OpenVox EC4004 Hardware Echo Cancellation module for B200E/P

Model: EC4004Retail Price:  $80.00 Product DescriptionOpenVox EC4004 Hardware Echo Cancellation Module for OpenVox B200E/B200P Cards Features 128ms tail/channel (on all channel densities) Supports G.165 and G.168 standards Supports 4-channel echo cancellation No CPU load as a result of echo cancellation OpenVox B400E must be Version 1.2 or later; OpenVox B400P must be Version 4.0 or later. Warranty: 1 Year Limited Manufacturer Warranty   ..jeff..