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).
Remote Office service allows conducting business not being in the company’s office. One can install such a program and with help of the Internet one can be connected to a company’s phone line, which will allow you using all the features available in the office.