The dynamic is unmistakable: fixed lines for phones have been declining at a three-percent rate for the last several years, while the number of Americans opting for cell phone calling keeps increasing. If you are a fixed line provider this trend means trouble. Many of the fixed mobile convergence strategies under consideration end up utilizing a smart phone or dual-mode VoWLAN/Cellular phone that works like a landline phone in the local area and then converts to cell phone calling.