Information technology - International Standardized Profiles FVT2nn - Virtual Terminal Basic Class - Register of control object type definitions - Part 12: FVT2116 - Generalized Telnet Synch control Object; FVT 2117 - Generalized Telnet Signal Control Object; FVT2118 - Generalized Telnet Negotiation Control Object; FVT2119 - Generalized Telnet Subnegotiation Control Object ISO/IEC ISP 11185-12