... worldwide vendors, including IP-PBX from Microsoft (OCS), Cisco (CallManager), Avaya, and softswitch from Huawei, ZTE, ... , DHCP options, Static IP, PPPoE, bridge and router modeVLAN802.1q VLANVoice, data, and management divided VLAN and ... changing, traffic shapingConfiguration/ManagementWeb GUIConfiguration, firmware upgrade, status monitoring, log downloadingEMSTR069/TR104/TR106, SNMPv2, Telnet, TFTP, ...