Bitfields for CAPI v2.0 B1 protocol support: Bit(s) Description ) 0 64k bps with HDLC framing (required, always set) 1 64k bps bit-transparent operation with network byte framing 2 V.110 asynchronous with start/stop byte framing 3 V.110 synchronous with HDLC framing 4 T.30 modem for group 3 FAX 5 64k bps inverted with HDLC framing 6 56k bps bit-transparent operation with network byte framing 7-31 reserved (0) SeeAlso: #04074