Social networking:
http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=322326573&mt=8
This is a new free voip application called Whistlephone ( http://www.whistlephone.com ). It is a free SIP phone that can work with any SIP service provider, it supports Banjour and three way calling. If you sign-up for their service, you can make inbound and outbound phone calls to any number. For inbound calls you do not have to have the app running, you can set up your own reach list. For example you can receive the phone call on your iPhone or home phone when the app is not running.
http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=322326573&mt=8
This is a new free voip application called Whistlephone ( http://www.whistlephone.com ). It is a free SIP phone that can work with any SIP service provider, it supports Banjour and three way calling. If you sign-up for their service, you can make inbound and outbound phone calls to any number. For inbound calls you do not have to have the app running, you can set up your own reach list. For example you can receive the phone call on your iPhone or home phone when the app is not running.