SDX 6.4.x Application Library Guide > Overview of Controlling Volume Usage with the VTA

Overview of Controlling Volume Usage with the VTA

This chapter describes the Volume-Tracking Application (VTA), which allows service providers to track and control subscribers and services based on network usage. This chapter contains the following sections:

• Overview of the VTA
• VTA Architecture and Connections to SDX Components
• How the VTA Works
• VTA Operation
• Identifying Subscribers, SAEs, and Sessions
• Example: Limiting Subscriber Access Based on Account Balances