Is there any software that can be used on a pocket pc with wifi to give voip calls other than skype?, I'm thinking along the lines of voipstunt and similar services. Maybe theres some generic software that will take any providers settings and work?.

Thanks

Oddly enough I found this -

http://pocketpccentral.net/software/voip.htm

by typing in 'voip pocket pc' on Google...

Try SJphone: http://www.sjlabs.com/

Go for the beta version if your Pocket PC runs Windows Mobile 5.