Grandstream E1/T1/J1 Digital VoIP Gateway

The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecting the GXW4500 series with a VoIP network and a traditional PBX or E1/ T1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network. The GXW4500 series offers three models that provide 1, 2 or 4 E1/T1/J1 spans and support 30, 60 or 120 concurrent calls to cater to the VoIP needs of large and medium sized enterprises.

• Dual Gigabit autosensing RJ45 network ports with integrated NAT router
• TLS and SRTP security encryption technology to protect calls and accounts
• Supports a widerange of voice codecs, including G.722, G.729, iLBC, and more
• Supports T.38 Fax for creating Faxover-IP
• Supports multilanguage voice promtps
• Supports up to 120 concurrent calls