he VigorBX 2000ac IP PBX dual WAN integrated router has most functions of the Vigor2860 series routers, plus a built-in IP PBX with PBX features suitable for SOHO and small businesses, including Auto Attendant, Hunt Groups, Voice Mail, Call Forward/Pickup, Music on Hold, etc.The VigorBX 2000ac IP PBX supports multi-WAN interfaces, including 1 x VDSL2/ADSL2+, 1 x Gigabit Ethernet WAN and 2 x USB port for 3G/4G mobile dongles. It can connect to the Internet through any combination of these interfaces for Load Balance and/or Failover functions. It also supports business level features such as object-oriented SPI (Stateful Packet Inspection) Firewall, IPv6, 32 VPN tunnels, 16 SSL VPN tunnels, tag-based VLAN, multiple subnets, etc.The VigorBX 2000ac IP PBX handles up to 50 extensions as well as 12 SIP trunks, 2 PSTN trunks and 8 custom trunks. It is equipped with 1 FXS and 2 FXO ports, and can be rack mounted using a 1RU rack mount bracket on a standard 19” rack or cabinet.