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“DEC Computer Integrated Telephony Application Interface for ULTRIX,” Version 3.0, Digital Equipment Corporation (DEC) Sep. 1991 .

“Dialogic CT Connect,” Version 1.0, Dialogic, Jul. 1995.

Ensor et al., “The Rapport Multimedia Conferencing System A Software Overview,” 1988.

Ensor et al., “Control Issues in Multimedia Conferencing,” 1991. Ensor et al., “User Interfaces for Multimedia Multiparty Communications,” 1993.

Faynberg, et al., “A Proposal for Internet and Public Switched Telephone Networks (PSTN) Internetworking,” Network Working Group, Mar. 1997, pp. 1-10.

“First of Many AT&T Products for New Multimedia Networks,” Lucent Technologies, Oct. 1995.

Grant, “Cable Television,” Integrating Telephone Services, Chapter 24, 1983.

Greene,T., “Micom Adds Frame Relay to Multiplexer and Router Lines,” Network World, Aug. 1995.

Greene, T., “Neura Boosts Bandwidth for Voice Over Frame,” Network World, Oct. 1996.

Greene, T., “Voice of IP Is Sounding Better,” Network World, 1996. IEEE, “Selected Areas in Communications,” Dec. 1993.

Jenq, “Performance Analysis of a Packet Switch Based on Single Buffered Banyan Network,” 1983.

Jesitus, J ., “Putting Voice and Data on Same Road,” Communication News, Jul. 1990.

Margulies, E., “Understanding the Voice Enabled Internet,” Table of Contents, Flatiron Publishing, NewYork, 1996.

Michalski: “Shared Spaces/Virtual I Includes Related Article on TCP/IP/Industry Trend or Event,” 1995.

“Micom’s New V/IP Product Family Adds Voice Fax to Enterprise Ip Networks,” Business Wire, Sep. 1996.

“Nortel Technical Training: VIP Net Voice,” Nortel Networks Corporation.

“Nortel Mod Tap Cabling Solutions Ordering Information,” Nortel Networks Corporation, Mar. 1995.

“Nortel Mod Tap Cabling Solutions Overview,” Nortel Networks Corporation, Mar. 1995.

“Nortel Marathon 5KT Pro Owner’s Manual 13 Release 5.1 and Above,” Nortel Networks Corporation, 1996.

“NortelV/Ip Phone/ Fax IP Gateway AnalogVoice Interface Cards for Netware and MS DOS User’s Manual (Preliminary),” Nortel Networks Corporation, Aug. 1996.

“Nortel NetworksTM Universal Signaling Point for Seamless Interworking,” Product Brief, Nortel Networks Corporation, Jan. 2000, 4 pages.

“Telephony Services 2.1,” Computer Telephony, Aug. 1995, pp. 34, 39-41 .

“Tutorial on Signaling System 7 ( SS7),” Performance Technologies, Inc., Jan. 2000, 23 pages.

“Voice Over IP Taps Intranet for Telephone Service,” Cisco World, 1996.

Wexler, J ., “Industry Gets Serious About ’Net Phone Calls,” InfoWorld, 1996, p. 39.

“Will Voice Over IP Turn the Telephony Mart on Its Ear?” Business Wire, Aug. 1996.

“Nortel Marathon Release 5.0 Startup Guide for Marathon 2K, Marathon 2K Plus and Marathon 3K,” Nortel Networks Corporation, Apr. 1996.

“Novell NetWare Telephony Services 2.21 / LAN Times: Starting Small, Thinking Big,” 1996.

Ahuj a, Sr., and J .R. Ensor, “Call and Connection Management: Making Desktop Conferencing Systems a Real Service,” ACM SIGCOMM Computer Communication Review 22(3): 10-13, Jul. 1992.

Ahuja, Sr., and J .R. Ensor, “Coordination and Control of Multimedia Conferencing,” IEEE Communications Magazine 30(5):38-43, May 1992.

“AT&T’s Transformation Strategy” (produced in response to subpoena in Caritas v. Comcast), available as early as May 8, 2007, pp. 1-1 1 .

“Competitive Products for the Pandora Technologies EZSpeak System,” available as early as May 8, 2007, 3 pages.

“Corvette Dealer Races to Savings on Multi-Use Network (Modems & Muxes; Visone Motors of Saugus, MA,” Communication News, vol. 29, No. 2, Feb. 1992, 2 pages.

“V/IP (Voice Over IP) Phone/Fax IP Gateway User’s Manual,” MICOM Communications Corp., available as early as May 8, 2007, 93 pages.

“Digital Conferencing and Switching System 240e-ns (DCSS 240ens),” DynaLec Corporation, available as early as May 8, 2007, 3 pages.

Edwards, M., “Micro-to-Mainframe Links Are Forged by Stream of Products,” Communication News, Mar. 1985, 11 pages.

Harler, C., “Phillies Network is Hard-Hitting and Error-Free (Philadelphia Phillies Use Local Area Network for Automated Ticketing System),” Communication News, vol. 30, No. 11, Nov. 1993, 2 pages. IEEE Journal on Selected Areas in Communications SAC-1(6), Dec. 1983, 2 pages.

Jesitus, J ., “Putting Voice and Data on Same Road,” Communication News, vol. 27, No. 7, Nov. 1993, 3 pages.

Kim, B.G., “Characterization of Arrival Statistics of Multiplexed Voice Packets,” IEEE Journal on Selected Areas in Communications SAC-1(6):1133-1139, Dec. 1983.

Lucent Technologies, “MultiMedia Communications eXchange: Local and Wide Area Network Considerationsia MultiMedia Communications Exchange White Paper,” 1996, pp. 1-11.

MICOM Technical Training, “Enterprise V/IPiVoice Over IP,” available as early as Aug. 25, 1997, 14 pages.

MICOM Technical Training, Instructor’s Copy, “V/IPiPhone/Fax IP Gateway,” available as early as Aug. 25, 1997, 15 pages. MICOMTechnical Training, “V/IPiPhone/Fax IP GatewayiV/IP Analog/T1/E1iDOS/Netware/WIN95,” Aug. 25, 1997, 18 pages. MICOM Technical Training, “VIP NetVoice,” available as early as Aug. 25, 1997, 55 pages.

Lucent Technologies, “MultiMedia Communications eXchange System Administrator’s Guide and Technical Reference Manual,” Release 2.0M 555-027-813, Issue 1, Jul. 1997, 2 pages.

Net2Phone Communications Without Borders, “Phone to Phone” <http://www.net2phone.con1/about/press/ pressmaterials/p2p.asp> [retrieved Oct. 10, 2011], 1 page.

Net2Phone Communications Without Borders, “PC to Phone” <http://www.net2phone.com/about/press/pressmaterials/pc2p.asp> [retrieved Oct. 10, 2011], 1 page.

Nortel, “Magnum Router User’s Guide Release 2.0,” available as early as May 8, 2007, 171 pages.

Novell, “NetWare 4.1 Release Notes,” available as early as May 8, 2007, 24 pages.

Parameshwar, N., and C. Reece, “Advanced SIP Series: SIP and 3GPP,” Award Solutions, Inc., retrieved Feb. 25, 2011, pp. 1-9. “Platform SDK: Telephony Application Programming Interfaces,” retrieved on or before Jul. 22, 2010, 24 pages.

“VocalTec Announces Support of H.323 Standard: Demonstrates Internet Phone Interoperability With Micro soft, Intel,” PR Newswire, Oct. 31, 1996, 3 pages.

“VocalTec Introduces the Internet Phone Telephony Gateway Linking Traditional and Internet Telephone Networks,” PR Newswire, Mar. 8, 1996, 3 pages.

“VocalTech Unveils Real World Internet Telephony,” Newsbytes, Aug. 30, 1996, 2 pages.

Green, T., “Voice to Get Free Ride From Frame,” Network World, Jan. 29, 1996, 1 page.

* cited by examiner

US 8,077,844 B2

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