Key Features. Lower WAN expenditures Superior & secure user application experiences IT consolidation space savings & enhanced total cost of ownership (TCO) Business continuity & increased resiliency Lower telephony costs with Vo IP & rich media experiences Embedded IP security (IPsec) VPN hardware acceleration Integrated Gigabit Ethernet ports USB (Universal Serial Bus)-based console access The Cisco 4000 family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities & convergenceit specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers & public clouds across diverse linksincluding Multiprotocol Label Switching (MPLS) VPNs & the Internet..