- 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 Grandstream�s - UCM series of IP PBXs for Zero Configuration provisioning