The Grandstream GXW4504 is a high-capacity Digital VoIP Gateway designed to integrate traditional PBX systems or E1/T1/J1 providers with VoIP networks. Featuring 4 RJ45 ports and support for 120 concurrent calls, it significantly expands the number of PSTN/ISDN trunks available within a VoIP infrastructure, making it an excellent choice for businesses looking to enhance their communication capabilities.

The GXW4504 ensures seamless interoperability, supporting major digital signaling protocols (PRI, SS7, MFC R2) and a comprehensive 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, a configurable NAT router, two USB 3.0 ports, and an SD card interface for added flexibility.

With advanced features such as echo cancellation, jitter buffer, T.38 fax support, and strong security encryption. The GXW4504 is a powerful and scalable solution for medium to large enterprises seeking to optimize their VoIP communications.

Features

• Dual Gigabit auto-sensing RJ45 network ports with an integrated NAT router
• TLS and SRTP encryption for secure call protection and account security
• Automated provisioning via HTTP/TFTP with XML configuration files
• Software-configurable E1/T1/J1 ports, supporting PRI, SS7, and MFC R2 protocols
• Wide codec support, 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 user experience
• Handles up to 120 concurrent calls for high volume communications

QUICK LINKS

Grandstream GXW4502 E1/T1/J1 Digital VoIP Gateway