A convenient and efficient communication network within a building. Calls directed to a mobile device are routed to a communication interface device through a wireless communication network where the communication interface device is connected to the in-building communication network. The communication interface device provides data and analog facsimile in addition to voice services through the in-building communication network. A communication controller connected within the wireless communication network is configured to direct calls placed to a particular mobile device to a particular communication interface device based on triggering events.