Grandstream Networks, Inc.
Analog IP Gateway GXW-400X
4 or 8 FXS Ports

The GXW400X offers an easy to manage, easy to configure IP communications solution for any business with virtual and/or branch locations. The GXW400X 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.