... and MaintainAG2016S provides Web-based management GUI, allowing user to configure parameters, upgrade firmware, import and export configuration data, ... latest VoIP functions and standard can be continuously delivered to customers and extend lifetime of the equipment. System ... & Server, DHCP options, Static IP, PPPoE, bridge and router modeVLAN802.1q VLANVoice, data, and management divided VLAN and IP ...