SIP Servers

Active Telecom is a leading player at the forefront of the convergent telephony movement. As such, our mission is to become the standard in telecom applications for carrier and enterprise nextgen networks. Today, for the first time ever, telecom operators and service providers have a unique opportunity to offer all of the voice, video, mobile, multimedia and data services that their business customers want. This is possible due to a new generation of infrastructure equipment and services based on IP that converge the historically separate worlds of voice, data and mobile services.

aTelo, Inc. provides a wide range of services in business re-engineering, information technology consulting, system integration, software engineering and much more. Our mission is to help our customers obtain maximum value of their technology investment. Our fields of expertise include: analysis of current business systems, strategic system design and systems implementation, technical training, documentation, network planning, system security evaluation, copyright and patent research, development of acquisition and expansion strategies for technology oriented companies.

Founded in 1999 by some of the world’s leading venture capital firms, GENBAND is a leading supplier of IP multimedia application and infrastructure products and solutions for a diverse set of service provider networks worldwide. Headquartered in Plano, Texas, GENBAND has research and development facilities in Texas, China, and India.

Founded in 1998, Centile delivers the world’s richest pre-IMS VoIP Applications platform to Service Providers wishing to offer unique value-added and cost-effective new multimedia services to both the business and residential markets.

Dialexia Communications is a next generation communication software and services company established in the Techno-Park area of Montreal, Canada. Dialexia develops and markets a complete suite of IP Telephony software and applications. It also provides Advanced Telephony Solutions using Internet Protocols to enterprises, service providers as well as telephony resellers.

Flextronics Software Systems is now Aricent. Aricent is a full-service, full-spectrum communications software company. We're committed to powering communications for all of our clients-the world's leading communications equipment manufacturers, device manufacturers and service providers. No other company offers the depth and breadth of services and products. And no other company delivers such a unique combination of innovation, excellence and results.

Ukrainian telecommunication company, which develops a wide range of contemporary information systems and technologies for communication enterprises. The company has been operating since 1999. Portfolio of the company constitutes systems of billing, softswitch and system of statistics collection. For promotion and maintenance of the products the company has created a network of representative offices and affiliate companies, located in Russia, Greece and USA. The products of the company have been certified in correspondence with Russian standards.

iptel.org is dedicated to the practical side of SIP-based IP Telephony communication. You can here learn about SIP and related technologies and how to set up and maintain a large-scale SIP infrastructure. iptel.org is the home of the well-proven SIP Express Router (SER) and related tools (SEMS - SIP Express Media Server, SERWeb - WEb interface to SERi; RTPProxy - Media proxy server).

Multi-Tech Systems is an ISO 9001:2000-certified global manufacturer of award-winning telephony, Internet, remote access, and device networking products. Since 1970, Multi-Tech Systems has grown into a company with a worldwide reputation for reliable products of innovative design. This reputation is just as strong today. Our goal is to help our customers achieve a competitive advantage by providing solutions that return superior business results. New technologies, same focus: Connecting voice and data over IP networks.

Primal Technologies is a leading developer of telecom applications on the highly available carrier grade Primal Open Services Platform (OSP); a telecom platform that interconnects with SS7, Wireless, and IP networks to provide a powerful range of applications. Applications on the IN (IS826- CAMEL) based Open Services Platform (OSP) include: IN Prepaid, Unified Communications, Voice Mail, MMS / SMS, Ringback, OTA, USSD and Conferencing. Typical customers include: wireless service providers, landline service providers, and broadband providers.