NEC NEAX 2400 ICS Features Manual page 355

term
Message Reminder - D M-19D
Interactions
If CALL WAITING-ORIGINATING [C-31] automatic operation is in service, it will supersede MESSAGE
term term
REMINDER-D . If a third station calls and receives busy tone, MESSAGE REMINDER-D can be
set.
NEAX2400 ICS Business Features and Specifications
Page 325
NDA-24143, Issue 4