diff --git a/telephony/java/com/android/internal/telephony/TelephonyProperties.java b/telephony/java/com/android/internal/telephony/TelephonyProperties.java
index abb4523..101dd55 100644
--- a/telephony/java/com/android/internal/telephony/TelephonyProperties.java
+++ b/telephony/java/com/android/internal/telephony/TelephonyProperties.java
@@ -182,4 +182,9 @@
      * in commercial configuration.
      */
     static final String PROPERTY_TEST_CSIM = "persist.radio.test-csim";
+
+    /**
+     * Set to true to indicate a test ims registration required.
+     */
+    static final String PROPERTY_IMS_REG_REQUIRED = "persist.radio.imsregrequired";
 }