Skype claims to have overhauled their VoIP client for Windows Mobile with their 2.5 beta release. Improvements include: better sound quality, better stability and friendlier interface. Hit the link to give it a whirl. [Skype]
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ugh, why oh why wont skype do an iphone release. very annoying, there are other service based skype apps in the appstore like fring and nimbuzz.
very very annoying.
they also havnt updated their mac client in quite some time