Identifies the provider responsible for delivery of the SECLOC termination in a multi provider service arrangement.
NOTE 1: The format and structure of this field is defined by ANSI in document T1.251, Identification of Telecommunications Service Provider Codes for the North American Telecommunications System.
VALID ENTRIES:
• COMMON LANGUAGE EC Code – A four alpha character code, which identifies providers in North America, maintained by Telcordia Technologies.
• COMMON LANGUAGE EC Code – A two alpha character code, which identifies the former Bell companies maintained by Telcordia Technologies.
• Company Code – A four alpha/numeric character code structure assigned and maintained by NECA for North America and certain U.S. territories.
NOTE 1: Valid EC codes are outlined in Telcordia Technologies practice BR 751-100-112.
NOTE 2: Valid Company Codes are available from NECA.
USAGE: This field is conditional.
NOTE 1: Required when the ASC-EC field on the ASR Form is populated, and the CKLT field is blank.
NOTE 2: Optional when the ASC-EC field on the ASR Form is populated and the CKLT field is populated.
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 4 alpha/numeric characters
EXAMPLES: G T P A
2 0 3 4
S W
1 2 A 3