Identifies the customer's signaling point in a CCS network.
NOTE 1: This entry must be identical to the CSPC field entry on the Trunking Form.
USAGE: This field is conditional.
NOTE 1: Required when provided on the ASR , otherwise prohibited.
DATA CHARACTERISTICS: 11 numeric characters (including 2 preprinted hyphens)
EXAMPLE: 2 4 9 - 2 5 5 - 1 0 1