Grand Stream Digital VoIP Gateway 2 x Gigabit ports, Faxover-IP,

up to 30 Concurrent calls \ GXW4501

The Grandstream GXW4501 Digital VoIP Gateway offers a seamless solution by connecting

digital T1/E1/PRI trunks to IP-based systems, supporting up to 30 concurrent SIP calls with superior reliability

and voice quality.

Overview

The GXW4501 is a high-performance digital VoIP gateway designed for enterprises, service providers,

and call centers looking to integrate digital PSTN lines with SIP-based VoIP infrastructure. With 2 Gigabit Ethernet ports, advanced voice codec support, and Fax-over-IP (T.38) capability, the GXW4501 offers flexibility, scalability, and secure performance in one compact solution.

Key Features

• T1/E1/PRI Digital Trunk Support: The GXW4501 supports one T1/E1/J1 interface, providing up to 30 concurrent SIP calls, making it suitable for medium to large-scale deployments.

• Dual Gigabit Ports: Ensures high-speed connectivity and reliable data flow between networks, ideal for bandwidth-intensive VoIP applications.

• Fax-over-IP Support: Compatible with T.38 and pass-through fax, enabling businesses to maintain fax functionality over IP networks.

• Broad Codec Support: Includes G.711, G.722, G.723, G.729, iLBC, and OPUS, ensuring high voice quality and interoperability with various systems.

• Secure & Encrypted: Supports TLS and SRTP encryption to protect calls and signaling data from security threats.

• Easy Management: Web-based GUI, auto-provisioning, and support for multiple SIP trunks simplify configuration and ongoing management.

• Failover and Load Balancing: Advanced routing capabilities ensure maximum uptime and consistent call quality.

Grand Stream Digital VoIP Gateway 2 x Gigabit ports, Faxover-IP,

• Enterprises: Integrate digital PBX systems with SIP trunks to reduce costs and modernize telephony.

• Service Providers: Offer digital-to-IP voice solutions for clients using legacy T1/E1 lines.

• Call Centers: Support high-volume SIP call traffic with advanced call handling features.

• Government & Financial Institutions: Secure, reliable gateway solution for regulated environments.

Benefits

• Cost Efficiency: Leverage existing digital trunk infrastructure while transitioning to VoIP.

• Scalability: Designed to grow with your business—expand lines and SIP accounts as needed.

• High Reliability: Built for 24/7 operation in demanding business environments.

• Interoperability: Compatible with most major IP PBXs, SIP platforms, and unified communication systems.

Conclusion

Grand Stream Digital VoIP Gateway 2 x Gigabit ports, Faxover-IP,

Digital VoIP Gateway is a powerful and flexible tool for businesses seeking to unify traditional telephony with modern IP voice systems. With support for up to 30 concurrent SIP calls, dual Gigabit Ethernet ports, and robust security features, the GXW4501 delivers the performance and reliability needed in today’s enterprise communications. Whether you’re a growing company or a service provider, the GXW4501 is engineered to keep your voice traffic smooth, secure, and future-ready