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Grandstream GXW4504 E1/T1/J1 Digital VoIP Gateway

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Key Features
  • Supports T.38 Fax for creating Faxover-IP
  • Supports multilanguage voice promtps
  • Supports up to 120 concurrent calls

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SKU:GXW4504
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Grandstream GXW4504 E1/T1/J1 Digital VoIP Gateway

The Grandstream GXW4504 is a E1/T1/J1 Digital VoIP Gateway with 2 RJ45 port and 60 concurrent calls. The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks.

Grandstream GXW4504 Key Features

  • Dual Gigabit autosensing RJ45 network ports with integrated NAT router
  • TLS and SRTP security encryption technology to protect calls and accounts
  • Automated provisioning by HTTP/TFTP with XML config files
  • Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
  • Supports a widerange of voice codecs, including G.722, G.729, iLBC, and more
  • Supports T.38 Fax for creating Faxover-IP
  • Supports multilanguage voice promtps
  • Supports up to 120 concurrent calls


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 and the concurrent calls supported. 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.

Grandstream GXW4504 Technical Specifications

Interfaces

  • T1/E1/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 x USB 3.0, (1) SD card interface
  • LED Indicators: LAN, WAN, T1/E1/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 and Video Capabilities

  • Voice-over-Packet Capabilities: LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation, 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, Opus, iLBC, GSM-FR, 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 Passthrough, 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

Signalling and 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, HDLC, HDLC-ETH, PPP, Frame Relay (pending), IPv6, OpenVPN®
  • Status and statistic: Call status and history, device status monitoring and ISND 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, 1.5A
  • Physical & Dimensions: Unit Weight: x.xxx kg; Package Weight: x.xxx kg Unit Dimensions: 485mm(L) x 190mm(W) x 46mm (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, 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
  • Compliance: 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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