Grandstream GXW4504 4x E1/T1/J1 Digital VoIP Gateway

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. The GXW4500 series supports PRI, SS7 and MFC R2 digital signaling protocols and nearly all major voice codecs including Opus, G.722, G.711, G.729, G.723, iLBC, G.726, GSM-FR, etc. This digital VoIP gateway series includes dual Gigabit network ports with a configurable integrated NAT router, two USB 3.0 ports, and one SD card interface. By adding echo cancellation, jitter buffer, T.38 fax support, TLS and SRTP security encryption as well as automated provisioning by HTTP/TFTP with XML config files, the GXW4500 series is able to cater to the VoIP needs of large and medium enterprises.

• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
• Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
• Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more
• TLS and SRTP security encryption technology to protect calls and accounts
• Automated provisioning by HTTP/TFTP with XML config files
• Supports T.38 Fax for creating Fax-over-IP
• Supports multi- language voice prompts