1. Policy and Charging Application User Guide
  2. Online Charging DRA Overview
  3. Gy/Ro Diameter Answer Message Processing
  4. In-Session Answer Message Processing

4.4.2 In-Session Answer Message Processing

CCA-U

Credit-Control-Answer (CCA) messages with CC-Request-Type AVP set to UPDATE_REQUEST (2) received from online charging servers (OCSs) are routed to the online charging client (CTF) that initiated the Diameter transaction.

If a CCA-U message with Result-Code AVP set to DIAMETER_UNKNOWN_SESSION_ID (5002) is received and session state is maintained based on session state configuration and message content, OC-DRA will remove the session state associated with the received Session-Id by sending a findAndRemoveOcSession stack event to the Session SBR.

CCA-T

Credit-Control-Answer (CCA) messages with CC-Request-Type AVP set to TERMINATION_REQUEST (3) received from online charging servers (OCSs) are routed to the online charging client (CTF) that initiated the Diameter transaction.

RAA

Re-Auth-Answer (RAA) messages received from online charging clients (CTFs) are routed to the online charging server (OCS) that initiated the Diameter transaction.

If a RAA message with Result-Code AVP set to DIAMETER_UNKNOWN_SESSION_ID (5002) is received and session state is maintained based on session state configuration and message content, OC-DRA will remove the session state associated with the received Session-Id by sending a findAndRemoveOcSession stack event to the Session SBR.