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).
Provides high quality multifunctional telephone communication service through broadband Internet connection
Has two ports suitable for the connection with regular phones or a phone and a fax – each with its independent number
High quality of voice communication with simultaneous use of the Internet
Compatibility with all main features of the phone: Callers ID, call waiting, voice mail etc.