B.9 Resource Sharing

B.3 Support for SIP forking

B.4 Notification of AF Signalling Transmission Path Status

B.2 Enabling of IP Flows

B.5 Indication of Emergency Registration and Session Establishment

A.2 Npcf_PolicyAuthorization API

B.1 Provision of Service Information at P-CSCF

5 Npcf_PolicyAuthorization Service API

A.1 General

4.2.6 Npcf_PolicyAuthorization_Subscribe service operation