Models |
|
NG220
- 2-Port FXO VOIP Gateway |
|
NG420
- 4-Port FXO VOIP Gateway |
|
NG620
- 6-Port FXO VOIP Gateway |
Interfaces |
|
One
10 Base-T Ethernet RJ-45 Port |
|
One DB-9 RS-232 COM Port |
|
Two RJ-11 Telephone Ports for NG220 |
|
Four RJ-11 Telephone Ports for NG420 |
|
Six
RJ-11 Telephone Ports for NG620 |
|
AC Power Input Outlet |
|
AC
Power Switch |
General
Features |
|
ITU-T H.323 v3 compliance |
|
Support
of behind NAT Router or IP Sharing Device |
|
Gatekeeper Mode or Peer-to-Peer Mode |
|
Support of Auto-attendant (Tone or Voice Greeting) |
|
Line Hunting |
|
PSTN Polarity Reversal Detection |
|
Provide of 2nd Dial Tone to PSTN |
|
E.164 Common Dial Plan |
|
DTMF
Dialing |
|
DTMF Detection/Generation |
|
TFTP software upgradeable |
|
Remote Configurations/Reset |
|
LED indications for system status |
|
MS NetMeeting v3.0 compatible |
|
Support of Static IP and DHCP |
|
Support of QoS by setting ToS (Type of Service) parameters
of VOIP packets |
Audio
Features |
|
Codec: G.711 a/Łg-Law, G.723.1, G.729 |
|
VAD (Voice Activity Detection) |
|
CNG (Comfort Noise Generation) |
|
G.168/165-compliant Adaptive Echo Cancellation |
|
Dynamic Jitter Buffer |
|
Bad Frame Interpolation |
|
Complete voice band signaling support |
|
Receive
of Caller ID (DTMF or FSK) from PSTN |
|
Inband or Outband DTMF Detection/Generation |
|
H.450 Services of Call Hold and Call Transfer |
|
Gain/Attenuation Settings |
|
Call Progress Tones: Dial Tone, Busy Tone, Call Holding Tone
and Ring-back Tone |
Fax
Support |
|
Automatic Fax Detection |
|
Group 3 Fax Relay at 2.4~14.4K bps |
|
Support of T.38 Protocol |
Management
Features |
Two
easy ways of system configurations: |
|
Console Port |
|
Telnet |
LED
Indicators for System Status |
|
Status for Power, Telephone Lines, Ethernet Status, GK or
P2P Mode, Normal or Downloading Mode. |
Physical
Description |
|
Dimensions: 221 mm (W) x 42 mm (H) x 217 mm (D) |
|
Weight: 1.4 Kg |
|
|
Specifications
are subject to change without notice. |