The Grandstream GXW4502 is a E1/T1/J1 Digital VoIP Gateway with 2 RJ45 port and 60 concurrent calls. The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks.

Grandstream GXW4502 Key Features

• Dual Gigabit autosensing RJ45 network ports with integrated NAT router

• TLS and SRTP security encryption technology to protect calls and accounts

• Automated provisioning by HTTP/TFTP with XML config files

• Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2

• Supports a wide range of voice codecs, including G.722, G.729, iLBC, and more

• Supports T.38 Fax for creating Fax over-IP

• Supports multi language voice prompts

• Supports up to 120 concurrent calls

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 and the concurrent calls supported. 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.