[bug] Volte Bug With Sktelecom In South Korea Network..

[chan408]

I use mi5s plus by skt(sk telecom) in south korea.

But I have problem in call.

my phone is mi5s plus

★★ SKT (MI5S PLUS) -> SKT other phone

MI5S PLUS (VOLTE mark(O), HD mark(X))-> SAMSUNG GALAXY5, GALAXY7, GALAXY7 EDGE, ETC (3G(O), HD mark(X))

MI5S PLUS (VOLTE MARK(O), HD mark(X)) -> iPhone6, iPhone6+, iPhone7 (3G(O), HD mark(X))


★★ SKT (MI5S PLUS) <- SKT other phone

MI5S PLUS (VOLTE mark(O), HD mark(O)) -> SAMSUNG GALAXY5, GALAXY7, GALAXY7 EDGE, ETC (VOLTE mark(O), HD mark(O))

MI5S PLUS (VOLTE mark(O), HD mark(O))-> iPhone6, iPhone6+, iPhone7 (VOLTE mark(O), HD mark(O))

please solve the bug...please.....