Grandstream GXW4216 V2: 16 FXS VoIP Gateway with GigE & HD Audio

– 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