Trigger-Establishment-Request  Message ( 8388656 )

The TER command is sent by the H-PCRF to the V-PCRF in order to trigger the S9 Session Establishment. It is also sent by the H-PCRF to the V-DRA in order to remove the DRA binding information created during the S9 Session Establishment Trigger procedure.

Reference: 3GPP TS 29.215-f10  View