... , 3G, WLAN, voice, and security functions.Open Service PlatformThe AR1200 interconnects with the third-party IT systems by ... VoIP/conference callWLANAP management, WLAN QoS (WMM), WLAN security (WEP/WPA/WPA2/key management), WLAN radio management ( ... , RADIUS authentication, HWTACACS authentication, broadcast storm suppression, ARP security, ICMP attack defense, URPF, CPCAR, blacklist, IP source ...