TDM410 TDM410P 4 Ports asterisk Card,Analog card with 4 FXO + VPMADT032 Echo Cancellation Module PCI interface, HQ PCB, supports voip

Using TDM410P Asterisk software and standard PC hardware, one can create a telephony environment that includes all of the sophisticated features of a high-end business telephone system. Using an industry-standard bursting, bus-mastering interface chip that is found within millions of PC systems worldwide, and VoiceBus technology, the TDM410 eliminates the requirement for external gateways, with industry-leading performance and price. The trunk and station modules are interchangeable, allowing the creation of any combination of interfaces. The optional hardware echo cancellation module (VPMADT032) provides 1024 taps (128 milliseconds) of echo cancellation for superior voice quality on both trunk and station interfaces. Scaling of this solution is accomplished by adding additional TDM410 4 Port Analog 4 Ports for connecting analog telephones or POTS lines Half-length Analog Card Up to 4 FXS or FXO Modules High Performance Echo Cancellation (HPEC) Software (Optional) TDM410 for use with a PCI 2.2 compliant slot - Bundled with VPMADT032 as TDM410PE AEX410 for use with a PCI-express 1.0 compliant slot – Bundled with VPMADT032 as AEX410PE FXO port connects to PSTN line and the FXS port connects to the telephone. You can get any combination of FXO & FXS modules with the same price,no any additional cost.