Communication terminal based group call security apparatus and method
YOO, CHI HOON, LEE, DONG MYUN, JUNG, JIN SU, PARK, JUNG SUK, BAEK, GYU TAE
Year of Publication 16.01.2018
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Year of Publication 16.01.2018
Patent
System and method for providing group call security service
YOO, CHI HOON, LEE, DONG MYUN, JUNG, JIN SU, PARK, JUNG SUK, BAEK, GYU TAE
Year of Publication 16.01.2018
Get full text
Year of Publication 16.01.2018
Patent