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Internet Telephone (VoIP)


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-D2-

D2 Technologies
Offices: Santa Barbara, California & Hsinchu City, Taiwan
D2's mission is to accelerate the adoption of Voice over IP technology by providing the highest quality and most cost effective software and system solutions to the industry. They accomplish this by innovating and advancing their VoIP solutions and making them widely available to semiconductor and system manufacturers worldwide. First established in 1993, D2 became known worldwide as a market and technology leader in voice processing software before it was acquired and merged with several leading communications semiconductor companies between 2000 and 2002.
Data Connection
Offices: London, England; Alameda, California; Boxborough, Massachusetts; Dallas, Texas & Reston, Virginia
Data Connection is the leading independent developer and supplier of unicast and multicast IP Routing, MPLS, SIP, MGCP/Megaco, SBC, ATM and SNA portable products, as well as web conferencing, voicemail, unified messaging, and directory applications. The company's MetaSwitch division supplies IP Multimedia Subsystem (IMS) switching and applications solutions for both packet and circuit-switched networks. Its widely deployed call agent, signaling gateway and application server platform supports a range of legacy Class 4/5 capabilities and hosted communications services.
DaVinci Integration (DVI)
Offices: Cranbury, New Jersey
DaVinci Integration is a leader in VoIP integration solutions and the premier authority on VoIP.  DVI is a laser-focused hands-on consulting and integration firm offering a broad range of solutions to the wireline, wireless and cable/broadband carriers and service providers that plan to deploy Voice over Internet Protocol (VoIP) in their network or are planning to build a VoIP infrastructure. DVI has expertise in VoIP routing and Operation Support Systems architecture design and deployment.
Deltathree
Offices: New York, New York & Jerusalem, Israel
Deltathree is a leading provider of Internet telephony solutions to consumers resellers, and service providers worldwide. deltathree offers a wide range of Voice over IP (VoIP) services including Broadband Phone, PC to Phone, Virtual Calling Cards and more. iConnectHere, deltathree's retail division, offers great savings on internet phone services such as Broadband Phone, PC to Phone and Virtual Calling Cards to businesses and consumers worldwide. deltathree is at the forefront of the VoIP industry with innovative applications, research and development.

-Dialexia-

Dialexia Communications
Offices: Montreal, Canada
Dialexia Communications, a next generation communication software and services company, develops and markets a complete set of IP-Telephony software and applications. It also provides Advanced Telephony Solutions using the Internet Protocols to enterprises, service providers as well as telephony resellers. Dialexia has implemented the latest technologies to facilitate the convergence of voice and data networks. Potential SME's will be able to make a transition towards a telecommunication system that will provide productivity by simplifying the complexity of their needs.
DiamondWare
Offices: Mesa, Arizona
DiamondWare is a rapidly growing entrepreneurial company. They have grown from four to twelve in the last year and are continuing to search carefully for the right new team members passionate about VoIP audio. Now, with robust technology building blocks in place they are focused on bringing to market the next generation 3D VoIP collaborative solution. Their team is focusing on extending the applications which leverage their patent-pending audio and other technologies including; presence based around 3D virtual positioning, voice colorizing, multi-conferencing and Wi-Fi.
Digium
Offices: Huntsville, Alabama
Digium is the original creator and primary developer of Asterisk, the industry's first open source PBX and Asterisk Business Edition, the professional-grade version of Asterisk. Used in combination with Digium's PCI telephony interface cards, Asterisk offers a strategic, highly cost-effective approach to voice and data transport over IP, TDM, switched and Ethernet architectures. Digium provides quality hardware and software products that enable telephony applications including legacy PBX, IVR, auto attendant, next generation gateways, media servers and application servers.
Ditech Communications
Offices: Mountain View, California
Ditech Networks produces equipment for global communications networks, serving the needs of mobile and wireline operators using circuit and packet technologies. Ditech's voice enhancement and echo cancellation products enable telecommunications providers to deliver consistently clear voice to their customers worldwide. Their VoIP products combine packet processing and session control to deliver dependable end-to-end VoIP services across network security boundaries without network re-architecting.
Dynavar
Offices: Bellevue, Washington & Calgary Alberta
The significant increase in voice and data communications is requiring service providers to expand and upgrade their network infrastructures to support Internet Protocol (IP) based services such as Voice-over Internet Protocol (VoIP) in order to retain customers, maintain revenues, and remain competitive. VoIP uses the ubiquity of IP-based networks to deploy VoIP-enabled devices in business and home environments. The developments in VoIP technology have created attractive alternatives to traditional telephony infrastructure solutions.