HPG
Features

HLP Payment Gateway features:

• HPG server works as self automated to minimize risks
•  Can identify terminal trying to get access to the server
•  Management of terminals and clients
•  Online verification of SSL certificates. OCSP (Online Certificate Status Protocol)
•  Administrators are informed about revoked or expired certificate via email or SMS
•  Updating expired or revoked certificates
•  Communicates with third party applications using Web services (SOA) 

HPG datasheet