h1. The Enterprise Communications Solution
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[sipXecs|http://www.sipfoundry.org/] is a modular scalable communications solution for enterprises of all sizes. It provides a highly available SIP routing core integrated with a growing suite of communications services all managed through a unified web based management application. sipXecs provides PBX telephony services integrated with instant messaging, and allows the use of advanced communications tools like video calling.
The sipXecs IP PBX is a native SIP based solution that offers all the typical features expected from a PBX, including voicemail, unified messaging, auto-attendant, conferencing, presence and call center capabilities. The sipXecs IP PBX can be deployed on a single server for smaller installations or as a distributed and optionally redundant system for larger deployments. It's Web Services (SOA) based management and configuration system allows centralized management of a distributed system and offers plug & play configuration for all phones and gateways.
The sipXecs IP PBX developer community is strong and growing. The sipXecs IP PBX has built a reputation for being easy to use, scalable and of high quality. In addition, sipXecs IP PBX is a *unified communications solution*, not just an IP PBX.
The sipXecs IP PBX effort aims at providing a fully capable open source unified communications solution for the mid-enterprise market. The mid-enterprise market ranges from a few users to several thousand users, possibly located in different buildings, cities, or countries.
h1. *Read And Participate*
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[Create a sipfoundry account|http://track.sipfoundry.org/secure/Signup!default.jspa] {color:#333333}{_}the same account works for all the tools at sipfoundry.org{_}{color}
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{color:#333333}Get the book\!{color}{align}
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