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-rw-r--r--telephony/java/android/telephony/emergency/EmergencyNumber.java4
1 files changed, 4 insertions, 0 deletions
diff --git a/telephony/java/android/telephony/emergency/EmergencyNumber.java b/telephony/java/android/telephony/emergency/EmergencyNumber.java
index 511adf6ad65b..19d07242132b 100644
--- a/telephony/java/android/telephony/emergency/EmergencyNumber.java
+++ b/telephony/java/android/telephony/emergency/EmergencyNumber.java
@@ -22,6 +22,7 @@ import android.hardware.radio.V1_4.EmergencyNumberSource;
import android.hardware.radio.V1_4.EmergencyServiceCategory;
import android.os.Parcel;
import android.os.Parcelable;
+import android.telephony.CarrierConfigManager;
import android.telephony.PhoneNumberUtils;
import android.telephony.Rlog;
@@ -301,6 +302,9 @@ public final class EmergencyNumber implements Parcelable, Comparable<EmergencyNu
* The character in the number string is only the dial pad
* character('0'-'9', '*', '+', or '#'). For example: 911.
*
+ * If the number starts with carrier prefix, the carrier prefix is configured in
+ * {@link CarrierConfigManager#KEY_EMERGENCY_NUMBER_PREFIX_STRING_ARRAY}.
+ *
* @return the dialing number.
*/
public @NonNull String getNumber() {