CONTENTS

 1     Scope
 2     Normative References
 3     Definitions
 4     Abbreviations
 5     Information flows used in this Supplement
 6     Overview of Bearer Control Level Peer-to-Peer Functional Entity Actions
 7     Addition of one or more new network connections to an existing call
        7.1     Addition of one new network connection to an existing call
        7.2     Addition of two new network connections to an existing call
 8     Attachment of one or more existing parties to one or more existing network connections
        8.1     Attach one existing party to one or more existing connections
                  8.1.1     Attach one existing party to one existing connection
                  8.1.2     Attach one existing party to two existing connections
        8.2     Attach two existing parties to one or existing connections
                  8.2.1     Attach two existing parties to one existing connection
 9     Detachment of one or more parties from one or more connections
        9.1     General Rules for the detachment of a party
        9.2     Detach a party from its associated network connection branch in a two-party call single Connection Call
                  9.2.1     Detachment of a party by the call owner – Clear call option – Party detachment from requesting party
                  9.2.2     Detachment of a party by the call owner – Clear all option – Connection release from addressed party
                  9.2.3     Detachment of a party by the call owner – Retain call option
        9.3     Detach one party from its associated network connection branch in a four-party call
                  9.3.1     Detachment of a party requested by the call owner – Root-party is call owner
                  9.3.2     Detachment of a party requested by the party owner – Root-party is call owner
10     Removal of one or more connections from a call
       10.1     General rules for the removal of a connection from a call
       10.2     Removal of one or more network connections from a two-party call
                 10.2.1     Connection Release request in a two-party connection – Requested by the call owner
                 10.2.2     Connection Release request in a two-party connection – Requested by connection owner
       10.3     Removal of one or more network connections from a three- or more-party call
                 10.3.1     Removal of one network connection requested by call owner
                 10.3.2     Removal of one network connection requested by connection owner
                 10.3.3     Removal of one network connection requested by a party which does not own either the call or the connection