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 widerange of voice codecs, including G.722, G.729, iLBC, and more
Supports T.38 Fax for creating Faxover-IP
Supports multilanguage 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.