L.3 Definition of Payload

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

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

Within the Conf-CC-PDU, the Payload (payload as seen in ASN.1) follows the ConfLIC header and contains the user-plane packets of a conference call and the source of the packets is determined as per the TPDU direction.

The payload information for the intercepted conference contains the packets that includes the IP layer and above (e.g. IP/UDP/RTP).