The Grandstream GXW4502 is a high-performance Digital VoIP Gateway designed to integrate traditional PBX systems or E1/T1/J1 providers with VoIP networks. With dual RJ45 ports and support for 60 concurrent calls, this gateway significantly increases the number of PSTN/ISDN trunks available. This makes it an ideal solution for businesses looking to expand and modernize their communications infrastructure.

The GXW4502 ensures seamless interoperability, supporting major digital signaling protocols (PRI, SS7, MFC R2) and an extensive range of voice codecs (Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR, etc.). It features dual Gigabit network ports, an integrated NAT router, two USB 3.0 ports, and an SD card interface for enhanced flexibility.

With advanced functionalities such as echo cancellation, jitter buffer, T.38 fax support, and robust security encryption. The GXW4502 is an ideal solution for medium and large enterprises seeking a reliable and scalable VoIP gateway.

Features

• Dual Gigabit auto-sensing RJ45 network ports with an integrated NAT router
• TLS and SRTP encryption for secure calls and account protection
• Automated provisioning via HTTP/TFTP with XML configuration files
• Software-configurable E1/T1/J1 ports with support for PRI, SS7, and MFC R2 protocols
• Wide codec compatibility, including G.722, G.729, iLBC, Opus, and more
• T.38 Fax support for reliable Fax-over-IP transmission
• Multi-language voice prompts for enhanced usability
• Handles up to 60 concurrent calls efficiently

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