- Supports 2 SIP profiles through 2 FXS ports 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. - Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning.