Office Electronics that Keep You Connected and Secure

My Cart

Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway

Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway

The Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway is an enterprise gateway designed to integrate digital PSTN and ISDN trunks with SIP-based VoIP networks. Featuring one configurable E1/T1/J1 span, support for 30 concurrent calls, dual Gigabit ports, advanced security, and flexible provisioning options, it provides a scalable solution for modernising business communications.

£1,650.00

Out of stock

The Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway is an enterprise-grade digital gateway designed to connect traditional PSTN and ISDN trunk lines with SIP-based VoIP networks. Featuring one software-configurable E1/T1/J1 span, the GXW4501 provides a practical solution for businesses looking to integrate legacy telephony infrastructure with modern IP communication systems. It is ideal for medium and large organisations, service providers, and businesses migrating from traditional telephony environments.

The GXW4501 supports up to 30 concurrent calls and integrates with traditional PBX systems and digital carriers using signalling protocols including PRI, SS7 and MFC R2. The gateway also includes dual Gigabit network interfaces, expandable storage options, advanced security, and support for a wide range of voice codecs.

Ideal For

  • Medium and large business environments
  • Service providers
  • Enterprise telephony systems
  • Branch office deployments
  • Existing PBX integrations
  • PSTN and ISDN migration projects
  • SIP trunk integration
  • Multi-site communications environments

Benefits

The GXW4501 allows organisations to preserve existing digital telephony investments while introducing modern SIP-based communication capabilities. This reduces migration costs and simplifies the transition to VoIP networks.

Its support for digital signalling standards and multiple codec options provides broad interoperability with a wide range of telephony platforms and service providers.

  • One software-configurable E1/T1/J1 span
  • Supports up to 30 concurrent calls
  • PRI, SS7 and MFC R2 signalling support
  • Dual Gigabit Ethernet ports
  • Integrated configurable NAT router
  • T.38 Fax-over-IP support
  • Two USB 3.0 ports
  • SD card interface for expandable storage
  • Wide voice codec support including Opus and G.722
  • Carrier-grade echo cancellation
  • TLS and SRTP security encryption
  • Automated provisioning via HTTP/TFTP with XML files
  • Multi-language voice prompts

Telephony Features

  • 1 × software-configurable E1/T1/J1 port
  • Supports PRI, SS7 and MFC R2 signalling
  • Supports up to 30 simultaneous calls
  • T.38 Fax-over-IP support
  • Multiple SIP profile support

Network Interfaces

  • Dual 10/100/1000Mbps Gigabit Ethernet ports
  • Switched or routed operation modes
  • Integrated NAT router functionality

Audio Features

  • Supports Opus, G.722, G.711, G.729, G.723, iLBC, G.726 and GSM-FR codecs
  • Carrier-grade 128ms line echo cancellation
  • Dynamic jitter buffer
  • Modem detection with automatic switching

Security

  • TLS and SRTP encryption
  • HTTPS secure management
  • Secure provisioning support

Management

  • Automated provisioning via HTTP/TFTP
  • XML configuration file support
  • Web-based management interface
  • Multi-language voice prompts

Physical

  • 128 × 32 graphic LCD display
  • LED indicators for LAN, WAN and E1/T1/J1 status
  • Reset button for reboot and factory reset
  • Two USB 3.0 ports
  • One SD card slot
  • Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway
  • Power Supply Unit (PSU)
  • Ethernet cable
  • Rack-mount brackets and mounting accessories
  • Quick installation guide
  • Warranty documentation

Next Day Delivery
For UK orders received before 1pm Monday to Friday, we operate a next business day delivery service, subject to availability. We use next day services from the leading delivery companies.

Specific Time Delivery
If you need an item urgently, or delivered at a specific time, please contact us.

Delivery Methods
We use several leading delivery companies. The majority of our deliveries are made by DPD, including most international orders.

Shipping prices are calculated during the checkout process. We deliver to almost every country. For international delivery services, we use DHL, a high quality, fast delivery service. Prices are provided based on the weight of the order; this is calculated when you reach the checkout.

For full shipping information please visit our shipping page.

Overview

The Grandstream GXW4501 E1/T1/J1 Digital VoIP Gateway is an enterprise-grade digital gateway designed to connect traditional PSTN and ISDN trunk lines with SIP-based VoIP networks. Featuring one software-configurable E1/T1/J1 span, the GXW4501 provides a practical solution for businesses looking to integrate legacy telephony infrastructure with modern IP communication systems. It is ideal for medium and large organisations, service providers, and businesses migrating from traditional telephony environments.

The GXW4501 supports up to 30 concurrent calls and integrates with traditional PBX systems and digital carriers using signalling protocols including PRI, SS7 and MFC R2. The gateway also includes dual Gigabit network interfaces, expandable storage options, advanced security, and support for a wide range of voice codecs.

Ideal For

  • Medium and large business environments
  • Service providers
  • Enterprise telephony systems
  • Branch office deployments
  • Existing PBX integrations
  • PSTN and ISDN migration projects
  • SIP trunk integration
  • Multi-site communications environments

Benefits

The GXW4501 allows organisations to preserve existing digital telephony investments while introducing modern SIP-based communication capabilities. This reduces migration costs and simplifies the transition to VoIP networks.

Its support for digital signalling standards and multiple codec options provides broad interoperability with a wide range of telephony platforms and service providers.

  • One software-configurable E1/T1/J1 span
  • Supports up to 30 concurrent calls
  • PRI, SS7 and MFC R2 signalling support
  • Dual Gigabit Ethernet ports
  • Integrated configurable NAT router
  • T.38 Fax-over-IP support
  • Two USB 3.0 ports
  • SD card interface for expandable storage
  • Wide voice codec support including Opus and G.722
  • Carrier-grade echo cancellation
  • TLS and SRTP security encryption
  • Automated provisioning via HTTP/TFTP with XML files
  • Multi-language voice prompts

Telephony Features

  • 1 × software-configurable E1/T1/J1 port
  • Supports PRI, SS7 and MFC R2 signalling
  • Supports up to 30 simultaneous calls
  • T.38 Fax-over-IP support
  • Multiple SIP profile support

Network Interfaces

  • Dual 10/100/1000Mbps Gigabit Ethernet ports
  • Switched or routed operation modes
  • Integrated NAT router functionality

Audio Features

  • Supports Opus, G.722, G.711, G.729, G.723, iLBC, G.726 and GSM-FR codecs
  • Carrier-grade 128ms line echo cancellation
  • Dynamic jitter buffer
  • Modem detection with automatic switching

Security

  • TLS and SRTP encryption
  • HTTPS secure management
  • Secure provisioning support

Management

  • Automated provisioning via HTTP/TFTP
  • XML configuration file support
  • Web-based management interface
  • Multi-language voice prompts

Physical

  • 128 × 32 graphic LCD display
  • LED indicators for LAN, WAN and E1/T1/J1 status
  • Reset button for reboot and factory reset
  • Two USB 3.0 ports
  • One SD card slot