1<?xml version='1.0' encoding='utf-8' standalone='yes' ?> 2<carrier_config_list> 3 <carrier_config> 4 <boolean name="carrier_volte_available_bool" value="true" /> 5 </carrier_config> 6 <carrier_config spn="null"> 7 <boolean name="carrier_volte_available_bool" value="true" /> 8 </carrier_config> 9 <carrier_config spn="^Tes.*"> 10 <boolean name="carrier_volte_available_bool" value="true" /> 11 </carrier_config> 12 <carrier_config imsi="^001001.*"> 13 <boolean name="carrier_volte_available_bool" value="true" /> 14 </carrier_config> 15</carrier_config_list> 16