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Head of IMS development at SK Telecom
Wooyong Choi is the Head of NFV Development in SK Telecom. He started to work for SK Telecom in 1997 joining Iridium technical team where he worked on Iridium messaging/data system and service development. In 1999, he moved to the Network R&D Center working on IMT-2000 packet core network systems/services development and All-IP network research.
From 2001, he has concentrated on the IMS-related R&D works and standardization activities in 3GPP and 3GPP2. He led the world first IMS commercial launch in 2004 and has been leading the development of IMS systems/services and evolution strategy. He was the chairman of the Korean Mobile IM initiative for the Mobile IM service interoperability standardization, and he led the technical standardization and interworking tests for the commercial launch in 2009. He was also the chairman of the Korean RCS service interoperability initiative between Korean operators and led the world-first nationwide commercial launch in 2012, which was the fully interoperable way between 3 Korean operators. And, he led development of the world-first nationwide commercial launch of VoLTE service in 2012. He was also elected as the chairman of the Korean VoLTE service interoperability initiative between Korean operators and led the standardization of the interworking specification and commercialized the world-first VoLTE interworking between 3 Korean operators in 2015. He led development of the world-first commercial launch of virtualized IMS serving VoLTE based on NFV technology in 2015. After then he has focused in NFV framework/management development and expanded the network virtualization in company. Recently, he has commercialized the world-first generic MANO solution in 2017.
He is currently in charge of the NFV development and network evolution strategies such as 5G in SK Telecom.