IMSZone
Diameter Stack
Diameter Stack is an implementation of "Diameter Base Protocol" IETF RFC 3588. Diameter Base Protcoal Stack supports Message Parsing, Message Validation, TCP Transport, Failover & Failback, Message Routing to registered Applications, Diameter Sessions Management

For more details Please visit Diameter Stack Project...
Home Subscriber Server
Home Subsciber Server is 3GPP defined Centralized subscriber management Server and a database. It supports two 3GPP based diameter interfaces called Cx/Dx interface and Sh Interface,

For more details Please visit Home Subscriber Server Project...
Online Charging System
Online Charging System is used for charging the user for the services in real time . Online Charging Server is a Diameter based server that implements IETF Diameter Credit Control Application [RFC 4006] tailored to 3GPP needs.

For more details Please visit Online Charging System Project...
Media Server
Media Server is an impelmentation of 3GPP defined Media Functons MRFC & MRFP. Media server supports SIP and MSCML based interface with Application Server(s) and RTP based interface with Endpoints.

For more details Please visit Media Server Project...
Offline Charging System

Diameter Offline Charging Server is used for charging the services in non-real time fashion. Diameter Offline charging Server implements Diameter Accounting Application [RFC 3588].

  • IMS Offline charging Interface i.e. Rf Interface (3GPP TS 32.240, 3GPP TS 32.296, 3GPP 32.299)
  • Accounting Request (ACR) and Accounting Answer(ACA) [ RFC 3588]
  • Support for Start, Interim and Stop Charging Events/Records
  • CDR logging into Database and ASN1 BER encoded files
  • Correlation Function for correlation of multiple Charging Records
  • Charging Gateway Function for communication with external Billing System
For more details Please visit Offline Charging System Project...
OAM&P/EMS System
OAM&P System is implementaion of 3GPP specification for Operations , Administration , Maintainence and Provisioning, OAM&P is not full implementation of the said standard.the current release only implements the Element Management Funcationality.

For more details Please visit OAM&P Project...