diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index b5c555733..189be5a93 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -4843,7 +4843,7 @@ int linphone_call_send_dtmf(LinphoneCall *call,char dtmf){
 	return 0;
 }
 
-int linphone_call_send_dtmfs(LinphoneCall *call,char *dtmfs) {
+int linphone_call_send_dtmfs(LinphoneCall *call,const char *dtmfs) {
 	if (call==NULL){
 		ms_warning("linphone_call_send_dtmfs(): invalid call, canceling DTMF sequence.");
 		return -1;
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 90f6e62b9..01db030da 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -870,7 +870,7 @@ LINPHONE_PUBLIC	int linphone_call_send_dtmf(LinphoneCall *call,char dtmf);
  * @return -2 if there is already a DTMF sequence, -1 if call is not ready, 0 otherwise.
  * @ingroup call_control
 **/
-LINPHONE_PUBLIC	int linphone_call_send_dtmfs(LinphoneCall *call,char *dtmfs);
+LINPHONE_PUBLIC	int linphone_call_send_dtmfs(LinphoneCall *call,const char *dtmfs);
 
 /**
  * Stop current DTMF sequence sending.
diff --git a/coreapi/linphonecore_jni.cc b/coreapi/linphonecore_jni.cc
index 32ed49fda..88c3f3743 100644
--- a/coreapi/linphonecore_jni.cc
+++ b/coreapi/linphonecore_jni.cc
@@ -1946,6 +1946,16 @@ extern "C" jlong Java_org_linphone_core_LinphoneCoreImpl_interpretUrl(	JNIEnv*
 	ReleaseStringUTFChars(env, jurl, url);
 	return result;
 }
+extern "C" jint Java_org_linphone_core_LinphoneCoreImpl_sendDtmfs(	JNIEnv*  env
+		,jobject  thiz
+		,jlong lc
+		,jstring dtmf) {
+	int result;
+	const char* dtmfs = GetStringUTFChars(env, dtmf);
+	result = linphone_call_send_dtmfs(linphone_core_get_current_call((LinphoneCore*)lc),dtmfs);
+	ReleaseStringUTFChars(env, dtmf, dtmfs);
+	return result;
+}
 extern "C" void Java_org_linphone_core_LinphoneCoreImpl_sendDtmf(	JNIEnv*  env
 		,jobject  thiz
 		,jlong lc
@@ -8172,4 +8182,4 @@ extern "C" jobject Java_org_linphone_core_LinphoneAccountCreatorImpl_configure(J
 	LinphoneCoreVTable *table = linphone_core_get_current_vtable(lc);
 	LinphoneCoreData* lcData = (LinphoneCoreData*)linphone_core_v_table_get_user_data(table);
 	return getProxy(env, lpc, lcData->core);
-}
+}
\ No newline at end of file
diff --git a/java/common/org/linphone/core/LinphoneCore.java b/java/common/org/linphone/core/LinphoneCore.java
index 9f20ce4a9..2e1cd4361 100644
--- a/java/common/org/linphone/core/LinphoneCore.java
+++ b/java/common/org/linphone/core/LinphoneCore.java
@@ -837,6 +837,11 @@ public interface LinphoneCore {
 	 */
 	boolean isMicMuted();
 
+	/**
+	 * Initiate dtmf if in call
+	 * @param dtmf send dtmf
+	 */
+	void sendDtmfs(String dtmf);
 	/**
 	 * Initiate a dtmf signal if in call
 	 * @param number send dtmf ['0'..'9'] | '#', '*'
diff --git a/java/impl/org/linphone/core/LinphoneCoreImpl.java b/java/impl/org/linphone/core/LinphoneCoreImpl.java
index 163fa1e10..58bb250d2 100644
--- a/java/impl/org/linphone/core/LinphoneCoreImpl.java
+++ b/java/impl/org/linphone/core/LinphoneCoreImpl.java
@@ -77,6 +77,7 @@ class LinphoneCoreImpl implements LinphoneCore {
 	private native long interpretUrl(long nativePtr,String destination);
 	private native Object inviteAddress(long nativePtr,long to);
 	private native Object inviteAddressWithParams(long nativePtrLc,long to, long nativePtrParam);
+	private native int sendDtmfs(long nativePtr,String dtmf);
 	private native void sendDtmf(long nativePtr,char dtmf);
 	private native void clearCallLogs(long nativePtr);
 	private native boolean isMicMuted(long nativePtr);
@@ -367,6 +368,10 @@ class LinphoneCoreImpl implements LinphoneCore {
 		}
 	}
 
+	public synchronized void sendDtmfs(String dtmf) {
+		sendDtmfs(nativePtr, dtmf);
+	}
+
 	public synchronized void sendDtmf(char number) {
 		sendDtmf(nativePtr, number);
 	}