27. A portable electronic device configured to process voice commands, comprising: one or more input devices; one or more processors; memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for: in response to user input, recording a voice command on the portable electronic device; processing at least a portion of the voice command using a speech recognition engine to determine at least a portion of contextual information that is relevant to the voice command; storing the portion of the contextual information that is relevant to the voice command; transmitting the recorded voice command and the portion of the contextual information that is relevant to the voice command from the portable electronic device to remote computing equipment; receiving, from the remote computing equipment, results associated with the recorded voice command and the stored portion of the contextual information; and presenting the results.
27. A portable electronic device configured to process voice commands, comprising: one or more input devices; one or more processors; memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for: in response to user input, recording a voice command on the portable electronic device; processing at least a portion of the voice command using a speech recognition engine to determine at least a portion of contextual information that is relevant to the voice command; storing the portion of the contextual information that is relevant to the voice command; transmitting the recorded voice command and the portion of the contextual information that is relevant to the voice command from the portable electronic device to remote computing equipment; receiving, from the remote computing equipment, results associated with the recorded voice command and the stored portion of the contextual information; and presenting the results. 68. The portable electronic device of claim 27 , wherein the portion of the contextual information is contact information associated with a party to a previous telephone call.