Codename Jibbler. iPhone Voice Control and Feedback
According to sources that contacted Ars
iPhone firmware 3.0 will have voice control and feedback in addition to the tons of other new features
previously reported. Codenamed "Jibbler" the iPhone voice system will include both voice recognition to allow you to control the iPhone by speaking and voice synthesis similar to the latest iPod Shuffle which can "read" track titles etc to you.
"Jibbler" will probably be an enhancement to the iPhone's spingboard somehow -- the details aren't clear. It also reportedly supports spotlight. Support for the Jibbler report are references to classes in the iPhone firmware including VSSpeechSynthesizer, VSRecognitionSession, SBVoiceControlDisableHandlerActions, SBSensitiveJibblerEnabled, and SBVoiceControlSoundCompletion with VS probably standing for Voice Services and SB standing for SpringBoard.
[via ars - image via giz] thank JazJon for the tip