IEVref:
721-17-68
ID:
Language:
en
Status:
Standard
Term:
engaged signal
Synonym1:
busy signal
[
Preferred
]
Synonym2:
Synonym3:
Symbol:
Definition:
a service signal which indicates that the called station is busy or not available
Publication
date
:
1991-11
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
a service signal which indicates that the called station is busy or not available