- Support for security code access for SIP paging - Autoprovisioning via HTTPS - HTTPS web based configuration - 802.11q VLAN tagging - Configurable event generation for device health and status monitoring - 9 user-uploadable page messages - Line-in for background music - Line-out connector - DTMF controlled relay - Digital and manual volume control - Loud ringer - second SIP extension - 10 channel prioritized Multicast ports - Receives pages directly from Polycom phones - SIP and simultaneous Multicast - Direct 8 Ohm speaker drive - Auto-call voice message from input port sense - HTTP Command Interface - Built-in diagnostics - Delayed page support - buffer call - Cisco SRST