[Samsung Galaxy S7 Edge (Exynos) ROMs, Kernels, Rec] LaShto34:
In system/csc the "others.xml" must contain all this:

<FeatureSet>

<CscFeature_Camera_ShutterSoundMenu>TRUE</CscFeature_Camera_ShutterSoundMenu>

<CscFeature_Common_AutoConfigurationType>NO_DFLT_CSC, SIMBASED_OMC</CscFeature_Common_AutoConfigurationType>

<CscFeature_Common_ConfigEmergencyModePackages>com.ipsec.service,com.sec.android.providers.iwlansettings,com.sec.android.providers.mapcon</CscFeature_Common_ConfigEmergencyModePackages>

<CscFeature_Common_ConfigSvcProviderForUnknownNumber>whitepages,whitepages,whitepages</CscFeature_Common_ConfigSvcProviderForUnknownNumber>

<CscFeature_IMS_EnableIMS>TRUE</CscFeature_IMS_EnableIMS>

<CscFeature_IMS_EnableLTEVideoCall>TRUE</CscFeature_IMS_EnableLTEVideoCall>

<CscFeature_IMS_EnableRCSPresence>FALSE</CscFeature_IMS_EnableRCSPresence>

<CscFeature_IMS_EnableRCSe>FALSE</CscFeature_IMS_EnableRCSe>

<CscFeature_IMS_EnableVoLTE>TRUE</CscFeature_IMS_EnableVoLTE>

<CscFeature_IMS_FrameworkVersion>6.0</CscFeature_IMS_FrameworkVersion>

<CscFeature_Launcher_TotalPageCount>2</CscFeature_Launcher_TotalPageCount>

<CscFeature_Message_ConfigFreeMessage>off</CscFeature_Message_ConfigFreeMessage>

<CscFeature_Message_DisableSmsToMmsConversionByTextInput>TRUE</CscFeature_Message_DisableSmsToMmsConversionByTextInput>

<CscFeature_Message_EnableBlackList>TRUE</CscFeature_Message_EnableBlackList>

<CscFeature_Message_EnableSaveRestoreSDCard>TRUE </CscFeature_Message_EnableSaveRestoreSDCard>

<CscFeature_RIL_BlockUssdDuringVolteCall>TRUE</CscFeature_RIL_BlockUssdDuringVolteCall>

<CscFeature_RIL_CallCsVtSupport>TRUE</CscFeature_RIL_CallCsVtSupport>

<CscFeature_RIL_ConfigAlwaysOnApn>ims,xcap</CscFeature_RIL_ConfigAlwaysOnApn>

<CscFeature_RIL_ConfigEpdgExtraFunction>ERIS</CscFeature_RIL_ConfigEpdgExtraFunction>

<CscFeature_RIL_ConfigSpecialPdpFlag>im_cn</CscFeature_RIL_ConfigSpecialPdpFlag>

<CscFeature_RIL_DisplayAntennaLimited>TRUE</CscFeature_RIL_DisplayAntennaLimited>

<CscFeature_RIL_DisplayPlmnnameSimload>TRUE</CscFeature_RIL_DisplayPlmnnameSimload>

<CscFeature_RIL_E911RoutingPolicy>auto</CscFeature_RIL_E911RoutingPolicy>

<CscFeature_RIL_ForceConnectMMS>TRUE</CscFeature_RIL_ForceConnectMMS>

<CscFeature_RIL_GcfSor>TRUE</CscFeature_RIL_GcfSor>

<CscFeature_RIL_ReferEonsWithoutLac>TRUE</CscFeature_RIL_ReferEonsWithoutLac>

<CscFeature_RIL_SignalstrengthPolicy>0</CscFeature_RIL_SignalstrengthPolicy>

<CscFeature_RIL_SrvccRel>10</CscFeature_RIL_SrvccRel>

<CscFeature_RIL_SsacInfoToIms>TRUE</CscFeature_RIL_SsacInfoToIms>

<CscFeature_RIL_SupportEpdg>TRUE</CscFeature_RIL_SupportEpdg>

<CscFeature_RIL_SupportEpdgOnAirplaneMode>TRUE</CscFeature_RIL_SupportEpdgOnAirplaneMode>

<CscFeature_RIL_SupportImsClirOverriding>TRUE</CscFeature_RIL_SupportImsClirOverriding>

<CscFeature_RIL_SupportImsService>TRUE</CscFeature_RIL_SupportImsService>

<CscFeature_RIL_SupportSrvcc>TRUE</CscFeature_RIL_SupportSrvcc>

<CscFeature_RIL_SupportVolte>TRUE</CscFeature_RIL_SupportVolte>

<CscFeature_RIL_UseMpsForImsSetting>TRUE</CscFeature_RIL_UseMpsForImsSetting>

<CscFeature_RIL_WbamrDefaultOn>TRUE</CscFeature_RIL_WbamrDefaultOn>

<CscFeature_Setting_CustNetworkSelMenu4>LTEONLY</CscFeature_Setting_CustNetworkSelMenu4>

<CscFeature_Setting_DisableMenuSoftwareUpdate>TRUE</CscFeature_Setting_DisableMenuSoftwareUpdate>

<CscFeature_Setting_EnableMenuBlockCallMsg>TRUE</CscFeature_Setting_EnableMenuBlockCallMsg>

<CscFeature_Setting_SupportRealTimeNetworkSpeed>TRUE</CscFeature_Setting_SupportRealTimeNetworkSpeed>

<CscFeature_Setting_SupportWifiCall>TRUE</CscFeature_Setting_SupportWifiCall>

<CscFeature_SmartManager_ConfigDashboard>dual_dash board</CscFeature_SmartManager_ConfigDashboard>

<CscFeature_SmartManager_ConfigSubFeatures>roguepopup|autoclean|autorestart|applock</CscFeature_SmartManager_ConfigSubFeatures>

<CscFeature_SmartManager_DisableAntiMalware>TRUE</CscFeature_SmartManager_DisableAntiMalware>

<CscFeature_SystemUI_ConfigDefQuickSettingItem>Wifi,Location,SilentMode,RotationLock,Bluetooth,MobileData,PowerSaving,AirplaneMode,DormantMode,Flashlight,ScreenCapture,UDS,BikeMode,UltraPowerSaving,WifiHotspot,BlueLightFilter,PersonalMode,AllShareCast,Nfc,Sync,Aod,SFinder,TouchSensitivity</CscFeature_SystemUI_ConfigDefQuickSettingItem>

<CscFeature_SystemUI_SupportRecentAppProtection>TRUE</CscFeature_SystemUI_SupportRecentAppProtection>

<CscFeature_VoiceCall_ConfigRecording>RecordingAllowed</CscFeature_VoiceCall_ConfigRecording>

<CscFeature_Web_AddOptionToTerminate>TRUE</CscFeature_Web_AddOptionToTerminate>

<CscFeature_Web_ConfigSyncSource>TRUE</CscFeature_Web_ConfigSyncSource>

<CscFeature_Web_EnableAutoSimHomeUrlInProfile>TRUE</CscFeature_Web_EnableAutoSimHomeUrlInProfile>

<CscFeature_Wifi_UseDefaultSecurityAs>WPA2/PSK</CscFeature_Wifi_UseDefaultSecurityAs>

</FeatureSet>

The line "<CscFeature_SystemUI_ConfigDefQuickSettingItem>Wifi,Location,SilentMode,RotationLock,Bluetooth,MobileData,PowerSaving,AirplaneMode,DormantMode,Flashlight,ScreenCapture,UDS,BikeMode,UltraPowerSaving,WifiHotspot,BlueLightFilter,PersonalMode,AllShareCast,Nfc,Sync,Aod,SFinder,TouchSensitivity</CscFeature_SystemUI_ConfigDefQuickSettingItem>" enables private mode, for example.

There will be also call recording, and volte (if sim provider supports it).