Mitel 430 - Least Cost Routing (LCR)

Call routing
207
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Tab. 41 Setting the routing parameters
Terminals with a separate direct dialling plan down circuit from an MiVoice Office 400
communication server can also be addressed from the public or private leased-line.
From a routing technology viewpoint this corresponds to the situation "Routing a call
from the public / private network to the PISN" (see also the descriptions as of
page 238
).
An BRI-S
external interface (P-P or P-MP) can be used as the network interface.
The call charges are transmitted in ETSI format
6. 5 Least Cost Routing (LCR)
Nowadays users usually have several service providers at their disposal to rely on for
routing their calls. To ensure that calls are routed as cost effectively as possible, it
make sense to select the service provider according to the call destination (e.g. to use
a different service provider for long-distance calls compared with local calls).
A service provider will either have his own network or a licence agreement with another
network provider. A private leased-line network as defined for the LCR function is a
service provider with special characteristics.
In this chapter the term network provider will be used for both network providers and
service providers.
6. 5. 1 Direct or indirect selection of the network provider
The network provider can be selected either manually for each call or automatically us-
ing the LCR function.
The network of the required network provider can be reached directly or indirectly from
the communication server.
Parameter Parameter value
User configuration PISN-BN 451:
• Route 5 (route reference number)
• External call number –
• Numbering plan identifier (NPI) E.164
Route 5:
• Trunk group 5 (separate trunk group with BRI-S
external for DDO application)
• External digit barring Use or do not use digit barring
Trunk group 5:
• Network interfaces Interface BRI-S external
• Network type Private
• Protocol DSS1