�1���� Scope
�2����
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����
Call establishment
������� 7.1���� Two-party call establishment
������� 7.2���� Establishment of a call with three or more parties
�8����
Addition of one or more parties to a call
������� 8.1���� Addition of one party to a call
������� 8.2���� Addition of two or more parties to a call
�9����
Release of a party from an existing call
������� 9.1���� General rules for release of a party
������� 9.2���� Release of a party from an existing two-party call
����������������� 9.2.1���� Release of a party by the call owner �
Clear call option
�������������� ���9.2.2����
Release of a party by the call owner � Retain call option
������� 9.3���� Release of a party from an existing multiparty call
����������������� 9.3.1���� Release of a party from an existing
multiparty call requested by the call owner
�������� ���������9.3.2���� Release
of a party from an existing multiparty call requested by the party owner
10���� Release of a call
������ 10.1���� General rules for releasing a call
������ 10.2���� Release of a call requested by the call owner
���������������� 10.2.1���� Release of a single-party call requested
by the call owner
���������������� 10.2.2���� Release of a multiparty call requested by
the call owner
������ 10.3���� Release of a call requested by a non-call owner
���������������� 10.3.1���� Release of a two-party call requested by
a non-call owner
���������������� 10.3.2���� Release of a multiparty call requested by
a non-call owner
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