Bitfields for CAPI v2.0 B3 protocol support: Bit(s) Description ) 0 transparent (required, always set) 1 T.90NL with T.70NL compatibility 2 ISO 8208 (X.25 DTE-DTE) 3 X.25 DCE 4 T.30 for group 3 FAX 5-31 reserved (0) SeeAlso: #04074