Software Specifications

Protocol Supported

ITU-T H.323 v2/v3/v4 compliance
SIP RFC3261

Supplementary Service

H.450 (Call Hold, Call Transfer, Call Forward)

FAX Support

Automatic FAX detection
Group 3 Fax relay at 2.4 - 14.4 kbps
Support T.38 protocol

Codec Supported

G.711A/u-law, G.723.1, G.729, G.729A, G.729B, G.729AB

Vocie Quality

VAD (Voice Activity Detection)
CNG (Comfort Noise Generation)
G.165/G.168 compliant echo cancellation
Programmable Dynamic Jitter Buffer
Bad Frame Interpolation
Provide both in-band and out of band DTMF generation detection
Gain/Attenuation Settings
Provide progress tone: Dial Tone, Busy Tone,
2nd Dial Tone, Call-Holding Tone and Ring-Back Tone

QoS

TOS

Caller ID

Generation (FSK/DTMF)

Tone

DTMF/CPT (Call Progress Tone) Generation/Detection

ADSL Environment

PPPoE

Firewall Environment

Behind NAT Router or IP sharing device

Security

Support H.235 security function

Configuration & Management

Console port, TELNET and Web Browser

Upgrade

Firmware upgrade through network by TFTP/FTP

Mechanical Specifications

Power

Input AC 100V~240V Output DC12V

Operation Temperature

41 ~ 104°F (5 ~ 40°C)

Humidity

10% to 90% (Non-condensing)

Dimension and Weight

6.5” (165mm) W x 1.14” (29mm) H x 5.47” X (139mm) L
2.22 lbs (1 kg)

Console Interface

One DB-9 RS-232 COM port

Network Interface

Four 10/100Base-T Ethernet RJ-45 ports
(auto LAN MDI/MDIX)

FXS Interface

One RJ-11 Telephone port (FXS)
Programmable AC impedance,Feeding voltage, Ring Voltage, Ring Cadence, Loop current and
call progress tone
ON-Hook Voltage: 48Vdc
Ring Voltage: 50 V RMS
Loop Current: Constant 23mA

Dimensions:

4" x 4" x 1.4" (165mm x 29mm x 139mm)

Weight:

1.5 lbs (0.68kg)