- TLS 1.2, Enhanced security for IP Endpoints in a local or cloud based environment- Enhanced acoustic echo canceler-Full-duplex voice operation-Supports SRST (Survivable Remote Site Telephony) in a Cisco environment-Streamlined case design-Network web management and firmware download-Network adjustable speaker volume-Concurrent SIP and multicast paging-Dry relay contact for auxiliary control-Door closure and tamper alert