K.1 VoIP CC Protocol Data Unit

33.1083G Security3GPPHandover interface for Lawful Interception (LI)Release 17TS

The VoIP CC Protocol Data Unit (VoIP-CC-PDU) is delivered to the LEMF using UDP or TCP as the transport protocol. The use of UDP or TCP is done according to the national regulations.

The VoIP-CC-PDU consists of the following two:

– VoIP LI Correlation header (VoipLIC-header);

– Payload.

The general principles of VoIP-CC-PDU delivery are described in clause 12.6.