Identifies the destination point code for Transit Signaling.
NOTE 1: At least one (1) occurrence of OPC and/or DPC is required.
USAGE: This field is conditional.
NOTE 1: Required when the TS ACT field is ‘C’ or ‘N’.
NOTE 2: Optional when the TS ACT field is ‘R’.
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 15 alpha/numeric characters
EXAMPLES: 1 2 3 - 4 5 6 - 7 8 9 - B B B
1 2 3 - 4 5 6 - 7 8 9 , 7 9 1
1 2 3 - B B B - 0 0 0 - 4 5 2