CONTENTS

 1     Scope
 2     References
 3     Terms and definitions
 4     Abbreviations and acronyms
 5     Call priority definition
 6     Messages and signalling
 7     Call priority procedures
        7.1     Call priority request during registration
        7.2     Call priority request during admission request
                  7.2.1     Request by endpoint
                  7.2.2     Request by gatekeeper
        7.3     Call priority request during call setup
                  7.3.1     Request by calling endpoint
                  7.3.2     Request by called endpoint
        7.4     Call priority request during location discovery
                  7.4.1     Request forwarded by calling endpoint's Gatekeeper
                  7.4.2     Request generated by called endpoint's Gatekeeper
        7.5     Call priority indication during access request
                  7.5.1     Request forwarded by calling endpoint's gatekeeper/border element
                  7.5.2     Request generated by responding Border Element
 8     H.225.0 generic data usage
        8.1     Call Priority Designation feature table
        8.2     Call Priority Designation parameter tables
Annex A – Call Priority ASN.1 definitions for use inside Generic Data
        A.1     Call Priority ASN.1 definition
        A.2     Description of New ASN.1 types and fields