diff --git a/properties/system.prop b/properties/system.prop
index ef15e91..d56c4bb 100644
--- a/properties/system.prop
+++ b/properties/system.prop
@@ -56,6 +56,8 @@ ro.vendor.qti.sys.fw.bservice_enable=true
 # Radio
 DEVICE_PROVISIONED=1
 ril.subscription.types=NV,RUIM
+persist.radio.is_vonr_enabled_0=true
+persist.radio.is_vonr_enabled_1=true
 
 # Sensors
 persist.vendor.sensors.enable.mag_filter=true