Identifies the "glare master".
VALID ENTRIES:
A = Customer
B = Provider
C = TCIC Option
NOTE 1: A valid entry of "C" is applicable for CCS trunks only and glare master is controlled by switch types.
NOTE 2: When the CC field on the ASR Form is populated, glare master is based on switch hierarchy (ex. If the customer has a class 5 office and the provider has a class 4, then the provider is glare master).
NOTE 3: When the CC field on the ASR Form is populated and the switch types are the same (ex. Class 5 to Class 5), glare master is the lower alpha CLLI code between the two companies.
USAGE: This field is conditional.
NOTE 1: Required when the TK SEQ field is populated, otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: A