Dhaval Vora (pictured), AVP Presales and Product Management, EliteCore, updated me that on their PCRF product, NetVertex, interoperability with DPI:
"We have two live deployments where NetVertex is integrated with CISCO SCE 8000 DPI. One deployment is in Indonesia and another one is in Kuwait. Integration is done over Gx & Gy interface with CISCO SCE 8000".
The PCRF-DPI matrix has been updated accordingly.