NEC Electra Elite 48/192 Features And Specifications Manual page 515

Issue 6
S - 10
General:
For outgoing calls, the Name/Number assigned is displayed when an
¥
outside line is seized until a digit is dialed or the line is dropped.
For incoming or transferred calls, and calls removed from hold, the
¥
Name/Number is displayed briefly (five seconds) after the line is
accessed. The Elapsed Call Time begins immediately after the trunk
Name/Number is displayed.
Seized Trunk Name/Number Display
Electra Elite