The Grandstream GXW4504 E1/T1 Digital VoIP Gateway allows digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecting the Grandstream GXW4504 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.

Features

• 4x E1/T1/J1 RJ45 port supporting up to 120 simultaneous VoIP calls
• 128x32 dot matrix graphic LCD Display with DOWN and OK buttons
• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
• Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
• 2x USB Ports
• 1x SD Card Interface
• Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more
• Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD, CNG), PLC
• 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

System Compatibility

• Compatible with a wide variety of open-source PBX systems or Hosted Cloud Solutions (Vonage Business, Ring Central, Nextiva, 8x8, etc).
• Also compatible with 3CX, Asterisk, Broadsoft, and Genesys platforms
• Check with your VoIP service provider for compatibility confirmation

Package Contents

• GXW4504 Gateway
• Ethernet Cable
• Rack Mount
• 12V Power Supply

Download Links

• Grandstream GXW4504 VoIP Gateway Datasheet