ivisit: Free Push-to-Talk, video Conferencing, SMS texting & GPS Tracking for Windows Mobile, XP and Vista
iVisit is a beta application for Windows XP, Vista and Windows Mobile devices that enables push-to-talk communication across carriers, SMS text messaging, and face-to-face video conferencing with your family, friends, and contacts.

Key features of iVisit include:

+ Call-MSG: The call screen is the portal to video conferencing, push-to-talk, texting, and sharing audio, photo, or video messages.
+ Video: Transmit and receive live video to any iVisit user from your mobile phone or desktop.
+ Audio: Chat with voice using Push-to-Talk. You can also record and share audio messages with contacts.
+ Text Messaging: Send SMS text messages via Internet
+ Photo: Share hi-resolution photos from anywhere
+ GPS: Mobile users can broadcast their GPS location to a remote desktop user to locate, track, and assist.
+ Status: Broadcast your status and alert contacts when you are available. Indicate your presence and see who’s online.

Click here to download iVisit for Windows or Windows Mobile platforms.