As the telecommunication world moves more and more towards convergence of services e.g. voice, IPTV, VoD, IM, Presence, Push to Talk(PTT and PoC), gaming and data, IP Multimedia Subsystem has emerged as the standard framework for delivering such services.

With such a diverse billing scenario, IMS requires a highly efficient Online Charging System that can meet the challenges of next generation converged telecommunication technologies.

AdvOSS offers IMS Online Charging system based on 3GPP specifications for providing real time credit control and charging for converged communication services. IMS Online Charging supports:

• IMS online charging Interface i.e. Ro Interface (3GPP TS 32.240, 3GPP TS 32.296)
• Credit Control Request and Credit Control Answer (RFC 4006)
• Account Balance Management Function (Proprietary Rc Interface)
• External Rating Function ( Re Interface Supported)
• Charging Transaction Model Session Charging with Unit Reservation
• Extensibility Support for Event Charging with Unit Reservation, Direct Debiting
• Interface with Mediation engine

AdvOSS IMS Online charging can seamlessly replace or work side by side with existing billing systems, Intelligent Network or Business Support System.

Online Charging Function Module

• Session charging with unit reservation
• Event charging with unit reservation
• Support for tariff switch time
• Support for class A charging
• Support for class B charging

Rating Function Module

The purpose of the Rating Function module is to perform both monetary and non-monetary unit determination, and this functionality is defined as rating. It provides the following functionalities:

• Rating for network- and external services and applications (session, service, event) before and after service delivery;
• Cross-product and cross-channel discounts, benefits and allowances.

This module performs following three types of rating:

• Volume based
• Time based
• Event based

Account Balance Management Function Module

The Account Balance Management Function (ABMF) module is the location of the subscriber’s account balance within the OCS.  ABMF module provides service for the Online Charging Function Module.

The ABMF module provides mechanisms so that the Online Charging Function Module can query and update the subscribers' account and counters status as per requirement and functionality demanded by the Online Charging Function Module. Account balance management Function (ABMF) Features are:

• Check account balance
• Account balance update (credit/debit)
• Account balance reservation
• Get/set counters
• Get/set expiry date of the (prepaid) account (optional)      

DB Module

• Receives event requests and runs appropriate action (calls stored procedure or runs appropriate query)
• Capable of running externally parameterized stored procedures and queries

OS

• Linux
• Unix
• Microsoft Windows
  
  

Each solution can be tweaked for individual customers. For details contact us.