Avaya Phone Systems Showing all 3 results Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by Name: Alphabetical Avaya IP400 Rack Mount £5.10 £4.25 Ex. VAT Accessories,Phone SystemBuy Now Avaya IP500 Rack Mount £105.00 £87.50 Ex. VAT Accessories,Phone SystemCall to Order Avaya IP400 Phone System + 4 Extensions £249.50 £207.92 Ex. VAT Phone System,System ChassisCall to Order