diff --git a/api/system-current.txt b/api/system-current.txt
index af902d4d32bbc..5b27b12351165 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5873,6 +5873,7 @@ package android.telephony.ims {
     method public android.os.Bundle getCallExtras();
     method public int getCallType();
     method public static int getCallTypeFromVideoState(int);
+    method public int getEmergencyServiceCategories();
     method public android.telephony.ims.ImsStreamMediaProfile getMediaProfile();
     method public int getRestrictCause();
     method public int getServiceType();
@@ -5885,6 +5886,7 @@ package android.telephony.ims {
     method public void setCallExtraBoolean(java.lang.String, boolean);
     method public void setCallExtraInt(java.lang.String, int);
     method public void setCallRestrictCause(int);
+    method public void setEmergencyServiceCategories(int);
     method public void updateCallExtras(android.telephony.ims.ImsCallProfile);
     method public void updateCallType(android.telephony.ims.ImsCallProfile);
     method public void updateMediaProfile(android.telephony.ims.ImsCallProfile);
diff --git a/telephony/java/android/telephony/emergency/EmergencyNumber.java b/telephony/java/android/telephony/emergency/EmergencyNumber.java
index 2d46ec26a7554..41f7bd7ade634 100644
--- a/telephony/java/android/telephony/emergency/EmergencyNumber.java
+++ b/telephony/java/android/telephony/emergency/EmergencyNumber.java
@@ -17,6 +17,7 @@
 package android.telephony.emergency;
 
 import android.annotation.IntDef;
+import android.annotation.NonNull;
 import android.hardware.radio.V1_4.EmergencyNumberSource;
 import android.hardware.radio.V1_4.EmergencyServiceCategory;
 import android.os.Parcel;
@@ -196,7 +197,7 @@ public final class EmergencyNumber implements Parcelable, Comparable<EmergencyNu
     private final int mEmergencyNumberSourceBitmask;
 
     /** @hide */
-    public EmergencyNumber(String number, String countryIso,
+    public EmergencyNumber(@NonNull String number, @NonNull String countryIso,
                            int emergencyServiceCategories,
                            int emergencyNumberSources) {
         this.mNumber = number;
@@ -403,7 +404,7 @@ public final class EmergencyNumber implements Parcelable, Comparable<EmergencyNu
      *         0 if both have equal display priority.
      */
     @Override
-    public int compareTo(EmergencyNumber emergencyNumber) {
+    public int compareTo(@NonNull EmergencyNumber emergencyNumber) {
         if (this.getDisplayPriorityScore()
                 > emergencyNumber.getDisplayPriorityScore()) {
             return -1;
diff --git a/telephony/java/android/telephony/ims/ImsCallProfile.java b/telephony/java/android/telephony/ims/ImsCallProfile.java
index f73036e88a951..a6c24bf4e18aa 100644
--- a/telephony/java/android/telephony/ims/ImsCallProfile.java
+++ b/telephony/java/android/telephony/ims/ImsCallProfile.java
@@ -23,6 +23,8 @@ import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.telecom.VideoProfile;
+import android.telephony.emergency.EmergencyNumber;
+import android.telephony.emergency.EmergencyNumber.EmergencyServiceCategories;
 import android.util.Log;
 
 import com.android.internal.telephony.PhoneConstants;
@@ -294,6 +296,28 @@ public final class ImsCallProfile implements Parcelable {
     @UnsupportedAppUsage
     public @CallRestrictCause int mRestrictCause = CALL_RESTRICT_CAUSE_NONE;
 
+    /**
+     * The emergency service categories, only valid if {@link #getServiceType} returns
+     * {@link #SERVICE_TYPE_EMERGENCY}
+     *
+     * If valid, the value is the bitwise-OR combination of the following constants:
+     * <ol>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_UNSPECIFIED} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_POLICE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AMBULANCE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_FIRE_BRIGADE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MARINE_GUARD} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MOUNTAIN_RESCUE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MIEC} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AIEC} </li>
+     * </ol>
+     *
+     * Reference: 3gpp 23.167, Section 6 - Functional description;
+     *            3gpp 22.101, Section 10 - Emergency Calls.
+     */
+    private @EmergencyServiceCategories int mEmergencyServiceCategories =
+            EmergencyNumber.EMERGENCY_SERVICE_CATEGORY_UNSPECIFIED;
+
     /**
      * Extras associated with this {@link ImsCallProfile}.
      * <p>
@@ -495,6 +519,7 @@ public final class ImsCallProfile implements Parcelable {
         out.writeInt(mCallType);
         out.writeBundle(filteredExtras);
         out.writeParcelable(mMediaProfile, 0);
+        out.writeInt(mEmergencyServiceCategories);
     }
 
     private void readFromParcel(Parcel in) {
@@ -502,6 +527,7 @@ public final class ImsCallProfile implements Parcelable {
         mCallType = in.readInt();
         mCallExtras = in.readBundle();
         mMediaProfile = in.readParcelable(ImsStreamMediaProfile.class.getClassLoader());
+        mEmergencyServiceCategories = in.readInt();
     }
 
     public static final Creator<ImsCallProfile> CREATOR = new Creator<ImsCallProfile>() {
@@ -710,4 +736,53 @@ public final class ImsCallProfile implements Parcelable {
     private static boolean isVideoStateSet(int videoState, int videoStateToCheck) {
         return (videoState & videoStateToCheck) == videoStateToCheck;
     }
+
+    /**
+     * Set the emergency service categories. The set value is valid only if
+     * {@link #getServiceType} returns {@link #SERVICE_TYPE_EMERGENCY}
+     *
+     * If valid, the value is the bitwise-OR combination of the following constants:
+     * <ol>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_UNSPECIFIED} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_POLICE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AMBULANCE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_FIRE_BRIGADE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MARINE_GUARD} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MOUNTAIN_RESCUE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MIEC} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AIEC} </li>
+     * </ol>
+     *
+     * Reference: 3gpp 23.167, Section 6 - Functional description;
+     *            3gpp 22.101, Section 10 - Emergency Calls.
+     */
+    public void setEmergencyServiceCategories(
+            @EmergencyServiceCategories int emergencyServiceCategories) {
+        mEmergencyServiceCategories = emergencyServiceCategories;
+    }
+
+    /**
+     * Get the emergency service categories, only valid if {@link #getServiceType} returns
+     * {@link #SERVICE_TYPE_EMERGENCY}
+     *
+     * @return the emergency service categories,
+     *
+     * If valid, the value is the bitwise-OR combination of the following constants:
+     * <ol>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_UNSPECIFIED} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_POLICE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AMBULANCE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_FIRE_BRIGADE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MARINE_GUARD} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MOUNTAIN_RESCUE} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_MIEC} </li>
+     * <li>{@link EmergencyNumber#EMERGENCY_SERVICE_CATEGORY_AIEC} </li>
+     * </ol>
+     *
+     * Reference: 3gpp 23.167, Section 6 - Functional description;
+     *            3gpp 22.101, Section 10 - Emergency Calls.
+     */
+    public @EmergencyServiceCategories int getEmergencyServiceCategories() {
+        return mEmergencyServiceCategories;
+    }
 }