The TDM410P is an 4-port analog telephony interface card with option slot for echo cancellation module
Digium TDM410B, TDM410P Analog PCI Card with1 FXS, 0 FXO, 0 Echo Cancellation Module
Digium TDM420B, TDM410P Analog PCI Card with2 FXS, 0 FXO, 0 Echo Cancellation Module
Digium TDM430B, TDM410P Analog PCI Card with3 FXS, 0 FXO, 0 Echo Cancellation Module
Digium TDM440B, TDM410P Analog PCI Card with4 FXS, 0 FXO, 0 Echo Cancellation Module
Digium Analog TDM PCI Card
TDM401E Bundle1 FXS 0 FXOHardware Echo Cancellation
TDM401E Bundle2 FXS 0 FXOHardware Echo Cancellation
TDM401E Bundle3 FXS 0 FXOHardware Echo Cancellation
TDM401E Bundle4 FXS 0 FXOHardware Echo Cancellation
The TDM410P Base Card for Analog lines
Provides the capability of connecting to hardware-based echo cancellation module VPMADT032
The FXS module allows the Digium TDM400P card to terminate analog telephones
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Digium Analog Echo Cancellation Module for: