CONTENTS

 1     Scope
 2     Normative References
 3     Definitions
 4     Abbreviations
 5     Information flows used in this Supplement
 6     Overview of Call Control Level Peer-to-Peer Functional Entity Actions
 7     Coordinated call and network connection establishment
        7.1     Two-party call establishment with one or more network connections
        7.2     Three- or more-party call establishment with one or more network connections
                  7.2.1     Call and network connection establishment – Root node branch – Leaf-party
                  7.2.2     Call and network connection establishment – Two network connections –Leaf-party
        7.3     Multicast address establishment with one or more network connections
                  7.3.1     Call and connection establishment single network connection – Multicast address is used by requesting party – Mandatory Multicast Set-up
                  7.3.2     Call and connection establishment single network connection – Multicast address is used by requesting party – Optional multicast set-up
 8     Addition of one or more new parties to an existing call with attachment to existing or new network connections
        8.1     Addition of one or more new parties with attachment to one or more existing connections
                  8.1.1     Add one new party requested by a party which is the leaf of the network connection – Without network look-ahead
                  8.1.2     Add two new parties requested by a party which is the leaf of the network connection – Without network look-ahead
        8.2     Addition of one or more new parties with attachment to one or more new network connections
                  8.2.1     Add one new party requested by a party which will be a leaf of the new network connection
                  8.2.2     Add two new parties requested by a party which will be a leaf of the new connection
 9     Release one or more parties and their associated network connection branches from the call
10     Call Release with one or more parties and their associated network connections