CONTENTS

 1     Scope
 2     Procedures
        2.1     C&I codes provided in Recommendation H.221
        2.2     Other C&I codes
                  2.2.1     SBE method
                  2.2.2     Double and triple SBE symbols
                  2.2.3     MBE method
 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     SBE numbers and characters
        3.5     SBE and MBE symbols used in multipoint working (see Recommendation H.243)
        3.6     SBE symbols used in channel aggregation and restricted network situations
        3.7     Symbols used in the transfer of network addresses (Recommendation H.242)
        3.8     Symbols used in the indication of mode preferences (Recommendation H.242)
        3.9     Symbols for other purposes
 4     Requirements for C&I