>iPhone
>iwebcamera
>http://www.redmondpie.com/your-iphone-as-webcam-with-iwebcamera-9140802/
>
>iPhone,BlackBerry, Windows Mobile, Pocket PC, Windows Mobile Smartphones, Symbian S60, Symbian UIQ 3
>Mobiola WebCamera
>http://www.warelex.com/
>
>..and naturally I haven't found one for windows phone 7 - however I haven't really looked & I would assume there is something like that in the marketplace.


Unfortunately these apps simulate connected webcams which requires constant wifi streaming of the video feed. The android app IP Webcam is a whole other beast since it essentially contains a built in web server.