Grandstream Networks GXW400x User Manual

Page 10

Grandstream Networks, Inc.

GXW-400x User Manual

Page 10 of 39

Firmware 1.0.0.39

Last Updated: 5/2007

ABLE

GXW–400

OFTWARE

EATURES

GXW– 400x FXS Analog Gateway Series

Telephone Interfaces

GXW-4004: 4 ports, 4 SIP accounts & choice of 2 profiles

GXW-4008: 8 ports, 8 SIP accounts & choice of 2 profiles

FXS, RJ-11

Network Interface

Two (2) 10M/100 Mbps, RJ-45

LED Indicators

Power and Line LEDs

Voice over Packet
Capabilities

Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC
(packet loss concealment), AEC with NLP,
Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol),
G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem detection
& auto-switch to G.711

PSTN Fail-over

PSTN failover port on power failure

Voice Compression

G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder,
G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729A/B/E, iLBC
G.726 provides proprietary VAD, CNG, and signal power estimation
Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock
synchronization), AGC (automatic gain control),
Status output, Decoder controlling via voice packet header

DHCP Server/Client

Yes, NAT Router or Switched Mode

Fax over IP

T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711
for Fax Pass-through,
Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay

QoS

Diffserve, TOS, 802.1 P/Q VLAN tagging

IP Transport

RTP/RTCP

DTMF Method

flexible DTMF transmission method, User interface of In-audio, RFC2833,
and/or SIP Info

IP Signaling

SIP (RFC 3261)

Provisioning

TFTP, HTTP, HTTPS (pending)

Control

TLS/SIPS

Management

Syslog support, HTTPS (pending), Telnet, remote management using Web
browser

Dial Plan

Yes

UPnP Support

Yes

Power

Output: 12VDC / Input: 100–240 VAC/50-60 Hz

Mounting

Rack mount, Wall mount, Desktop

Short and long haul

REN3: Up to150 ft on 24 AWG line

Caller ID

Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID

Polarity Reversal /
Wink

Yes

EMC

EN55022/EN55024 and FCC part15 Class B

Safety