diff --git a/wrappers/java/classes/LinphoneUtils.java b/wrappers/java/classes/LinphoneUtils.java
new file mode 100644
index 000000000..c60ebb440
--- /dev/null
+++ b/wrappers/java/classes/LinphoneUtils.java
@@ -0,0 +1,34 @@
+/*
+LinphoneUtils.java
+Copyright (C) 2010-2017 Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+package org.linphone.core;
+
+public class LinphoneUtils {
+	public static int getPrefixFromE164(String e164) {
+		DialPlan[] dialPlans = Factory.instance().getDialPlans();
+		DialPlan dialPlan = dialPlans[0];
+		return dialPlan.lookupCccFromE164(e164);
+	}
+
+	public static int getCccFromIso(String countryIso) {
+		DialPlan[] dialPlans = Factory.instance().getDialPlans();
+		DialPlan dialPlan = dialPlans[0];
+		return dialPlan.lookupCccFromIso(countryIso);
+	}
+}
diff --git a/wrappers/java/migration.sh b/wrappers/java/migration.sh
index 00324baa8..2cef09ff8 100644
--- a/wrappers/java/migration.sh
+++ b/wrappers/java/migration.sh
@@ -229,6 +229,8 @@ eval "$SED_START 's/mLc.destroy()/mLc = null/g' $SED_END"
 eval "$SED_START 's/getAllDialPlan()/getDialPlans()/g' $SED_END"
 eval "$SED_START 's/getCountryName()/getCountry()/g' $SED_END"
 eval "$SED_START 's/getMSFactory()/getMediastreamerFactory()/g' $SED_END"
+eval "$SED_START 's/accountCreator.getPrefix(/LinphoneUtils::getPrefixFromE164(/g' $SED_END"
+eval "$SED_START 's/proxyConfig.lookupCCCFromIso(/LinphoneUtils::getCccFromIso(/g' $SED_END"
 
 #Changes in library required
 #Tunnel
@@ -261,8 +263,6 @@ eval "$SED_START 's/getMSFactory()/getMediastreamerFactory()/g' $SED_END"
 #Core.enableSpeaker / isSpeakerEnabled() => mAudioManager.setSpeakerphoneOn(speakerOn);
 #Core.enableVideo(true, true) => Core.enableVideoCapture(bool) & Core.enableVideoDisplay(bool)
 #Core.setCpuCount() => Not needed anymore, can be removed
-#AccountCreator.getPrefix => linphone_dial_plan_lookup_ccc_from_e164
-#ProxyConfig.lookupCCCFromIso=> linphone_dial_plan_lookup_ccc_from_iso
 #Factory.instance().setLogCollectionPath(getFilesDir().getAbsolutePath()); => Core.setLogCollectionPath
 #Factory.instance().enableLogCollection(isDebugEnabled); => COre.enableLogCollection
 #Factory.instance().setDebugMode(isDebugEnabled, getString(R.string.app_name)); => Core.setLogLevelMask