Patton offers its Carrier customers fully interoperable and pre-qualified integrated solutions. Patton's interoperability program extends beyond the lab, certifying Softswitch vendors when interoperability is both lab tested and demonstrated in live Carrier deployments. The follow list of Softswitch products have been certified by Patton, as well as other Carriers, for inter-operability with Patton's SmartNode and SmartLink Voice Over IP Gateways, Routers and Multi-Media Gateway Products.