Identifies if the service ordered is to be network to network or user to network.
VALID ENTRIES:
N = NNI
U = UNI
USAGE: This field is conditional.
NOTE 1: Required when the first position of the REQTYP field on the ASR Form is "X" and the ACT field on the ASR Form is "N".
NOTE 2: Optional when the first position of the REQTYP field on the ASR Form is "X" and the ACT field on the ASR Form is "C", "D", "M", "T" or "R".
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: N