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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 increa
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/J1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network. The GXW4500 series offers three models that provide 1, 2 or 4 T1/E1/J1 spans and support 30, 60 or 120 concurrent calls to cater to the VoIP needs of large and medium sized enterprises.
The GXW4500 series supports PRI, SS7 and MFC R2 digital signaling protocols and nearly all major voice codecs including Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR, etc. This digital VoIP gateway series includes dual Gigabit network ports with a configurable integrated NAT router, two USB 3.0 ports, and one SD card interface. By adding echo cancellation, jitter buffer, T.38 fax support, TLS and SRTP security encryption as well as automated provisioning by HTTP/TFTP with XML config files, the GXW4500 series is able to cater to the VoIP needs of large and medium enterprises.
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Interface |
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 LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancel |
lation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711 |
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 T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass |
through, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay |
Voice-quality Enhancement Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD, CNG), PLC |
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
Signaling & Control |
DTMF Methods In-band audio, RFC2833, and SIP INFO |
Digital Signaling |
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 |
Upgrade Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload |
Device Management Syslog, HTTPS, Web browser, voice prompt, TR-069 management, backup and restore, port |
capture and packet capture |
Network Protocols 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® |
Status and statistic Call status and history, device status monitoring and ISDN status monitoring |
Security |
Media Encryption SRTP, TLS, HTTPS, SSH, 802.1X |
User-defined ports SIP port, RTP port, HTTP/HTTPS port |
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 |
Physical & Dimensions |
GXW4501: Unit Weight: 2,350g; Package Weight: 3130g |
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) |
Temperature and Humidity Operating: 32 - 113ºF / 0 ~ 45ºC, Humidity 10 - 90% (non-condensing) |
Storage: 14 - 140ºF / -10 ~ 60ºC, Humidity 10 - 90% (non-condensing) |
Mounting Rack mount & Desktop |
Additional Features |
Multi-Language Support |
Web UI: English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, Ger |
man, 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 |
Compliance |
FCC |
47 C.F.R FCC Part 15 Class B |
47 C.F.R FCC Part 68 (TIA-968-B Section 5.2.4 (T1+ISDN)) |
CE |
EN 55032,EN 55035,EN 61000-3-2,EN 61000-3-3,EN 60950-1,TBR 4 (E1+ISDN),TBR 12 |
(E1),TBR 13 (E1+ISDN) |
RCM |
AS/NZS CISPR 32,AS/NZS 61000.3.2,AS/NZS 61000.3.3,AS/NZS 60950.1,AS/ACIF |
S016(E1),AS/ACIF S038(E1+ISDN) |
Other |
ITU K.21 (Enhanced Levels); UL 60950-1 (Power adapter) |