`- Supports 1 SIP profile through a single FXS port and a single 10/100Mbps port- TLS and SRTP security encryption technology to protect calls and accounts- Automated provisioning options include TR-069 and XML config files- Supports 3-way voice conferencing- Failover SIP server automatically switches to secondary server if main server loses connection- Supports T.38 Fax for creating Fax-over-IP- Supports a wide range of caller ID formats call transfer forward hold do not disturb and more- Use with Gran