10
VoIP Subscriber Gateways
USB2.0 port to connect storage devices, USB-modem or printer.
The gateway is powered via an external 12V DC adapter at 220V.
The device supports the following functions:
-
Network functions:
PPPoE support (PAP, CHAP, MSCHAP authorization, PPPoE compression
2
);
PPTP/L2TP support;
Static address support and DHCP (DHCP-client on WAN);
DNS support;
NAT support;
NTP support;
SNMP support;
QoS mechanisms support;
-
VoIP protocols: SIP
-
ToS for RTP packets, SIP;
-
echo cancellation (G.164 and G.165 guidelines);
-
silence detector (VAD);
-
Comfort noise generation;
-
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 (VAS):
2
Not available in the current version