< communications > (PMBX) The original manual equivalent of a PABX ; a PMBX involves company employed operators manually switching each call using a manual switchboard.
(1998-08-07)
< communications > (PMBX) The original manual equivalent of a PABX ; a PMBX involves company employed operators manually switching each call using a manual switchboard.
(1998-08-07)
FOLDOC computer English dictionary. Английский словарь по компьютерам FOLDOC. 2012