TSC - Two Six Code

Identifies a code assigned to a trunk Denotes a communications path connecting two switching systems in a network, used in the establishment of an end-to-end connection. group or a CCS Link Set.

NOTE 1: The code set is unique to each established trunk group or CCS Link Set and is provided to the customer on the Firm Order Confirmation.  The TSC entry may then be populated by the customer when ordering changes, additions or deletions to an existing trunk group or CCS Link Set.

USAGE: This field is conditional.

NOTE 1: Required when the LA field is "Y" for established trunk side service or CCS Link Set.

NOTE 2: Optional when the LA field is not populated for established trunk side service or CCS Link Set.

NOTE 3: Otherwise prohibited.

DATA CHARACTERISTICS: 8 alpha/numeric characters

EXAMPLE: A Q 2 3 4 5 6 7