grandstream GXW4500 User Manual

E1/T1/J1 Digital VoIP Gateway

GXW4500 Series

The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated
with VoIP networks. By connecting the GXW4500 series with a VoIP network and a traditional PBX or E1/
T1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP

network. The GXW4500 series oers three models that provide 1, 2 or 4 E1/T1/J1 spans and support 30, 60 or
120 concurrent calls to cater to the VoIP needs of large and medium sized enterprises.

Dual Gigabit auto-

sensing RJ45 network

ports with integrated
NAT router

Supports a wide­range of voice
codecs, including

G.722, G.729, iLBC,

and more

TLS and SRTP
security encryption
technology to
protect calls and
accounts

Supports T.38 Fax
for creating Fax-

over-IP

www.grandstream.com

Automated
provisioning by
HTTP/TFTP with

XML cong les

Supports multi­language voice
promtps

Software

congurable
E1/T1/J1 ports,

support PRI, SS7,

MFC R2

Supports up to

120 concurrent

calls

Interfaces

E1/T1/J1 Interface 1/2/4 RJ45 ports, supporting up to 30/60/120 simultaneous VoIP calls

Network Interfaces Dual self-adaptive Gigabit ports (switched or routed)

Peripheral Ports (2) USB 3.0, (1) SD card interface

LED Indicators LAN, WAN, E1/T1/J1

LCD Display 128x32 dot matrix graphic LCD with DOWN and OK buttons

Reset Switch Yes, long press for factory reset and short press for reboot

Voice & Video Capabilities

Voice-over-Packet Capabilities

Voice and Fax Codecs G.711 A-law/U-law, G.722, G.723.1 5.3K/6.3K, G.726, G.729A/B, iLBC, AAL2-G.726-32

Fax over IP

Voice-quality Enhancement Echo cancellation (G.168-2004), Jitter buer, Silence suppression (VAD, CNG), PLC

Signaling & Control

DTMF Methods In-band audio, RFC2833, and SIP INFO

Digital Signaling

Upgrade Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload

Device Management

Network Protocols

Status and statistic Call status and history, device status monitoring and ISDN status monitoring

Security

Media Encryption SRTP, TLS, HTTPS, SSH, 802.1X

User-dened ports SIP port, RTP port, HTTP/HTTPS port

LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation,
Dynamic Jitter Buer, Modem detection & auto-switch to G.711

T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Passthrough, Fax
data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay

QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiServ, MPLS) QoS

SIP (RFC 3261) over UDP/TCP/TLS, PRI, SS7, MFC R2, RBS (pending)
PRI switch types: Euro ISDN, nation, Q.SIG
CAS: MFC R2 (Argentina, Brazil, China, Czech Republic, Colombia, Ecuador, Indonesia, ITU, Mexico,
Philippines, Venezuela)
SS7: ITU, ANSI, China

Syslog, HTTPS, Web browser, voice prompt, TR-069 management, backup and restore, port capture

and packet capture

TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN,
SRTP, TLS, LDAP, PPP, Frame Relay (pending), IPv6, OpenVPN®

Advanced Defense Fail2ban, alert events, Whitelist, Blacklist, strong password based access control

Physical

Universal Power Supply Input: 100 ~ 240VAC, 50/60Hz; Output: DC+12V, 2A

GXW4501: Unit Weight: 2,350g; Package Weight: 3130g

Physical & Dimensions

Temperature and Humidity

Mounting Rack mount & Desktop

Additional Features

Multi-Language Support

Compliance

GXW4502: Unit Weight: 2360g; Package Weight: 3140g
GXW4504: Unit Weight: 2380g; Package Weight: 3160g
Unit Dimensions: 485mm(L) x 191mm(W) x 46.2mm (H)

Operating: 32 - 113ºF / 0 ~ 45ºC, Humidity 10 - 90% (non-condensing)
Storage: 14 - 140ºF / -10 ~ 60ºC, Humidity 10 - 90% (non-condensing)

Web UI: English, Simplied Chinese, Traditional Chinese, Spanish, French, Portuguese, German,
Russian, Italian, Polish, Czech;
Customizable IVR/voice prompts: English, Chinese, British English, German, Spanish, Greek, French,
Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic;
Customizable language pack to support any other languages

FCC: Part 15 (CFR 47) Class B, Part 68
CE: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, TBR21, RoHS
RCM: AS/NZS CISPR 22, AS/NZS CISPR 24, AS/NZS 60950, AS/ACIF S002
ITU-T K.21 (Basic Level); UL 60950 (power adapter)
T1: TIA-968-B Section 5.2.4
E1: TBR4/TBR12/TBR13, E1: AS/ACIF

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