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The GSM Gateway (also Fixed Cellular Terminal, Fixed Wireless Terminal, Cellular Gateway) is a device that enables any user to save money on calls from fixed phones to GSM networks.

Grandstream Networks is a leading designer and manufacturer of innovative, affordable, and high quality IP voice and video products for the worldwide broadband telephony market. Our products are fully compatible with the SIP industry standard, field proven with large and rapidly growing deployed base, and have broad interoperability with the majority of 3rd party SIP products on the market today.

TalkSwitch is the original all-in-one PBX telephone system for small business. Packed with amazing features, TalkSwitch systems improve your image, save you money and keep you connected everywhere. With TalkSwitch, you connect the way you choose. Our systems work with VoIP (Voice over IP) and the traditional telephone network, and you can choose IP or standard analog telephones. TalkSwitch PBX and IP PBX phone systems let you work the way you want to.

Nortel is a recognized leader in delivering communications capabilities that make the promise of Business Made Simple a reality for our customers. Our next-generation technologies, for both service provider and enterprise networks, support multimedia and business-critical applications. Nortel's technologies are designed to help eliminate today's barriers to efficiency, speed and performance by simplifying networks and connecting people to the information they need, when they need it. Nortel does business in more than 150 countries around the world.

SpiderPhone is a broadband communication software developed by ArtDio Company. It is running in the pc and compatible with all kinds of WINDOWS operation system. It is the application terminal of VOIP softswitch platform. It achieves the strong real-time call function by the support of ASW system. It can be used in the intranet, IP phone operating network in telecom class and the users having the access of Internet.

PLANET Technology Corp. is one of the global leading IP-based networking companies. We design, deploy and deliver optimizing IP solutions converged data, voice and video over company networks for both enterprise and SOHO customers. Our reliable, affordable, and standard-based networking products and solutions are designed to fulfill the demands for the most complete range of product offerings at the cost-effective performance.

Sipura Technology's products, comprised of VoIP CPE (Customer Premise Equipment) and station endpoint equipment, help bring an exciting new world of communication services to customers and profitable new revenue streams to operators.

TOPEX is among the most innovative, fast growing European manufacturer of telecommunication equipment, providing a wide range of telecommunication applications. The company has over 16 years of experience in research, development and manufacture of both civil and military telecommunication devices.

NMS Communications is a leading provider of communication platforms that make it possible for our customers to rapidly develop and deploy value-added services on mobile and converged networks. These services range from traditional voice mail and interactive voice response systems to ringback tones, mobile publishing, and interactive mobile video applications. For over twenty years, our customers and partners -- the world's leading network equipment providers, application developers, and mobile and converged network operators -- have turned to NMS for media processing solutions that can help them capture new market opportunities and grow revenue and profits.

E-Resource 21 started its business operation in 1st August 2000 with its principal business engaged mainly in the Civil Engineering Construction and related business including Employment Agency for the local and oversea construction business. E-Resource 21 Private Limited was incorporated on 30th October 2002