diff --git a/Classes/BuschJaegerCallView.m b/Classes/BuschJaegerCallView.m
index cba0a8433..beac1d495 100644
--- a/Classes/BuschJaegerCallView.m
+++ b/Classes/BuschJaegerCallView.m
@@ -94,8 +94,12 @@
 - (void)viewDidLoad {
     [super viewDidLoad];
     
+    [openDoorButton setPlay:FALSE];
     [openDoorButton setDigit:'1'];
+    
+    [lightsButton setPlay:FALSE];
     [lightsButton setDigit:'2'];
+
     [microButton setImage:[UIImage imageNamed:@"bj_mute_off.png"] forState:UIControlStateHighlighted | UIControlStateSelected];
     
     /* init gradients */
diff --git a/Classes/BuschJaegerHistoryView.m b/Classes/BuschJaegerHistoryView.m
index c037a763b..256598fa1 100644
--- a/Classes/BuschJaegerHistoryView.m
+++ b/Classes/BuschJaegerHistoryView.m
@@ -78,7 +78,7 @@
 }
 
 - (void)update {
-    NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"date" ascending:NO];
+    NSSortDescriptor *sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"date" ascending:NO];
     NSArray *sortDescriptors = [NSArray arrayWithObjects:sortDescriptor, nil];
     
     [tableController setHistory:[[LinphoneManager instance].configuration.history sortedArrayUsingDescriptors:sortDescriptors]];
diff --git a/Classes/LinphoneUI/UIDigitButton.h b/Classes/LinphoneUI/UIDigitButton.h
index 526240275..21e9572e5 100644
--- a/Classes/LinphoneUI/UIDigitButton.h
+++ b/Classes/LinphoneUI/UIDigitButton.h
@@ -30,5 +30,6 @@
 @property (nonatomic, retain) IBOutlet UITextField* addressField;
 @property char digit;
 @property bool dtmf;
+@property bool play;
 
 @end
diff --git a/Classes/LinphoneUI/UIDigitButton.m b/Classes/LinphoneUI/UIDigitButton.m
index 8d96e89e9..96f410d41 100644
--- a/Classes/LinphoneUI/UIDigitButton.m
+++ b/Classes/LinphoneUI/UIDigitButton.m
@@ -24,6 +24,7 @@
 @implementation UIDigitButton
 
 @synthesize dtmf;
+@synthesize play;
 @synthesize digit;
 @synthesize addressField;
 @synthesize chatRoom;
@@ -33,6 +34,7 @@
 
 - (void)initUIDigitButton {
     dtmf = FALSE;
+    play = TRUE;
     chatRoom = NULL;
 	[self addTarget:self action:@selector(touchDown:) forControlEvents:UIControlEventTouchDown];
 	[self addTarget:self action:@selector(touchUp:) forControlEvents:UIControlEventTouchUpInside|UIControlEventTouchUpOutside];
@@ -85,7 +87,9 @@
         } else {
             linphone_chat_room_send_message(chatRoom, [[NSString stringWithFormat:@"%c", digit] UTF8String]);
         }
-		linphone_core_play_dtmf([LinphoneManager getLc], digit, 100);
+        if(play) {
+            linphone_core_play_dtmf([LinphoneManager getLc], digit, 100);
+        }
 	}
 }