LONDON, Aug 19, 2008 (BUSINESS WIRE) — ‘Push-to-talk’ — the voice equivalent of text messaging (SMS) — has come to the iPhone(TM) for the first time.
Promised as ’soon’ when it launched its service for the iPhone on July 29, Palringo has added the vocal instant messaging functionality to its rich messaging application available from Apple’s [...]

After much effort, we now have an alpha version of the Mac OS now available to download
http://updates.palringo.com/osx/download.php?build=alpha
It’s still an alpha version which means it might still have a few bugs–so if you find something that doesn’t work or something that you don’t like please tell us at support@palringo.com