Supports 2 SIP profiles through 2 FXS ports and a single 10/100 Mbps 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 Allows users to convert analog phones to IP technology for advanced VoIP functionality, security protection, and auto provisioning options Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port 3-way conferencing Automated provisioning options Fax over IP options Supports a wide range of caller ID formats