Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 457

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
V
VAC
VDC
VMI
voice-band channel
voice mail
voice messaging
interface
W
WATS
wink-start tie trunk
Alternating-current voltage.
Direct-current voltage.
(voice messaging interface) An enhanced tip/ring
port.
A transmission channel, generally in the
300–3400-Hz frequency band.
Application that allows users to send messages to
other extensions in the system, forward messages
received with comments, and reply to messages.
See VMI.
(Wide Area Telecommunications Service) Service
that allows calls to certain areas for a flat-rate charge
based on expected usage.
Tie trunk on which the originating end transmits an
off-hook signal and waits for the remote end to send
back a signal (a wink) that it is ready for
transmission.
Issue 1
June 1997
Page GL-39