Rec. ITU-T H.230 (03/1993) – FRAME-SYNCHRONOUS CONTROL AND INDICATION SIGNALS FOR AUDIOVISUAL SYSTEMS
FOREWORD
CONTENTS
1 Introduction
2 Procedures
2.1 C&I codes provided in Recommendation H.221
2.2 Other C&I codes
3 Definitions of C&I symbols
3.1 C&I related to video
3.2 C&I related to audio
3.3 C&I for maintenance purposes
3.4 C&I related to simple multipoint conferences not using MLP
4 Requirements for C&I