C.1. IP: The once and future protocol p.46-- C.2. The concept and ramifications of IP telephony p.91-- C.3. Value -added application: The Internet call center p.142-- C.4. Infrastructure for coice-data convergence p.197-- C.5. Voice -data convergence in the home and on the road p.241-- C.6. Netx - generation networks p.277 C.7. Third- generation wireless networks p.317-- C.8.Convergence via multiservice internetworking p.350-- C.9. Current regulatory environment p.974--