(n) (comp) B-ISDN
Broadband Integrated Services Digital Network
(n) (comp) redirection disallowed originator
(n) (comp) Advanced Program-to-Program Communication
APPC
(n) (comp) front-end communications processor
(n) (comp) redirection disallowed originator
(n) (comp) (obsc) interpersonal messaging service
(n) (comp) CAT
Credit Authorization Terminal
(n) (comp) designation of recipient by directory name
MTPR
(n) (comp) public message handling service
(n) (comp) receiving transport entity
(n) (comp) sending transport entity
(n) (comp) International Telecommunications Union - Telecommunication Standardization Sector (formerly CCITT)
ITU-TS