Systems, methods, and machine-readable media are disclosed for providing session control and media exchange control that can include and combine, for example, call control and voice access concepts such as dialog (voice dialog, prompts and DTMF) or web/GUI elements. In one embodiment, a method of controlling a media session can comprise establishing a call via a signaling protocol, maintaining control of the call, and passing control of aspects of the call other than call control to a separate media processing module. The media processing module can comprise, for example, a dialog manager. In some implementations a voice access enabler providing a an abstract interface for accessing functions of the dialog controller.