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Long-standing support for voice-over IP systems! Call Us! (888) 220-0078

Redstone RGW420-2FXO Port Analog VoIP Gateway

Original price $110.00 - Original price $110.00
Original price
$110.00 - $110.00
Current price $110.00

Developed for low-port-count applications, such as fax-terminal connectivity, small businesses, SOHO, and residential IP-telephony applications, the RGW4 analog VoIP gateway is integrated VoIP-FoIP devices that provide reliable and cost-efficient access methods for deploying converged communication solutions for network operators and enterprises. The RGW4 is designed as a compact unit with 2, or 4 FXS/FXO ports, 1 WAN port and 1 PC port (both are 10/100/1000Mbps Ethernet ports), which allows users to apply it as an All-in-One system capable of providing versatile solutions by connecting analog phone, fax and POS machine, IP telephony and PSTN.


  • FXS Ports: 0
  • FXO Ports: 2
  • 2 Giga ETH
  • IMS/SIP/MGCP protocols
  • Unequalled configurability of FXS and FXO ports
  • L2TP/OpenVPN client
  • 500 routing and number-manipulation rules
  • Configurable SIP ports and IP-address whitelist
  • High-speed fax with maximum rate of 33,600 bps by T.38 or G.711 pass-through
  • Polarity-reversal/busy-tone detection
  • High availability & PSTN failover
  • Auto provisioning
  • Remote access via the Redstone Cloud*
  • Management with the Redstone or third-party Remote Device Management Systems (TR-069, SNMP)
  • Interoperability with popular SIP servers, such as Cisco CallManager/CUCM, Broadsoft, Microsoft Skype for Business (Lync), and Asterisk/Elastix
  • Class I lightning protection
  • SKU No: RGW420-2FXO


FXS/FXO:  2-4
E1/T1:  NA
Max. concurrent calls:  4
Size: 30x150x109mm

RGW4 Datasheet