"We have demonstrated the future of voice calls," said Lundmark, who was also present in the room when the first 2G call was made in 1991.
Reliance Jio will be able to offer cutting-edge 5G services on the network, including network slicing, ultra-low latency, and large machine-to-machine interactions.
Nokia CEO Pekka Lundmark added that people would prefer devices such as smart glasses and those worn on the face to smartphones.
It added that Suri, Nokia's current President and CEO, had indicated to the board earlier that he was considering stepping down from his role at some point in the future, provided a solid succession plan was in place.