A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
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.