Windows Phone 7 telephony demonstrated have published another video of a developer Windows Phone 7 handset in action, this time demonstrating the telephony aspect.

Unfortunately still in German (so it would be handy if our German-speaking readers could help us out), the video nevertheless shows the ease of multi-tasking during a phone call and the integration of contacts and telephony. is doing a Windows Phone 7 video per day, so to keep fully abreast follow them on their YouTube channel here.