SK Telecom and Nokia have announced joint development of “Mission-Critical Push-To-Talk (MCPTT) solution, which is a next-generation push-to-talk communications technology over VoLTE, and demonstrated the solution at Nokia's Research and Development Center in Kraków, Poland.
Nokia has been selected by the Korea Rail Network Authority (KRNA) as a supplier for the LTE-R mobile broadband network to support railway operations and employee services. The network will be deployed on a railway line between Wonju and Gangneung