Disclosed is an integrated handheld computer and telephony system. IP address information related to packet flow for MSs is identified and stored in records at a local mobility anchor point. Caulking portions provided at upper and lower ends of the connecting chamber receive and hold the piston pin, thus engaging the piston, piston pin, connecting rod, and crankshaft. Such a display also improves vehicle safety by making instruments easier to read and reducing the operational burden on the vehicle driver. The trim component may include vehicle accessories such as a map light, or a handle. No dedicated \u2018training sequence\u2019 communication with the transmitter is required, so that the coefficient update mechanism does not impact the operation or bandwidth availability of the channel.