... : G.168, 64ms echo tailDynamic jitter buffer, Voice activity detection (VAD), Packet loss compensationQoS: IP ... TOSCall FeatureCalling typeVoice/Fax/DataIVR voice promptFXO port 2-stage dialingEncryptionRC4 and other encryption ... DDNS, 802.1p, TFTP, TelnetConfiguration/ManagementWEB GUIConfiguration, firmware upgrade, status monitoring, log downloadingEMSTR069/TR104/TR106,SNMPv2, ...