Digium 4 port modular analog PCI-Express x1 card with 2 FXS and 2 FXO interfaces and HW Echo Can £865.55 inc. VAT
Netgear ProSAFE 24 Port PoE Smart Rackmount Gigabit PoE+ Switch w/ 2 x 1Gbps SFP Ports (190W) £404.27 inc. VAT