User's Manual

FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 7 OF 56
WELCOME
Thank you for purchasing the Grandstream GXW4248 Analog FXS IP Gateway. The GXW4248 offers an
easy to manage, easy to configure IP communications solution for any business with virtual and/or branch
locations. The GXW4248 supports popular voice codecs and is designed for full SIP compatibility and
interoperability with third party SIP providers, thus enabling you to fully leverage the benefits of VoIP
technology, integrate a traditional phone system into a VoIP network, and efficiently manage
communication costs.
This manual will help you learn how to operate and manage your GXW FXS Analog IP Gateway and
make the best use of its many upgraded features including simple and quick installation, multi-party
conferencing, and direct IP-IP Calling. This IP Analog Gateway is very easy to manage and scalable,
specifically designed to be an easy to use and affordable VoIP solution for the small – medium business
or enterprise.
GATEWAY GXW4248 OVERVIEW
The new GXW4248 has a compact and quiet design and offers superb audio quality, rich feature
functionality, strong security protection, and good manageability. It is auto-configurable, remotely
manageable and scalable.
The GXW4248 features 48 port FXS interface for analog telephones, dual 10/100/1000Mbps network
ports, and RJ21 analog port. In addition, it supports the option of 4 SIP Server profiles, caller ID for
various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), comprehensive
voice codec including G.711 (a/u-law), G.723.1, G.726(16/24/32/40 bit rates), iLBC and G.729.
SAFETY COMPLIANCE
The GXW4248 is compliant with various safety standards including FCC/CE. Its power adapter is
compliant with UL standard. Warning: use only the power adapter included in the GXW4248 package.
Use of alternative power adapter may permanently damage the unit.
WARRANTY
Grandstream has a reseller agreement with our reseller customers. End users should contact the
company from whom the product was purchased, for replacement, repair or refund.