NC - Network Channel Code

Identifies the network-channel code for the circuit(s) involved. The NC code describes the channel provided from the end-user premises to the provider dial tone office.

NOTE 1: The format and structure of this field is defined in the ANSI approved standard, ATIS-0300223, Structure for the Identification of Network Channel (NC) and Network Channel Interface (NCI) Codes for Information Exchange or by COMMON LANGUAGE in BR-795-403-100. A brief summary of the format can be found in ASOG Practice 000, Section 2.14.6.

VALID ENTRIES:

NC Code

NOTE 1: Valid CLLI Codes are maintained by Telcordia Technologies.

USAGE: This field is conditional.

NOTE 1: Required when the ACT field on the ASR Access Service Request Form is “N”, “C” or “T”, otherwise optional.

DATA CHARACTERISTICS: 4 alpha/numeric characters

EXAMPLE: S E A N