diff --git a/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java b/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
index ee69a8d..9f5f4ec 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/defines/DefaultPrefs.java
@@ -2,6 +2,7 @@ package fr.unix_experience.owncloud_sms.defines;
 
 public class DefaultPrefs {
 	public final static Integer syncInterval = 15;
+    public final static Integer minimumCharsForSync = 6;
 	public final static Boolean pushOnReceive = true;
 
 	public final static Boolean syncWifi = true;
diff --git a/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java b/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
index aebac20..263a255 100644
--- a/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
+++ b/src/main/java/fr/unix_experience/owncloud_sms/prefs/OCSMSSharedPrefs.java
@@ -70,4 +70,6 @@ public class OCSMSSharedPrefs extends SharedPrefs {
     public Integer getSyncBulkLimit() {
         return _sPrefs.getInt("sync_bulk_messages", -1);
     }
+
+    public Integer getMinPhoneNumberCharsToSync() { return _sPrefs.getInt("minimum_sync_chars", DefaultPrefs.minimumCharsForSync); }
 }