ELTEX NTU-2V - Page 10

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10 NTU Optical Network Terminals
– static IP address and DHCP (DHCP client on WAN side, DHCP server on
LAN side);
– UPNP;
– IPSec;
– NAT;
– Firewall;
– NTP;
– QoS;
– IGMP snooping;
– IGMP proxy;
– Parental Control;
– Storage service.
 Wi-Fi:
– 802.11b/g/n standards.
 VoIP
– SIP
– Audio codecs: G.729 (A), G.711 (A/U), G.723.1;
– ToS for RTP packets;
– ToS for SIP packets;
– Echo cancellation (G.164 and G.165 guidelines);
– Silence detector (VAD);
– Comfortable noise generator;
– DTMF signal detection and generation
– DTMF transmission (INBAND, RFC2833, SIP INFO)
– Fax transmission: upspeed/pass-through. G.711, T.38
 Value Added Services (VAS):
– Call Hold;
– Call Transfer;
– Call Waiting;
– Forward unconditionally;
– Forward on ‘no answer’;
– Forward on ‘busy’;
– Caller ID Display for ETSI FSK;
– Anonymous calling;
– Warmline;
– Flexible dial plan;
– Voice mail notifications (MWI);
– Anonymous call blocking;
– Call Barring;
– DND (Do not disturb)
 Firmware updates via web interface, TR-069, OMCI.
 Remote monitoring, configuration, and setup:
– TR-069;
– Web interface;
– OMCI;
– Telnet.
Fig. 3 shows a diagram of the NTU equipment connection.