AT&T MERLIN LEGEND System Reference Manual page 642

Glossary
voice-only
A station that is set up for making and receiving voice calls but not data calls.
voice Signal pair
A pair of leads on an analog multiline telephone station used for the Voice Announce to Busy feature.
W
WATS (wide area telecommunications service)
A service that allows calls to certain areas for a flat-rate charge based on expected usage.
wink-start tie trunk
A 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.
Z
zero code suppression (ZCS)
A binary coding scheme that ensures a data stream contains at least a minimum number of information bits (1's) for receiver
synchronization.
Glossary GL-15