Torres Networks announced its Policy Engine has been deployed by an Asian MNO for "two data service packages with quota-based and time-based policies. These innovative “limit management” packages will enhance the operator’s control in two ways: checking revenue leakage and generating additional revenue through quota purchase. The deployment was completed in March 2013. The operator now plans to roll out several multi-dimensional data service plans, and migrate the existing subscribers to these plans.
See "Torres Deploys Quota/Time-Based Policies at Asian Mobile Operator" - here.