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