Rating module is intended for registration of the adjustments necessary for calculation of telecom services cost, and management of these adjustments.

Tariff selection procedure

Tariff of service depends on:

• service type;
• time of day;
• day of week;
• day type (holiday, day-off, etc.);
• set of QoS (Quality of Service, depending on service type);
• tariff zone, which depends on service-based parameter set;
• geographical location of subscriber (roaming).

Tariff zone for fixed, mobile or VoIP telephony depends on:

• modified A-number for incoming calls;
• modified B-number for outgoing calls;
• call type;
• switch service flags.

Tariff zone for data transfer service depends on:

• Source IP-address;
• Source port;
• Destination IP-address;
• Destination port;
• Protocol type;
• APN (Access Point Name)

Value-added services rating is supported:

• GPRS/WAP (data transfer service for GSM/3G);
• SMS (Short Messaging Service);
• MMS (Multimedia Messaging Service);
• LCS (Location-Based Services);
• Push-To-Talk (Voice&SMS confernce messaging);
• MBMS (Multimedia Brodcasting Messaging Service);
• Content;
• Any type of RADIUS/DIAMETER-rated services.

Service volumes.

The system calculates price of service based on following amounts:

• Session/call duration;
• Downloading data volume;
• Uploading data volume;
• Total data volume;
• Service-depending amount (messages number, packets number, files number etc.);

Service amount may be rounded (e.g. call duration may be converted from seconds to minutes).

Local modifiers.

Local modifier setup tariff dependence on service amount for current session. Examples:

• First 3 secounds by call are free of charge;
• First minute of call costs $0.05, next minutes costs $0.04 per munite.;
• First 1Кб of data during session is free of charge.

Global modifiers.

Global modifier setup some bonus depending on total service volume per day or per month. Examples:

• Bundles: first 100 minutes per month are free of charge (be charged as subscription fee), over limit tariff is $0.05/min.;
• First 10 SMS per day are free of charge;
• Telescope tariff plan: first 500 MB per month costs 0.10$/mb, next 500 МB costs 0.08$/mb, etc.;

Personal discounts.

The feature allows to set special tariff depends on set of parameters linked to subscriber. Examples:

• Preferred Numbers (discount for calls on numbers set by subscriber);
• Group modifier (discount depending on corporate client subscribers number);
• Group Tariff (discount for calls between corporate client subscribers);

One-time and periodic services.

The system allows to link some logical services to subscribers. Services may be charged one-time, daily, monthly etc. Logical services may be connected to switch services or RADIUS / DIAMETER attributes.