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Optical/IP

AT&T Pushes VoIP Interop Program

To support its voice over IP (VoIP) service offerings to both businesses and consumers, AT&T unveiled a VoIP interoperability program for key software and hardware elements based on both Session Initiation Protocol (SIP) and Media Gateway Control Protocol (MGCP). The consumer device initiative is intended to bolster AT&T's CallVantage VoIP service. "Our vision is to stimulate the development of a broad spectrum of VoIP-enabled devices from chipsets, software and telephone adapters to a range of products such as corded and cordless telephones, Wi-Fi phones, game consoles, set-top boxes, routers, modems, PBXs and ACD systems," said Cathy Martine, AT&T senior vice president for Internet Telephony, in a statement. AT&T Labs is overseeing the technical aspects of the program, including working with silicon providers to incorporate AT&T VoIP functionality into their chip and software designs; electronics manufacturers to embed AT&T-compatible software in telephone adapters and consumer devices; and IP PBX and VoIP infrastructure providers to ensure interoperability with AT&T services for businesses. Initial participants in the AT&T VoIP Innovation and Interoperability Program include silicon suppliers Broadcom, Centillium, Intel and Texas Instruments; customer premises equipment manufacturers D-Link, Linksys, and NETGEAR; IP PBX vendors Alcatel, Avaya, Cisco, Nortel Networks and Siemens, as well as softswitch and gateway provider Sonus Networks. AT&T says it will certify products as being AT&T VoIP service compatible, and when needed, license AT&T intellectual property to participating companies to achieve interoperability and compatibility among end user devices that meet AT&T service standards.
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