SK Telecom, Nokia Demo Next Gen Push-to-Talk Solution Over VoLTE

SK Telecom, Nokia Demo Next Gen Push-to-Talk Solution Over VoLTE Image Credit: Sk Telecom

SK Telecom and Nokia have jointly developed what they claim as the world’s first Mission-Critical Push-To-Talk (MCPTT) solution, which is a next-generation push-to-talk communications technology over VoLTE. The companies demonstrated the solution at Nokia's Research and Development Center in Kraków, Poland.

SK Telecom plans to utilize the MCPTT solution for Public Safety-LTE (PS-LTE) and LTE-Railroad (LTE-R) in Korea and also expects to expand its reach to countries that are currently promoting the public safety network projects such as the United States and Great Britain.

As the standard for mission-critical-voice functionality over LTE adopted by the 3GPP standards body, MCPTT enables efficient communication among hundreds of rescue workers by using a dedicated channel at times of massive disasters.

Unlike the existing IP-based push-to-talk, which is heavily affected by the number of users on the same network, MCPTT ensures high-quality communications as it uses the VoLTE network and supports a stable group communications service - even when there is a surge in users - through the application of Group Communication System Enabler (GCSE) based on evolved Multimedia Broadcast Multicast Service (eMBMS). GCSE is an eMBMS-based group communication technology adopted by 3GPP. eMBMS is a technology that can transmit large-volume multimedia content to massive users at once over wireless LTE network.

Shim Sang-soo, SVP & Head of Infra Business Promotion Office
For the first time in the world, SK Telecom and Nokia have successfully developed MCPTT, the core solution for public safety networks. SK Telecom will continue to contribute to the successful completion of the public safety network project in Korea, while actively seeking new business opportunities in the global market.

Ray is a news editor at The Fast Mode, bringing with him more than 10 years of experience in the wireless industry.

For tips and feedback, email Ray at ray.sharma(at)thefastmode.com, or reach him on LinkedIn @raysharma10, Facebook @1RaySharma

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