The Cisco AS5850 Universal Gateway is the highest density, highest performance, carrier class access server on the market, offering unparalleled capacity and availability.The Cisco AS5850 is specifically designed to meet the demands of large service providers such as Post, Telephone, and Telegraphs (PTTs), regional bell operating companies (RBOCs), inter-exchange carriers (IXCs), and large Internet service providers (ISPs). The Cisco AS5850 initially supports up to 2688 calls (4 x CT3s) or 86 E1s. The Cisco AS5850 offers high availability features such as hot-swapping on all cards, hot spares, redundant hot-swappable power supplies, redundant switch fabrics, and redundant routers to ensure 99.999-percent availability. Its high density, high availability features and universal port readiness make it ideal for many network deployment architectures, especially co-location environments and high-density points of presence. The Cisco AS5850 enables service providers to address fast-growing revenue opportunities such as wholesale dial access.