Features * 1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with power-outage life line support, * Up to 2 SIP account profiles, SIP over TCP/TLS, SRTP * Dual 10/100 Mbps network ports (RJ45) with integrated high performance NAT router * Status LED for power, telephone, PSTN line, network, and message waiting indication * Advanced telephony features o caller ID from both IP and PSTN, o call waiting, 3-way conference with IP and/or PSTN, o remote call origination and termination from/to PSTN, o hop-on and hop-off calling, o transfer to OR forward to IP or PSTN, o do not disturb, o message waiting indication, o multi-language voice prompts, o flexible dial plan, direct IP calling * Comprehensive voice codecs * Secure and automated provisioning using HTTP/HTTPS/Telnet/TFTP * Symmetric and asymmetric voice codec/RTP in any call sessions * T.38 Fax * SIP over TCP/TLS Benefits * IP connectivity for any phone and fax * Hop-on/Hop-off calling * Web management for easy configuration and installation * Offers traditional and advanced telephony features * Portable and compact for use at home or on the road