diff --git a/src/com/android/phone/vvm/omtp/sync/OmtpVvmSyncService.java b/src/com/android/phone/vvm/omtp/sync/OmtpVvmSyncService.java
index 0b6f10f..1f6412b 100644
--- a/src/com/android/phone/vvm/omtp/sync/OmtpVvmSyncService.java
+++ b/src/com/android/phone/vvm/omtp/sync/OmtpVvmSyncService.java
@@ -62,6 +62,9 @@
     /** The voicemail to fetch. */
     public static final String EXTRA_VOICEMAIL = "voicemail";
 
+    // Minimum time allowed between full syncs
+    private static final int MINIMUM_FULL_SYNC_INTERVAL_MILLIS = 60 * 1000;
+
     private VoicemailsQueryHelper mQueryHelper;
 
     public OmtpVvmSyncService() {
@@ -172,6 +175,20 @@
             return;
         }
 
+        if (SYNC_FULL_SYNC.equals(action)) {
+            long lastSyncTime = VisualVoicemailSettingsUtil.getVisualVoicemailLastFullSyncTime(
+                    this, phoneAccount);
+            long currentTime = System.currentTimeMillis();
+            if (currentTime - lastSyncTime < MINIMUM_FULL_SYNC_INTERVAL_MILLIS) {
+                // If it's been less than a minute since the last sync, bail.
+                Log.v(TAG, "Avoiding duplicate full sync: synced recently for "
+                        + phoneAccount.getId());
+                return;
+            }
+            VisualVoicemailSettingsUtil.setVisualVoicemailLastFullSyncTime(
+                    this, phoneAccount, currentTime);
+        }
+
         int subId = PhoneUtils.getSubIdForPhoneAccountHandle(phoneAccount);
         OmtpVvmCarrierConfigHelper carrierConfigHelper =
                 new OmtpVvmCarrierConfigHelper(this, subId);