<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
<carrier_config_list>
<carrier_config>
<boolean name="carrier_volte_available_bool" value="true" />
</carrier_config>
<carrier_config spn="null">
<boolean name="carrier_volte_available_bool" value="true" />
</carrier_config>
<carrier_config spn="^Tes.*">
<boolean name="carrier_volte_available_bool" value="true" />
</carrier_config>
<carrier_config imsi="^001001.*">
<boolean name="carrier_volte_available_bool" value="true" />
</carrier_config>
</carrier_config_list>