Samsung IPX-S300B System Description page 45

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Emergency CAC
When CAC by system resource, region or trunk call count is exceeded, the system decides
whether the incoming call is an emergency call and, if so, disconnects existing calls and
processes the emergency call.
Least Cost Route (LCR)
IPX-300B performs the LCR service in various ways.

LCR by Location
The LCR by location feature allows you to assign one of the three LCR methods
(priority-based LCR, time/rate based LCR, and equally distributed LCR) for each
location of the calling party.

Priority Routing
The route sequence feature allows automatic selection of alternative routes when the
endpoint set as the default LCR is not available for call connections. Routes are
assigned with priorities so that the route with the highest priority among those
available is selected.

Time-based Routing
The special route sequence feature allows each service group to use its own route
sequence features based on its time and rate conditions.

Load-balanced Routing
The route set feature allows the use of the set routes in an equally distributed manner
according to the set ratio. Calls are distributed only between the routes identified as
available for calls, and therefore there is no need for configuring alternative routes, as
in other LCR methods.
Call Restriction
The IPX-S300B allows restriction of outgoing calls or incoming calls for each user. It is
also possible to restrict all outgoing calls and incoming calls. Also, when an external call is
placed through a trunk route, usage of the trunk route can be allowed or disallowed.
IPX-S300B supports the following three types of call restriction policies.

Extension Lock
You can restrict outgoing calls or incoming calls for users. You can also restrict both
outgoing and incoming calls. This setting is applied to all calls, whether internal or
external.

Route Lock
You can specify whether to use a route for external calls coming through the endpoint
connected to the route.

Call Restriction Policy
Call restriction policies can be applied by analyzing the calling number or called
number when external calls are made to the users or external calls are made by the
users through the trunk.
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