A system and method for routing and interacting with a dual mode network telephony environment are disclosed. In one embodiment, the system includes an external analog telephony line, a DSL modem, an analog telephony bridge controller, one or more additional analog telephony lines, and a communication center computer. The system routes analog and Voice-over-Internet Protocol calls between the analog telephony lines and the communication center computer. Furthermore, the communication center computer performs operations on calls inbound to the environment and calls outbound from the environment.