2x E1 60 channels PCI board with hardware echo cancellation EC100-64 module
2x E1 60 channels PCIe board with hardware echo cancellation EC100-64 module
2x E1 60 channels PCI board without hardware echo cancellation
Four (4) span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
Two (2) span digital T1/E1/J1/PRI PCI-Express x1 card and hardware echo cancellation
Four (4) span digital T1/E1/J1/PRI PCI-Express x1 card and hardware echo cancellation
Two (2) span digital T1/E1/J1/PRI PCI 5.0V card and hardware echo cancellation
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