VoIPCortex IP PBX solutions - open, scalable, accessible, feature-laden telephony for SMEs and enterprise Home Why VoIP? IP PBX functionality VoIP Checklist What is VoIP? Contact open - scalable - accessible - feature-laden Voice over IP telephony from ipcortex, in partnership with KCS Solutions KCS Solutions, Unit 2, Heron Business Park, Eastman Way, Hemel Hempstead, HP2 7DU. Tel: 01442 251514 ©Copyright IP Cortex Ltd 2008.