... ID, DND, busy tone, conference with IPPBX and Fax over IP.Be easy to configure and maintain:Customer can access ... or telnet. With rich tools, customers can easily manage the system, and is specifically designed to be easy to use and affordable ... , remote management and maintenance. It is capable to work well with mainstream softswitch providers. InterfacesTelephone interfaces8* RJ45 FXS PortsNetwork ...