Digium 4 span digital T1/E1/J1/PRI PCI Express x1 card and hardware echo cancellation £2,214.95 inc. VAT
Digium 2 span digital T1/E1/J1/PRI PCI Express x1 card and hardware echo cancellation £958.79 inc. VAT
Digium 1 span digital T1/E1/J1/PRI PCI Express card with NO hardware echo cancellation £790.55 inc. VAT