Identifies the network channel code for the circuit(s) involved. The network channel code describes the channel provided by the provider.
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) for Information Exchange or by COMMON LANGUAGE in BR-795-403-100. A brief summary of the format can be found in ATIS-0404000, Section 2.14.6
NOTE 2: If this field indicates that bridging is involved, the bridging location must be specified in the CKLT field.
VALID ENTRIES:
NC Code
NOTE 1: Valid NC codes are maintained by Telcordia Technologies.
USAGE: This field is conditional.
NOTE 1: Required when the ACT field on the ASR Form is “N”, “C” or “T”, otherwise optional.
DATA CHARACTERISTICS: 4 alpha/numeric characters
EXAMPLE: L G C B