Inshore lifeboat launched at 2220 to small inflatable dinghy with 2 occupants, broken down and drifting off Gillingham. ILB in area, but nothing seen, ILB contacted the craft directly by mobile phone and location determined, ILB on scene at 2305, craft close inshore just upstream of Kingsnorth jetty. Both occupants okay, taken onboard the ILB and dinghy towed back to Gillingham Pier. ILB returned to station at 0005. SW 3.