The GXW4200 high-density FXS gateway series enables businesses of all sizes to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications and takes advantage of Gigabit speeds while preserving investment on existing analog phones, fax machines and legacy PBX systems. The GXW4200 series includes 16\/24\/32\/48 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments.

A single 10\/100\/1000Mbps auto-sensing RJ45 port
TLS and SRTP security encryption technology to protect calls and accounts
Automated provisioning options include TR-069 and XML config files
Supports 3-way voice conferencing
Failover SIP server feature automatically switches to secondary server if main server loses connection
Supports T.38 Fax for creating Faxover-IP
Supports a wide range of caller ID formats
Use with Grandstream's UCM series of IP PBXs for Zero Configruartion provisioning
Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage promtps, flexible dial plan and more