Recent content by misu1976

Hello all I recently installed a DAHUA VTH2421FB-P in pair with VTO2111D-P-S2. All seems to work correctly but, after a firmware upgrade of VTH (which was OK) to version DH_VTHX421H_MultiLang_SIP_EMEA_V4.600.0000000.0.R.220819, I realize that the maximum ringing tone volume is decreased a lot...