... offers best performance to cost ratio. Through software upgrade, new VoIP function and standard can be ... 802.1p, TFTP, TelnetConfiguration/ManagementWEB GUIConfiguration, firmware upgrade, status monitoring, log downloadingEMSTR069/TR104/TR106,SNMPv2,Telnet ... ,TFTP,HTTPAuto ProvisioningAuto configure/upgrade, Provision server discover, TFTP, FTP, HTTPProtocol ...