Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, BlackSupports 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 Grandstreams UCM