coverage point depends on the type of ringing coverage
point (for example, local, Distributed Communications System (DCS), CCRON,
and so forth). For each type of coverage point, the following table shows which
subsequent redirection interval on the System-Parameters Call Coverage/Call
Forwarding screen is used.
■ Local — On the System-Parameters Coverage/Forwarding screen, the
Local Subsequent Redirection/CFWD Don’t Answer Interval field.
■ Off-net — On the System-Parameters Coverage/Forwarding screen, the
Offnet Subsequent Redirection/CFWD Don’t Answer Interval field.
■ * — The call is left off-net.
Type of Coverage Subsequent Redirection Interval
local local
remote *
CCRON off-net
DCS local