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).
The Budgetone Series from Grandstream brings to the world highly cost-competitive, latest generation SIP phones. In designing Budgetone series a goal was to employ its groundbreaking innovative technology in order to delver to the market IP phones that will provide their users with unparalleled sound quality, extensive list of features, and simplicity - all at an incredibly low price.