VoIP for cell phone or PDA?

[Dissipate]

Are there any PDAs or cellphones that are wi-fi enabled and offer voice over IP? I found wi-fi enabled PDAs but none said that they offered VoIP specifically.

 

[BlamoHammer]

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[Dissipate]

Originally posted by: BlamoHammer
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Have any idea if you can you run a popular VoIP app like Skype on that thing?