KS X 4303-2022 Information technology-Telecommunications and information exchange between systems-Synchronization methods and technical requirements for private integrated services networks
2022KS X 4303-2022 Information technology-Telecommunications and information exchange between systems-Synchronization methods and technical requirements for private integrated services networks
0000 KS X 4303-2007(2017)
2007KS X 4303-2007 Information technology-Telecommunications and information exchange between systems-Synchronization methods and technical requirements for private integrated services networks