Section 40: Glossary
T
ieline
T E C H N O L O G Y
Page 350
U – Interface
When using ISDN in the U.S.A., a phone company will
provide its BRI (Basic Rate Interface) customers with a U
interface. It is a two-wire interface from the phone switch
that supports full-duplex data transfer. Only a single
device can be connected to this interface. (Common in
the U.S.A.)
WAP
Wireless Application Protocol (WAP) is the leading
standard for information services on wireless terminals
such as digital mobile phones (see also CSD and
HSCSD).
