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Digium AEX2403E is a modular telephony card that connects analog phone lines to Asterisk-based IP phone systems. This model combines an AEX2400 base card with three X400M FXO modules and a VPMOCT032 echo-cancellation module. The card is a cost-effective and scalable solution for reducing infrastructure like gateways, while integrating analog phones with your VoIP system.
Digium AEX2400 is a base card with room for six FXO/FXS modules in total, so you can add further FXO or FXS port modules to customize the card to fit your phone system. It is a full-length PCI Express card. Digium X400M is a quad FXO module that provides four trunk line interfaces to connect to the PSTN. Digium VPMOCT032 is a hardware echo-cancelling module that is G.168 compliant.
Digium AEX2403E comes with a 5-year manufacturer warranty.