Zoom 5800 Voice over IP Telephone Adapter

Zoom 5800 Voice over IP Telephone Adapter -Contains both FXS and FXO ports; supports bridging and cell phone VoIP access.
-Clear, natural-sounding voice quality Zoom's Teleport feature allows automatic access to public phone network for emergency services like E911 and 112 calling.
-Uses industry-standard Session Initiation Protocol (SIP).
-Supports Quality of Service (QOS).
-Supports advanced telephone services including CLASS features.
-Includes the Chooser, a Web based service that allows easy one-click configuration of the Model 5800 with dozens of VoIP phone services.
-Includes Free VoIP to VoIP calling with Global Village VoIP service.
-Configurable for use with other VoIP services not in the Chooser utility.
-Proven compatibility with SIP-standard servers from Asterisk, Cisco, NetCentrix, Quintum and more.