• _{define echo cancellation}
• _V.32bis
• _{standard for sending 7 bits per baud}
• _{128 bits per baud (14.4 bps)}
• _{fast retrain}
• _{quickly switch transmission rates}
• _V.Fast
• _{combination of 24,000 bps and compression}
• _{28.8 bps}
• _{optimal rates of 100,000 bps}
• _{V.42bis/MNP Class 5 compression}
• _{capable of 4:1 compression ratios}
• _{how does data compression work?}
• _{codes and dynamic tables}