United States, Feb. 4 -- AT&T is extending its voice core relationship with Nokia in a multi-year expansion deal that will support the U.S. operator in delivering on its vision of securely providing customer-focused networks and automation that drive new services, faster deployment times, and operational efficiencies.AT&T is evolving its current Nokia IMS Voice Core to include Voice over New Radio (VoNR). The updated IMS Voice Core is a fully cloud-native architecture that enables flexible scaling and increased automation to improve AT&T's time to market with new services and yield greater cost savings. The U.S. operator will utilize Nokia's voice core applications through the Nokia Cloud Platform (NCP) to streamline network activities, enh...