The GXW4216 version 2 is part of Grandstream's 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 GXW4216 has 16 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments

16 FXS, 1 GigE, near HD quality audio

A single 10/100/1000Mbps auto-sensing RJ45 port

TLS and SRTP security with AES encryption technology to protect calls and accounts

Automated provisioning options include TR-069 and XML config files

Supports simultaneous 3-way voice conferencing per port

Failover SIP server feature automatically switches to secondary server if main server loses connection

Supports simultaneous T.38 or pass-through fax-over-IP per port

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

Supports secure cloud provisioning using Grandstream Device Management Service (GDMS) pending

Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722

Secure boot, unique certificate and random default password per device, dual firmware images