How to get and use a free U.S. phone number? (Wie erhält man gratis eine U.S. Amerikanische Telefonnummer)?

How to get and use a free U.S. phone number 

1. Get a free e-mail address: e.g. www.gmx.com
2. Use your e-mail on https://www.callcentric.com/login/ to get a new account / phone number
3. Use your ISP data from callcentric on http://phone.ipkall.com/. Apply for a new account and specify Host Adress: callcentric.com
4. Download "Express Talk" (no adware edition) from http://www.chip.de/downloads/c1_downloads_auswahl_33987868.html?t=1437482303&v=3600&s=c56c30d46ba4c758190cd19be493f89f
5. Install the talksetup_432.exe, set-up (use information from callcentric.com: server sip = "callcentric.com" and SIP number = number from callcentric.com) and use the Express Talk to make and get new phone calls with your new number:
6. Important: 
1. use the new number from ipkall.com and NOT the number from callcentric.com!
2. Use the new phone number at least every 30 days - otherwise it will be closed!