Abstract: A system and method for permitting an operator of a terminal device to switch from a first network to a second network without requiring a rebooting or resetting of the communication protocol system is disclosed. More specifically, filters present at the customer premise equipment (CPE) are configured to as to permit or block access to the respect first and second networks in response to configuration and setting information provided from a dynamic user control system and apparatus (DUCS). As a result, IP traffic is blocked or permitted in accordance with information from DUCS, so as to permit seamless switching between networks under conditions as warranted by a network operator.