Method for operating application providing group call service using mobile voice over internet protocol

Assignee

• Kakao

Inventors

• Young Joon Ryu (1 patents)
• Hyang Deok Yim (1 patents)
• Choon-Taek Kim (3 patents)
• Jung-Taek Kim (71 patents)
• Se Jong Seo (1 patents)
• Dae Gil KIM (1 patents)
• Dong Kuk Woo (1 patents)
• Seok Kyoo Lee (1 patents)
• Ki Yong Sim (1 patents)
• Jun Jae Kim (1 patents)
• Chang Ho Park (36 patents)
• Hyun Seok Hwang (1 patents)
• Seong Hark Kang (1 patents)

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