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VoIP subscriber gateways
9
The device supports the next functions:
Network functions:
–
PPPoE support (PAP, CHAP, MSCHAP authorization, PPPoE compression
1
);
–
PPTP/L2TP support;
–
Static address support and DHCP (DHCP-client on WAN);
–
DNS support;
–
NAT support;
–
NTP support;
–
SNMP support;
–
QoS support;
IP-telephony protocol: SIP;
ToS for RTP, SIP packets;
Echo cancellation (G.164, G.165 guidelines);
Silence detector (VAD);
Comfortable noise generator;
DTMF signals detection and generation;
DTMF transmission (INBAND, rfc2833, SIP INFO);
Fax transmission:
–
G.711a, G.711u;
–
upspeed/pass-through;
–
T.38;
Operation with several SIP servers;
Value added service:
–
Call Hold;
–
Call Transfer;
–
Call Waiting;
–
Call FWD Busy;
–
Call FWD No answer;
–
Call FWD Unconditional;
–
DND (Do not disturb);
–
Call Pickup;
–
Caller ID: V.23, Bell202, DTMF;
–
Hotline;
–
CLIR
– caller identity restriction;
–
Value added service control via phone;
–
Conference call;
Firmware update via web-interface;
Remote monitoring, configuring and settings: Web-interface, Telnet, FTP, SSH, SNMP, TR-069
;
Express setting menu;
Voice menu support;
Supporting MAC address filtration;
Supporting automatic gain control on analogue lines;
Loading user pitches for analogue lines.
1
It is not available in the current version