Linksys Spa9000

These Linksys SPA9000 marries the rich feature set of legacy PBX telephone systems with the convenience and cost advantages of Internet telephony. It has common key system features such as an auto attendant, shared line appearances, three way call conferencing, music on hold, "follow me" calling, and many more. The SPA9000 opens up access to the benefits of Voice Over IP, including low cost long distance service, phone number portability, and one network for both voice and data.
The Linksys SPA9000 is so easy to configure that a fully working system can be setup up in minutes. New phones are automatically detected and registered when they are connected to the SPA9000. The SPA9000 has an integrated web server that allow features to be configured using a web browser. The web server has multiple levels of password protected access to user and service level features. Service level settings may be locked by the Internet Telephone Service Provider to ensure they are not accidentally corrupted. The Service Provider can remotely update the software and settings through a secure encrypted connection.
With it's integrated router, the SPA9000 can be either connected directly to the internet connection, or connected indirectly through another router.
A complete VOIP PBX
a cIP PBX system with high-end features
a cConnect up to sixteen (16) SIP compatible VOIP Phones
a cSelf-configuration capabilities enabled with Linksys IP Phones
a cWorks with most Internet Telephone Service Providers