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Protocol
and Standard
RFC 2543 SIP support
ITU H.323 v2/v3/v4 compliant
RTP RTCP compliant
Remote Management: Web-based Graphical
User Interface (GUI) and Telnet
DHCP Server/Client and PPPoE support
SNMP v2 support
Dynamic DNS
VPN pass-through (IPsec, PPTP, L2TP)
Voice
Compression
ITU G.711/64kbps,
G.723.1A/5.3,6.3kbps, G.729A/B/8kbps
Voice Activity Detection (VAD)
Comfort Noise Generation (CNG)
Tone
Generation and Detection
TIA-464B DTMF, Dial, Busy, Ring
Back, Call Progress.
FAX
Relay
T.30 and T.38 real-time FAX
compliant.
Data/Voice/FAX auto-switch.
Echo Cancellation
G.165/G.168 compliant with 8-16ms echo
tail.
Software Upgrade
FTP/TFTP
PSTN Interface
VSP-5004: 2 analog PSTN modules. Each
module offers 2 analog ports.
VM-200 : 2 FXO ports module
VM-200S : 2 FXS ports module
VM-211 : 1 FXO + 1 FXS ports module
Network
Interface
5 Ethernet ports, 4-port switch
for LAN, one for WAN
10Base-T and 100Base-T, IEEE802.3
compatible
Console
Serial Console Port:
RS-232/DB-9
LED
Indicators
LAN: 10/100M, Collision,
Link, Active (Tx/Rx)
WAN: Link, Tx, Rx, Collision
Line (off-hook/ringing)
Phone (off-hook/ringing)
Power
Power
100~240V AC, 50~60 Hz to
12V DC, 1.2A power adapter
Environmental
Humidity: 10~90%,
non-condensing
Operating temp: 0~50 degrees C
Storage temp: -10~70 degrees C
Dimension
240mm (L) x 165mm (W) x
36mm (H)
Weight
1.2 +/- 0.1 Kg
Safety
UL1950, EN60950
EMC
FCC part 15 Class B, CE
mark
Vibration
and Drop
IEC 68-2-36, IEC 68-2-6, EC
68-2-32
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