Ch. 1. Basic telephony -- Ch. 2. Local networks -- Ch. 3. Switching in an analog environment -- Ch. 4. Signaling for analog telephone networks -- Ch. 5. Introduction to transmission for telephony -- Ch. 6. Long-distance networks -- Ch. 7. The design of long-distance links -- Ch. 8. Digital transmission systems -- Ch. 9. Digital switching and networks -- Ch. 10. Introduction to data communications -- Ch. 11. Data networks and their operation -- Ch. 12. Voice-over IP -- Ch. 13. Local area networks -- Ch. 14. Integrated services digital networks -- Ch. 15. Speeding things up with frame relay -- Ch. 16. The asynchronous transfer mode (ATM) and broadband ISDN -- Ch. 17. CCITT signaling system no. 7 -- Ch. 18. Wireless and cellular/mobile radio -- Ch. 19. Last-mile broadband connectivity and wireless local loop (WLL) -- Ch. 20. Optical networking -- Ch. 21. Network management.