A network-based call interface device is used for real-time packet protocol calls, such as, but not limited to, interfacing real-time calls between client devices and call servicesdestination devices. One strap retainer is affixed on each side of the helmet at a height above the goggle strap when the goggles are over the eyes of the wearer. In this semiconductor chip, the number of IO buffers in the side of the longer sides is larger than that in the side of the shorter sides of the semiconductor chip. The code stream is an activity history that is constructed based on analysis of user navigation behavior, such as specific edits to the code or dwelling in a section of the code.