network components were based on DX 200 platform. In 2005, DX 200 based VoIP server was provided to Finnish operator Saunalahti, providing state of the art fixed-mobile convergence solution. This is a prime example on how well DX 200 is suitable for internet server development and the overall flexibility of the whole DX 200 platform. In 2009, world's first voice calls in LTE networks using commercial, 3GPP-standardized user and network equipment. In 2013, NSN showed its truly operational telco cloud solution. That actually marks the end of the traditional DX200 hardware product line. References DX 200 Telephone exchange equipment