BS ISO/IEC 15899:1999 Information technology. Telecommunications and information exchange between systems. Broadband private integrated services network. Service description. Broadband connection oriented bearer services
1999BS ISO/IEC 15899:1999 Information technology. Telecommunications and information exchange between systems. Broadband private integrated services network. Service description. Broadband connection oriented bearer services
1999BS ISO/IEC 15899:1998 Information technology - Telecommunications and information exchange between systems - Broadband private integrated services network - Service description - Broadband connection oriented bearer services