The Aricent Diameter Stack caters to the following customer segments:

• OEMs building IMS network elements
• The Home Subscriber Server (HSS)
• The Call State Control Function (CSCF)
• The Application Server (AS)
• The Media Gateway Controller Function (MGCF)
• The Media Resource Function Controller (MRFC)
• Vendors building Charging Gateways
• Existing Radius users looking at enhanced Authentication, Authorization and Accounting (AAA) applications