Data sheet

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 oers 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 auto-
sensing 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 cong les
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
promtps
www.grandstream.com
GXW4500 Series
Software
congurable
E1/T1/J1 ports,
support PRI, SS7,
MFC R2
Supports up to
120 concurrent
calls