- 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-