diff --git a/api/system-current.txt b/api/system-current.txt
index a9afb3f..4168353 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5984,6 +5984,7 @@
     field public static final int CODE_SIP_SERVICE_UNAVAILABLE = 352; // 0x160
     field public static final int CODE_SIP_TEMPRARILY_UNAVAILABLE = 336; // 0x150
     field public static final int CODE_SIP_TRANSACTION_DOES_NOT_EXIST = 343; // 0x157
+    field public static final int CODE_SIP_USER_MARKED_UNWANTED = 365; // 0x16d
     field public static final int CODE_SIP_USER_REJECTED = 361; // 0x169
     field public static final int CODE_SUPP_SVC_CANCELLED = 1202; // 0x4b2
     field public static final int CODE_SUPP_SVC_FAILED = 1201; // 0x4b1
diff --git a/telephony/java/android/telephony/ims/ImsReasonInfo.java b/telephony/java/android/telephony/ims/ImsReasonInfo.java
index b1c66f6..8fcdb6e 100644
--- a/telephony/java/android/telephony/ims/ImsReasonInfo.java
+++ b/telephony/java/android/telephony/ims/ImsReasonInfo.java
@@ -185,6 +185,15 @@
     public static final int CODE_EMERGENCY_PERM_FAILURE = 364;
 
     /**
+     * Call failure code during hangup/reject if user marked the call as unwanted.
+     *
+     * Android Telephony will receive information whether ROBO call feature is supported by the
+     * network from modem and propagate the same to AOSP as new ImsCallProfile members. OEMs can
+     * check this information and provide an option to the user to mark the call as unwanted.
+     */
+    public static final int CODE_SIP_USER_MARKED_UNWANTED = 365;
+
+    /**
      * MEDIA (IMS -> Telephony)
      */
     // Media resource initialization failed