diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 684b271833e88..1e0ae27f151c5 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -15661,6 +15661,7 @@ package android.telephony.ims {
     field public static final String SERVICE_ID_POST_CALL = "org.3gpp.urn:urn-7:3gpp-service.ims.icsi.gsma.callunanswered";
     field public static final String SERVICE_ID_SHARED_MAP = "org.3gpp.urn:urn-7:3gpp-service.ims.icsi.gsma.sharedmap";
     field public static final String SERVICE_ID_SHARED_SKETCH = "org.3gpp.urn:urn-7:3gpp-service.ims.icsi.gsma.sharedsketch";
+    field public static final String SERVICE_ID_SLM = "org.openmobilealliance:StandaloneMsg";
     field public static final String TUPLE_BASIC_STATUS_CLOSED = "closed";
     field public static final String TUPLE_BASIC_STATUS_OPEN = "open";
   }
diff --git a/telephony/java/android/telephony/ims/RcsContactPresenceTuple.java b/telephony/java/android/telephony/ims/RcsContactPresenceTuple.java
index 6a6c3063483e0..74bac22c4d006 100644
--- a/telephony/java/android/telephony/ims/RcsContactPresenceTuple.java
+++ b/telephony/java/android/telephony/ims/RcsContactPresenceTuple.java
@@ -147,7 +147,7 @@ public final class RcsContactPresenceTuple implements Parcelable {
             "org.3gpp.urn:urn-7:3gpp-application.ims.iari.rcs.chatbot";
 
     /**
-     * The service ID used to indicate that the Standalone Messaging is available.
+     * The service ID used to indicate that the Chatbot using Standalone Messaging is available.
      * <p>
      * See the GSMA RCC.07 specification for more information.
      */
@@ -161,6 +161,14 @@ public final class RcsContactPresenceTuple implements Parcelable {
      */
     public static final String SERVICE_ID_CHATBOT_ROLE = "org.gsma.rcs.isbot";
 
+    /**
+     * The service ID used to indicate that the Standalone Messaging is available.
+     * <p>
+     * See the GSMA RCC.07 RCS5_1_advanced_communications_specification_v4.0 specification
+     * for more information.
+     */
+    public static final String SERVICE_ID_SLM = "org.openmobilealliance:StandaloneMsg";
+
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
     @StringDef(prefix = "SERVICE_ID_", value = {
@@ -177,7 +185,8 @@ public final class RcsContactPresenceTuple implements Parcelable {
             SERVICE_ID_SHARED_SKETCH,
             SERVICE_ID_CHATBOT,
             SERVICE_ID_CHATBOT_STANDALONE,
-            SERVICE_ID_CHATBOT_ROLE
+            SERVICE_ID_CHATBOT_ROLE,
+            SERVICE_ID_SLM
     })
     public @interface ServiceId {}