Help related to VoLte

Dear members i tried enabling Volte on my UAE Note4 N910C by replacing INDIAN CSC and some ims related apps (using it in India)
Its now showing volte icon on status bar and calling via volte.
But here is a problem
Call disconnects as soon as it connects
But the other person gets miss call
Can anyone please help me fixing this Problem
I will be really thankful to you
Am attaching the log here

from xda-developers http://ift.tt/2ceqihR
via IFTTT