Digium 8 port modular analogue PCI 3.3/5.0V card with 4 FXS and 4 FXO interfaces and HW Echo Can £1,114.55 inc. VAT
Digium 4 port modular analog PCI-Express x1 card with 2 FXS and 2 FXO interfaces and HW Echo Can £865.55 inc. VAT