VoiceForTwitter is a Voice.com service that enables users to call into a phone number and interact with their twitter account. After a one-time registration, callers can submit audio tweets by simply calling 650-273-4286. Any phone, cell, landline, or a smart device, can be used for the interaction. Posts to twitter will appear in twitter as links to audio that users over the web can click on and listen to.
Note: VoiceForTwitter is NOT affiliated in any way with Twitter.com