4006 Custom Service Areas (BellSouth Region Specific)

Custom Service Area (CSA) service provides the customer with the capability of 
defining a specific geographical area from which to receive his client's 
traffic.  CSA is implemented as a blocking function on a per end office basis.

Uniform Access Number is also required for this service.

The CSA feature is provided through translation capabilities associated with a 
Traffic Operator Position System (TOPS) Tandem switch.  Each end office in a 
LATA is connected to a TOPS Tandem switch through a dedicated one way trunk 
group.

Generic Name of ONA Service 	Product Name			BSE or CNS
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Custom Service Areas		BS - Custom Service Areas	BSE

References: not available.

This service, if offered as a BSE, is associated with the Circuit Switched
Trunk basic serving arrangement.
