Call routing
210
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Fig. 102 Outgoing exchange traffic using LCR
The call is analysed and routed in three stages:
• Classification of the outgoing call on the basis of the LCR table and allocation to a
particular routing table.
• Using the routing table to select a primary and alternative network provider, depend-
ing on the time of day and the weekday.
• Network provider-specific conversion of the phone number and routing of the call on
the basis of the network provider table.
Digits analyse and
conversion
Outgoing call
Exchange access prex + destination number
Internal and external digit barring
LCR on
LCR o
Routing to a network
interface in accordance
with the conguration
Routing to a network
interface in accordance
with the LCR function
Destination call numbers (converted) Destination call numbers
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