One to five asterisks in front of the some of the books represent our subjective view of their goodness. The titles without asterisks have not been rated. The books are arranged in the reverse order of year of publication.

Voice over Data Networks:

• [*****] Gonzalo Camarillo, Jonathan Rosenberg, " SIP Demystified," McGraw-Hill, August 2001, 320 pages.
• [*****] Oliver C. Ibe, " Converged Network Architectures: Delivering Voice and Data Over IP, ATM, and Frame Relay," Wiley, November 2001, 416 pages.
• [*****] John Alexander, et al, " Cisco CallManager Fundamentals: A Cisco AVVID Solution," Cisco Press, July 2001, 720 pages.
• [*****] Vineet Kumar, Markku Korpi, Senthil Sengodan, " IP Telephony with H.323: Architectures for Unified Networks and Integrated Services," Wiley, March 2001, 605 pages.
• [*****] Scott Keagy, " Integrating Voice and Data Networks," Cisco Press, October 2000, 779 pages.
• [*****] Daniel Collins, " Carrier Grade Voice Over IP," McGraw-Hill, September 2000, 496 pages.
• [*****] John C. Bellamy, " Digital Telephony," Wiley, March 2000, 643 pages.
• [*****] Chris Lewis, " Cisco Switched Internetworks: VLANs, ATM & Voice/Data Integration," McGraw-Hill, June 1999, 500 pages.
• [*****] James Farmer, David Large, Walter S. Ciciora, " Modern Cable Television Technology: Video, Voice, & Data Communications," Morgan Kaufmann Publishers, January 1999, 873 pages.
• [****] Regis J. 'Bud' Bates, Donald W. Gregory, " Voice and Data Communications Handbook," McGraw-Hill, August 2001, 1032 pages.
• [****] Steve McQuerry, Kelly McGrew, Stephen Foy, " Cisco Voice Over Frame Relay, ATM and IP," Cisco Press, April 2001, 517 pages.
• [****] Bob Edgar, " The VoiceXML Handbook: Understanding and Building the Phone-Enabled Web," CMP Books, April 2001, 481 pages.
• [****] Alan B. Johnston, " SIP: Understanding the Session Initiation Protocol," Artech House, January 2001, 228 pages.
• [****] Richard Grigonis, " Computer Telephony Encyclopedia," CMP Books, August 2000, 563 pages.
• [****] Jonathan Davidson, et al, " Voice over IP Fundamentals," Cisco Press, March 2000, 373 pages.
• [****] Bill Douskalis, " IP Telephony - The Integration of Robust VoIP Services," Prentice Hall, December 1999, 331 pages.
• [****] Olivier Hersent, David Gurle, Jean-Pierre Petit, " IP Telephony: Packet-Based Multimedia Communications Systems," Addison-Wesley, December 1999, 456 pages.
• [****] Syngress Media, et al, " Configuring Cisco Voice over IP," Syngress Media Inc, November 1999, 512 pages.
• [****] Robert Caputo, " Cisco Packetized Voice & Data Integration," McGraw-Hill, September 1999, 352 pages.
• [****] Chris Sells, " Windows Telephony Programming," Addison-Wesley, August 1998, 352 pages.
• [****] Regis J. Bates, Donald Gregory, J. Regis 'Bud' Bates, " Voice and Data Communications Handbook: Signature Edition," McGraw-Hill, December 1997.

• Uyless D. Black, " Voice Over IP (2nd Edition)," Prentice Hall, January 2002, 400 pages.

2001:

• Bill Douskalis, " Putting VoIP to Work: Softswitch Network Design and Testing," Prentice Hall, September 2001, 346 pages.
• D. R. Evans, Maria Stachelek, Glenn Russell, " Digital Telephony Over Cable: The PacketCable Network," Addison-Wesley, May 2001, 571 pages.
• David J. Wright, " Voice Over Packet Networks," Wiley, March 2001, 270 pages.
• Lee W. McKnight, William Lehr, David D. Clark, " Internet Telephony," MIT Press, March 2001, 390 pages.
• Lajos Hanzo, Jason Woodward, Clare Sommerville, " Voice Compression and Communications," IEEE, March 2001, 770 pages.
• Wayne Lawson, " Configuring Cisco AVVID : Architecture for Voice, Video, and Integrated Data," Syngress Media Inc, January 2001, 608 pages.
• Peter Loshin,  " Big Book of IP Telephony RFCs," Morgan Kaufmann Publishers, January 2001, 784 pages.

• Faulkner Information Services, " SoftSwitch Technology ," Faulkner Information Services, 5 pages.

2000:

• Mark Sportack, " The Concise Guide to Voice over IP," Que, December 2000, 350 pages.
• Uyless Black, " Internet Telephony: Call Processing Protocols," Prentice Hall, November 2000, 400 pages.
• Systems, Inc. Cisco, " CIM Voice Internetworking, Basic Voice over IP," Cisco Press, October 2000, 20 pages.
• Michael Bayer, " Computer Telephony Demystified," McGraw-Hill, August 2000, 704 pages.
• Igor Faynberg, Lawrence Gabuzda, Hui-Lan Lu, " Converged Networks and Services: Internetworking IP and the PSTN," Wiley, July 2000, 368 pages.
• Hill Associates Inc., " ExperTech Series : Wireless: Mobile Telephony," Hill Associates, Inc, July 2000.
• Mark A. Miller, " Voice Over IP: Strategies for the Converged Network," Hungry Minds, Inc, February 2000, 296 pages.

• Walter J. Goralski, Matthew C. Kolon, " IP Telephony," McGraw-Hill, September 1999, 416 pages.
• Uyless D. Black, Uyless Black, " Voice Over IP," Prentice Hall, August 1999, 328 pages.
• Nathan J. Muller, " Desktop Encyclopedia of Voice and Data in Networking," McGraw-Hill, August 1999, 757 pages.
• Rob Walters, " Computer Telephony Integration," Artech House, January 1999, 412 pages.
• Marcus Goncalves, " Voice Over IP Networks," McGraw-Hill, August 1998, 352 pages.
• Gilbert Held, " Voice Over Data Networks: Covering IP and Frame Relay," McGraw-Hill, April 1998, 300 pages.
• Dan Minoli, Emma Minoli, Daniel Minoli, " Delivering Voice over Frame Relay and ATM," Wiley, April 1998, 480 pages.
• Edwin Margulies, " Understanding Java Telephony," Computer Bookshops, February 1998, 873 pages.
• William A. Flanagan, " Voice over Frame Relay," CMP Books, October 1997, 242 pages.
• Daniel D. Briere, Patrick J. Hurley, Rebecca Wetzel, " Internet Telephony for Dummies," Hungry Minds, Inc, July 1997.
• Bob Emmerson, David Greetham, " Computer Telephony and Wireless Technologies : Future Directions in Communications," Computer Technology Research Corporation, July 1997.
• Carlton Carden, " Understanding Computer Telephony; How To Voice Enable Databases From PCs to Lans to Mainframes," CMP Books, March 1997, 550 pages.
• Edwin Margulies, " Secrets of Windows Telephony," CMP Books, March 1997, 688 pages.
• Cheryl Kirk, " Internet Phone Connections," McGraw-Hill, January 1997, 276 pages.
• Jeffrey R. Shapiro, " Windows Telephony : A Practical Guide to Designing, Using and Developing Telephony Applications on All Windows Operating Systems at the Desktop and vi," CMP Books, July 1996, 300 pages.
• Edwin Margulies, " 1001 Computer Telephony Tips, Secrets and Shortcuts," Miller Freeman Books, May 1996, 516 pages.
• Steve Gladstone, " Testing Computer Telephony Systems and Networks," CMP Books, February 1996, 350 pages.
• Patrick Kane, " Computer Telephony On The Sun Platform," CMP Books, February 1996, 350 pages.
• Jeff Pulver, " The Internet Telephone Toolkit," Wiley, January 1996, 201 pages.