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Grandstream Gateways enable businesses to create seamless office environments, integrate traditional phone systems into a VoIP network and efficiently manage communication costs. The GXW Series is designed for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments.


  • 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

  • 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

  • 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