- 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 Number of Ethernet Ports: 1 Number of FXS Ports: 16+ Wall or Rack Mountable: Rack Color: Black