The ITU-T standard, approved by ISO, specifying procedures for the exchange of control information and user data between a PAD and a remote packet-mode DTE. Character-mode DTEs are often referred to as X.29 terminals.
(1995-01-31)
Try this search on Wikipedia, OneLook, Google
Nearby terms: X.229 « X.25 « X.28 « X.29 » X.3 » X3J16 » X3T10
