User`s manual

U.S. Robotics I-modem Command Reference
Glossary • Page G-5
Auto Answer
A feature in modems enabling them to answer incoming calls over the phone lines without
the use of a telephone receiver.
auto dial
A feature in modems enabling them to dial phone numbers over the phone system without
the use of a telephone transmitter.
Automatic Repeat Request (ARQ)
A general term for error-control protocols that feature error detection and automatic
retrans-mission of defective blocks of data. See HST
, MNP, and V.42.
B
Basic Rate Interface (BRI)
A unit of ISDN service that provides up to two 64-Kbps B-channels and one 16-Kbps
D-
channel over an ordinary telephone line.