Identifies the number of end points with circuit activity as shown on the Multipoint Service Legs (MSL) Form for extensions off the WAL main service.
NOTE 1: The WAL service is not treated as a secondary location in determination of the NSL requirement. The extensions (with order activity) off the WAL main service are included in the NSL count.
USAGE: This field is conditional.
NOTE 1: Required when MSL Form(s) is associated with the request, otherwise prohibited.
DATA CHARACTERISTICS: 2 numeric characters
EXAMPLE: 0 3