This document discusses delivering fixed mobile convergence using IP Multimedia Subsystem. It explains why FMC and IMS are important, and how to start implementing them by breaking the vicious cycle. It outlines new applications like personal and terminal mobility. Research challenges are identified around maintaining quality of service during handovers between networks. The document proposes establishing a testbed to develop applications and demonstrate IMS capabilities to operators and manufacturers. Milestones for 2008 include setting up an IMS testbed and identifying requirements.