Devices and methods for placing a call from a mobile device on one of a plurality of communication lines accessible at the mobile device are disclosed herein. After the initiation of a call at the mobile device is detected, an audio prompt is output to the user requesting a line selection. In at least one embodiment, the audio prompt is a voice prompt. After receiving user input identifying the line selection, a selected communication line is identified and the call is placed on the selected communication line. In at least one embodiment, the user input received is voice input.