Digium 4 span digital T1/E1/J1/PRI PCI Express x1 card and hardware echo cancellation £2,244.95 inc. VAT
Digium 2 span digital T1/E1/J1/PRI PCI Express x1 card and hardware echo cancellation £971.75 inc. VAT
Digium 1 span digital T1/E1/J1/PRI PCI Express card with NO hardware echo cancellation £801.23 inc. VAT