Definitions for "CT2"
Second generation cordless telephony; Using digital technology CT2 phones offered greater range, improved security and a wide range of new functionalities. Used in both domestic and cordless PABX deployments, CT2 was standardised as an interim ETS but was overwhelmed by DECT CT2-CAI
Cordless Telephone, 2nd Generation (digital)
Cordless Telecommunications 2. Digital standard for cordless phones which can be compared with DECT, however DECT offers more features.