Activision and Comcast are teaming up for Xfinity Internet customers to access the Call of Duty: WWII private multiplayer beta starting on August 25 when it opens on PS4. The Xbox One beta follows on September 1. Comcast customers have to visit xfinity.com/callofduty between now and August 31 and enter their Comcast account number. They'll get an access code with further instructions. The beta ends on August 28 for PS4 and then goes from September 1 through September 4 for both PS4 and Xbox One.