Top > Computers > Internet > Protocols > SIP > Server Software

» Applied Voice & Speech Technologies, Inc. (AVST) - Applied Voice and Speech Technologies, Inc. (AVST) offers SIP integrations to its flagship CallXpress unified communications platform.

» BaseVoice - Commercial software development company that produces PBX, router, proxy and application server software.

» Brekeke Software, Inc. - VoIP telephony server software manufacturer. Includes product information, free download trials, and details of the support available.

» 3CX - Developers of IP PBX software for Windows.

» Interactive Intelligence, Inc. - Developers of a proxy server. Site contains downloads, documentation and a forum.

» LignUp Corp - Applications developer. Products include software PBX's for enterprise and service providers.

» OpenSER - A branch of the SIP Express Router project, offering an open-source SIP server.

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