Hopefully he's not just thinking out loud: Erik Lagerway, the president of VoIP company Xten, has been musing on his
blog about how he thinks his company should be able to hack together a VoIP softphone for Sony's
Portable. Should be totally doable, too, since the PSP has built-in WiFi, a TCP stack, and a
"Headphone/Microphone/Control connector". The PSP is playing catch up here—last week at E3
Nintendo showed off a new VoIP app for the DS called
that'll let you voice chat with other DS users.