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Chapter 8. Least Cost Routing (FF8)
Step 6: Set Up Add/Delete Digits
The DBS will automatically outpulse Add Digits, or prevent Delete Digits
from being outpulsed, at the beginning of all phone numbers dialed on trunks
in the assigned group. The Add/Delete Digits are associated with LCR trunk
groups, not with the dialed phone number or the time of day.
Example: When the DBS is behind a PBX, assign "9-PAUSE" (press the
REDIAL key to insert the pause) so that the PBX will be automatically
accessed whenever a user dials out.
Activating LCR
• Although the FF8 addresses provide for LCR setup, you must activate
• You can still build a Pooled Trunk Group "9" in FF2 (Trunk)# 3#, which
• Individual extensions can be forced to use LCR in FF3 (ExtPort)# 4#.
LCR Call Processing
LCR processes calls as follows:
1. An extension user dials an outgoing phone number.
2. The DBS determines which Time Priority Route Table to use for the call,
3. The DBS will search all trunks in the Time Priority Route Table's assigned
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FF8 7# (TrunkGroup)# (DeleteDigits)#
FF8 8# (TrunkGroup)# (AddDigits)#
LCR in the "LCR Access" system address, FF1 2# 1# 3# 1#.
the DBS will access if all LCR trunks are busy.
• If 0, 411, 555, 911, or 800 is dialed, the DBS will automatically drop
out of LCR and use pooled trunk group "9" (this trunk group is built in
FF2 Trunk# 3#). This occurs to make sure these numbers are dialed
without any modification (e.g., LCR's Add/Delete Digits Tables).
based on the area code and/or office code dialed.
• If the number is not assigned to a Table, LCR processing terminates
and the call is routed to pooled trunk group "9".
trunk groups, until an available trunk is found.
• If all trunks in the first trunk group are busy, the DBS will search it
again. If all the trunks are still busy, the user will hear a "beep-beep"
tone as LCR proceeds to the next trunk group. Each trunk group is
searched twice.
• If no trunks are available in any trunk group (whether LCR or not), the
user (after hearing busy tone) can dial "2" to have the DBS call back
DBS Manual - Revised April 2000
Section 400-Programming
DBS-2.3/9.2-400
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