20. A method as recited in claim 19 , further comprising: determining whether media playback is active; outputting a ringtone if a voice call is incoming and media playback is not active; outputting the ringtone mixed with media output of the media playback if a voice call is incoming and media playback is active; receiving a second voice command; determining whether the second voice command corresponds to a request to answer the call; in response to a determination that the second voice command corresponds to a request to answer the call, answering the call; and pausing or stopping the media playback if media playback is still active when the call is answered.
23. A method as recited in claim 20 , wherein after answering the call and before the call has ended, said method further comprises: activating a microphone; determining whether a third voice command is received while the call is ongoing; and performing the third voice command that is received while the call is ongoing.