US Patent 7698225 License modes in call processing

The present invention is directed to a system, comprising: a license manager 113 operable to identify the occurrence of a predetermined licensing event and a mode setting agent 124 operable to change, in response to the occurrence of the predetermined licensing event (e.g., an absence of a valid license), from a first licensing mode (e.g., a license normal mode) to a second licensing mode (e.g., a license error mode). The second licensing mode is different from the first licensing mode. In each of the first and second licensing modes a common set of features performed by the telecommunication application (e.g., call processing functions) are operational.