ITU-T H.460.14-2004
H.323多级优先和MLPP支持-H系列:多媒体基础设施和视听服务系统-多媒体补充服务 研究组16
Support for multilevel precedence and preemption (MLPP) within H.323 systems SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services Supplementary services for multimedia Study Group 16