User`s guide

13(20)
Datum/Date Rev
Dokumentnr/DocumentnrUppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked Tillhör/Referens-File/Reference
98-01-31 B
321/155 34-ASB 150 02 Uen
FACILITY DESCRIPTION
Faktaansvarig - Subject responsible
Carrier Selection
Least Cost Routing selects a carrier according to the
breakdown of costs and the availability of trunk lines to
the carriers.
Input
• Price breakdown of possible carriers (by means
of a cost analysis)
• Which carriers can be reached by use of availa-
ble (not busy, outgoing) trunk lines
Database
• Internal Access Code [8401] that is used to set
up calls to the carrier.
• Are the Routing Choices [0154] limited? (Not al-
lowed to use an alternative choice / Allowed to
use one alternative choice / Allowed to use all al-
ternative choices)
Available carrier Routing choices Selected carrier
Cheapest carrier ( uninportant ) Least Cost Routing selects the cheapest carrier.
2nd cheapest carrier One alternative choice or Least Cost Routing selects the 2nd cheapest
all alternative choices carrier.
allowed.
2nd cheapest carrier No alternative choice No carrier selected. The extension ( or the calling
allowed. trunk ) receives busy tone.
Other carrier(s) than the All alternative choices Least Cost Routing selects the cheapest of the
cheapest and the 2nd allowed. available carriers.
cheapest
Other carrier(s) than the No alternative choice or No carrier selected. The extension ( or the calling
cheapest and the 2nd one alternative choice trunk ) receives busy tone.
cheapest allowed.