It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Linksys SPA8000 is the multifunctional PBX for enterprises and small to medium businesses, which makes it easy to use VoIP telephony using broadband Internet access. Linksys SPA8000 is the best solution for businesses, service providers and VoIP telephony operators. PBX has 8 configurable lines, supports up to 16 active calls and the possibility of a 3-way conference.