Identifies the ten-digit test telephone number to be used by the provider for call through testing.
Usage: This field is conditional
NOTE 1: Required when the first position of the TQ field on the ASR Form is āCā.
NOTE 2: Optional when the first position of the TQ field on the ASR Form is āEā.
NOTE 3: Otherwise prohibited.
DATA CHARACTERISTICS: 10 numeric characters (excluding 2 preprinted hyphens)
EXAMPLE: 9 7 2 - 3 3 4 - 2 1 1 2