TANDBERG's 3G Gateway lets users simply dial a number on their 3G mobile phone to place a video call to any IP- or ISDN-based video system, allowing them to connect face-to-face. The 3G Gateway is available in two versions with capacities of up to 8 or 30 simultaneous 3G-to-IP calls. It also embeds interactive voice and video response, and is Expressway enabled to ensure secure firewall traversal.