Grandstream GS-GXW4504 4 Ports E1/T1/J1 Digital VoIP Gateway


Condition:     New (Factory Sealed)
Manufacturer:     Warranty: 3 Year
Refund Policy:     30 Days Return & Refund


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The Grandstream GXW4504 is a high-density analog VoIP gateway designed to seamlessly integrate traditional analog phones with IP networks. It serves as a bridge between analog telephony infrastructure and modern VoIP systems, offering businesses a cost-effective solution to upgrade their communication networks.

With support for four FXS ports, the GXW4504 enables the connection of analog devices like phones, fax machines, and modems to SIP-based VoIP networks. It features advanced voice codecs for clear audio transmission and supports a range of telephony features for enhanced functionality.


  • Ports: 4 FXS (RJ11)
  • Voice Codecs: G.711(a/u-law), G.722, G.726, G.729 A/B, iLBC, and more
  • Telephony Features: Caller ID, Call Waiting, 3-way conference, T.38 Fax Relay, and more
  • Network Interfaces: 1 10/100/1000 Mbps Ethernet port
  • Protocol Support: SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), and more
  • Security: TLS and SRTP encryption, HTTPS provisioning, and secure and automated provisioning using HTTPS
  • LED Indicators: Power, WAN, LAN, Phone Status
  • Power Supply: Output: 12VDC, 1.25A; Input: 100-240VAC, 50-60Hz
  • Dimensions (H x W x D): 1.75″ x 8.25″ x 8.25″
  • Weight: 2.05 lbs
  • Mounting: Desktop or wall mountable