Vigor Talk ATA-24 SH could provide large Vo IP ports which is designed for ISP/SI. Vigor Talk ATA-24 SH not only provides high quality call service. but also supports various Vo IP protocals & supplementary services. The Vigor Talk ATA-24 SH combines guaranteed Bandwidth, remote management & administrative functions to meet increasing demands for higher reliability in todays broadband environment. The Do S (Denial of Service) function helps to detect & mitigate Do S attacks such as flooding-type & vulnerability attacks. The SNMP-based of Vigor CMS is the management software offers an easy way to remotely set up configurations, update system status, display alarm events, monitor system behaviors, perform diagnostics & download firmware & email attacking alert. For installation, status monitor, & management of Vigor Talk ATA-24 SH of router, it will be easily accomplished through a built-in Web user interface or Telnet command line interface.