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
7.1.1 Call and network connection establishment - Single network connection - Without look-ahead
7.1.2 Call and network connection establishment - Single network connection - With look‑ahead
7.1.3 Call and network connection establishment - Two network connections - Without look-ahead
7.2 Three- or more-party call
establishment with one or more network connections
7.2.1 Call and network connection establishment - Originating node branch - Root-party
7.2.2 Call and network connection establishment - Relay node branch - Root-party
7.2.3 Call and network connection
establishment - Two
network connections - Without look-ahead
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
7.4 Any-cast address procedures
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 root of the network
connection -
Without network look-ahead
8.1.2 Add two new parties requested by a party which is the root 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 the root of the new network connection - Without network look-ahead
8.2.2 Add two new parties requested by a party which will be the root of the
new network connection - Without network look-ahead
9 Release one or more parties and
their associated network connection branches from the call
9.1 General rules for release of a
party
9.2 Release a party and its associated
network connection branches from a two-party call
9.2.1 Release of a party by the call owner - Clear call option - Connection release from
requesting party
9.2.2 Release of a party by the call owner - Clear all option - Connection release from addressed
party
9.2.3 Release of a party by the call owner - Retain call option
9.3 Release one or more parties and
their associated network connection branches from a three- or more-party call
9.3.1 Release of a party requested by the call owner - Root-party is the call owner
9.3.2 Release of a party requested by the party owner - Root-party is the call owner
10 Call release with one or more parties and their associated network
connections
10.1 General rules for releasing a call
10.2 Release of a single-party call and
its associated connections, requested by the call owner
10.3 Release of a two-party call and
its associated connections, requested by the call owner
10.3.1 Release of the call by the call
owner -
Connection release from requesting party
10.3.2 Release of the call by the call owner - Connection release from both
parties
10.4 Release of a multiparty call and
its associated connections, requested by the callowner
10.5 Release of a call requested by a
non-call owner
10.5.1 Release of a two-party call requested by a non-call owner
10.5.2 Release of a multiparty call requested by a non-call owner