Paradyne COMSPHERE 3821PLUS User Manual page 168

COMSPHERE 3821Plus Modem
V.42bis
V.54
VF
XOFF
XON
Glossary-8
ITU-T standard for data compression.
ITU-T standard for local and remote diagnostic loopback tests.
Voice Frequency. The part of the audio frequency range used to transmit voice sound
(usually 300 Hz to 3400 Hz). This band is used by the modem for its modulated signal.
A character that tells the DTE or modem to stop transmitting data.
A character that tells the DTE or modem to start or resume transmitting data.
January 1999 3821-A2-GB20-40