diff --git a/framework/api/current.txt b/framework/api/current.txt
index 9a77a3c..ad42dde 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -316,6 +316,7 @@
     field public static final int NET_CAPABILITY_INTERNET = 12; // 0xc
     field public static final int NET_CAPABILITY_MCX = 23; // 0x17
     field public static final int NET_CAPABILITY_MMS = 0; // 0x0
+    field public static final int NET_CAPABILITY_MMTEL = 33; // 0x21
     field public static final int NET_CAPABILITY_NOT_CONGESTED = 20; // 0x14
     field public static final int NET_CAPABILITY_NOT_METERED = 11; // 0xb
     field public static final int NET_CAPABILITY_NOT_RESTRICTED = 13; // 0xd
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 03cf109..721a12d 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -274,6 +274,7 @@
             NET_CAPABILITY_VSIM,
             NET_CAPABILITY_BIP,
             NET_CAPABILITY_HEAD_UNIT,
+            NET_CAPABILITY_MMTEL,
     })
     public @interface NetCapability { }
 
@@ -512,8 +513,13 @@
      */
     public static final int NET_CAPABILITY_HEAD_UNIT = 32;
 
+    /**
+     * Indicates that this network has ability to support MMTEL (Multimedia Telephony service).
+     */
+    public static final int NET_CAPABILITY_MMTEL = 33;
+
     private static final int MIN_NET_CAPABILITY = NET_CAPABILITY_MMS;
-    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_HEAD_UNIT;
+    private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_MMTEL;
 
     /**
      * Network capabilities that are expected to be mutable, i.e., can change while a particular
@@ -2090,6 +2096,7 @@
             case NET_CAPABILITY_VSIM:                 return "VSIM";
             case NET_CAPABILITY_BIP:                  return "BIP";
             case NET_CAPABILITY_HEAD_UNIT:            return "HEAD_UNIT";
+            case NET_CAPABILITY_MMTEL:                return "MMTEL";
             default:                                  return Integer.toString(capability);
         }
     }