# Grandstream GXW4504 with 4 E1/T1/J1 Span Digital VoIP Gateway

- Canonical URL: https://www.netxl.com/ip-hardware-pbx/grandstream-gxw4504-e1-t1-j1-digital-voip-gateway/
- Brand: Grandstream
- SKU / part number: GXW4504
- EAN (GTIN-13): 6947273702795
- Category: IP Hardware PBX (https://www.netxl.com/ip-hardware-pbx/)

## Pricing (GBP, guest pricing — trade customers see account pricing via the API)
| Quantity | ex VAT | inc VAT |
| --- | --- | --- |
| 1+ | £2520.41 | £3024.49 |
| 5+ | £2184.75 | £2621.70 |
| 10+ | £1849.09 | £2218.91 |

## Availability and shipping
- Availability: Out of stock
- Shipping: Royal Mail Tracked - Next Working Day — £8.99, 1 working day(s)
- This product is end of life

## Description

The Grandstream GXW4504 is a E1/T1/J1 Digital VoIP Gateway with 4 RJ45 ports and 120 simultaneous VoIP calls. The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks.

By connecting the GXW4500 series 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 and the concurrent calls supported. The GXW4500 series offers three models that provide 1, 2 or 4 T1/E1/J1 spans and support 30, 60 or 120 concurrent calls to cater to the VoIP needs of large and medium-sized enterprises. Please also see GXW4501 and GXW4502

## Key highlights

- 4 RJ45 ports, supporting up to 120 simultaneous VoIP calls
- Dual self-adaptive Gigabit ports
- (2) USB 3.0, (1) SD card interface
- LAN, WAN, E1/T1/J1
- Call status and history, device status monitoring and ISDN status monitoring
- Supports multi-language voice prompts
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of voice codecs, including G.722, G.729, iLBC, and more
- Software configurable E1/T1/J1 ports, support PRI, SS7, MFC R2
- Automated provisioning by HTTP/TFTP with XML config files
- TLS and SRTP security encryption technology to protect calls and accounts

## Documents

- [Grandstream GXW4504 Datasheet](https://www.netxl.com/grandstream/docs/grandstream-gxw4504-datasheet.pdf)
- [Grandstream GXW4505 User Manual](https://www.netxl.com/grandstream/docs/grandstream-gxw4505-user-manual.pdf)

## Programmatic access

- This page in HTML: append a trailing slash instead of `.md`
- NetXL Customer API (real-time customer pricing, stock, ordering): https://api.netxl.com — OpenAPI at https://api.netxl.com/openapi.yaml
- MCP server for AI agents: https://mcp.netxl.com
- Machine-readable site index: https://www.netxl.com/llms.txt
- API documentation: https://www.netxl.com/api-docs.md