视听用户终端技术要求 视听用户终端业务中64～1920kbit/s信道的帧结构
Performance requirements of audiovisual terminals--Frame structure for a 64 to 1920kbit/s channel in audiovisual teleservices
1995-12-13
ITU-T H.221
Frame structure for a 64 to 1920 kbit/s channel in audiovisual teleservices
视听电信业务中64到1920 kbit/s信道的帧结构
2004-03-15
DIN ETS 300144
Integrated Services Digital Network (ISDN) - Audiovisual services - Frame structure for a 64 kbit/s to 1920 kbit/s channel and associated syntax for inband signalling; English version ETS 300144:1996
综合业务数字网（ISDN）.视听业务.64kbit/s至1920kbit/s信道的帧结构和带内信令的相关语法；英文版ETS 300144:1996