BS ISO/IEC 22535. Information technology. Telecommunications and information exchange between systems. Corporate telecommunication networks. Tunnelling of QSIG over SIP
Apparatus for connection to private circuits run by certain public telecommunication operators-Specification for apparatus for connection to speechband circuits
Draft standard to match to and work with ETS 300 001/NET4 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators"-Specification for general requirements
Draft standard to match to and work with ETS 300 001/NET4 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators"-Specification for apparatus with call barring facilities