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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Screen reference
981Trunk Group
17
Digit Absorption List
This field assigns a digit absorption list, when used, to a trunk group that
terminates at a step-by-step central office.
Prefix-1
Use this field for outgoing and two-way trunk groups handling long distance
service. This field appears for CO, FX, and DIOD trunk groups.
Trunk Flash
Some central offices allows users to activate special services (call waiting or
3-way conferencing, for example) by flashing the switch hook on their phone. If
an outside caller does this while they’re on a call with one of your users, your
switch may interpret the flash as a disconnect signal and end the call. Use this
field to prevent such accidental disconnections.
Toll Restricted
BCC
Generalized Route Selection uses the BCC to select the appropriate facilities for
routing voice and data calls. Far-end tandem switches also use the BCC to select
outgoing routing facilities with equivalent BCC classes.The entry in the Bearer
Capability Class field is used to select the appropriate facilities for incoming
Valid entries Usage
0
to 4 Enter the number of the digit absorption list this trunk group
should use.
Valid entries Usage
y/n
Enter y to add the prefix “1” to the beginning of the digit string
for outgoing calls. Do not enter
y for trunk groups in AAR or
ARS route patterns.
Valid entries Usage
y/n
Enter y so that your switch won’t disconnect incoming callers
who flash their switch hook to activate central office services.
Valid entries Usage
y
Enter y to prevent toll-restricted users from using a trunk
access code to make restricted outgoing calls over this trunk
group.
n
Enter n if the Outgoing Dial Type field is automatic or if you
don’t want to restrict access.