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GXW4500 Series

E1/T1/J1 Digital VoIP Gateway
The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks.

  • Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
  • Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
  • Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more
  • TLS and SRTP security encryption technology to protect calls and accounts
  • Automated provisioning by HTTP/TFTP with XML config files
  • Supports T.38 Fax for creating Fax-over-IP
  • Supports multi- language voice prompts

Grandstream Device Management System

GDMS provides a FREE centralized interface to provision, manage, monitor and troubleshoot Grandstream products, including device management, account management, device configuration, firmware upgrades, device monitoring, intelligent alarm, and statistical analysis, individually or in batches of devices by site, group and model. This powerful cloud management platform adds robust security features to protect enterprise networks, including bank-grade TLS encryption from end-to-end, two-factor login authentication to protect your data security, two-way certificate verification and encryption of all device information. By offering a centralized, secure and zero-touch management for Grandstream endpoints, GDMS is ideal for enterprises, service providers and multi-site businesses as it allows them to easily deploy and manage large networks of Grandstream solutions. Visit gdms.cloud to sign up for free today!

Android and iOS mobile users can access the GDMS mobile app from any device by downloading for free through the app store, or get it on google play.

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Related Products



  • Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
  • High-performance NAT router
  • Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
  • 3-way voice conferencing per port
  • Automated & secure provisioning options using TR069
  • Supports T.38 Fax for reliable Fax-over-IP
  • Failover SIP server automatically switches to secondary server if the main server loses connection
  • Strong AES encryption with security certificate per unit

  • 16/24/32 FXS ports, GXW4248 includes 2 50-pin Telco connectors
  • 1 Gigabit network port
  • 132x48 backlit graphic display with support for multiples languages
  • 4 SIP server profiles per system, independent SIP account per port
  • Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
  • Advanced security protection with SRTP/TLS/HTTPS

  • 4 or 8 ports
  • 2 10/100 Mbps network ports
  • Comprehensive codec support, caller ID, flexible dial plans and security protection
  • Advanced security protection with SRTP
  • Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
  • PSTN Failover on power failure