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

Assignee

• Kakao

Inventors

• Young Joon (1 patents)
• Hyang Deok (1 patents)
• Choon Taek (1 patents)
• Jung Woon Taek (2 patents)
• Se Jong (1 patents)
• Dae Gil (1 patents)
• Dong Hoon KUK (2 patents)
• Seok Kyoo (1 patents)
• Ki Lyuk Yong (2 patents)
• Jun Jae (1 patents)
• Chang Tih Ho (5 patents)
• Hyun Seok (1 patents)
• Seong Hark (1 patents)

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