diff --git a/bigbluebutton-client/resources/config.xml.template b/bigbluebutton-client/resources/config.xml.template
index ac8e5d6df9..6100f834c5 100755
--- a/bigbluebutton-client/resources/config.xml.template
+++ b/bigbluebutton-client/resources/config.xml.template
@@ -44,6 +44,7 @@
 			uri="rtmp://HOST/sip" 
 			autoJoin="false"
 			joinGlobal="true"
+			presenterShareOnly="false"
 			skipCheck="false"
 			showButton="true"
 			enabledEchoCancel="true"
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/listeners/views/ListenersWindow.mxml b/bigbluebutton-client/src/org/bigbluebutton/modules/listeners/views/ListenersWindow.mxml
index c2b7b8a535..b674558724 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/listeners/views/ListenersWindow.mxml
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/listeners/views/ListenersWindow.mxml
@@ -60,8 +60,8 @@
 			private var _xPosition:int;
 			private var _yPosition:int;
  			
-			[Bindable] private var muteAllIcon:Class = images.sound_mute; 
-			[Bindable] private var unmuteAllIcon:Class = images.sound_none;
+			[Bindable] private var muteIcon:Class = images.sound_mute;
+			[Bindable] private var unmuteIcon:Class = images.sound_none;
 			[Bindable] private var kickIcon:Class = images.eject_user;
 			[Bindable] public var listeners:ArrayCollection = new ArrayCollection();
 			[Bindable] public var moderator:Boolean;
@@ -128,11 +128,9 @@
 				if (mute){
 					muteAllBtn.toolTip = ResourceUtil.getInstance().getString('bbb.listeners.unmuteAllBtn.toolTip');
 					muteAllBtn.selected = true;
-					muteAllIcon = images.sound_mute;
 				} else{
 					muteAllBtn.toolTip = ResourceUtil.getInstance().getString('bbb.listeners.muteAllBtn.toolTip');
 					muteAllBtn.selected = false;
-					muteAllIcon = images.sound_none;
 				}
 			}
 			
@@ -214,7 +212,7 @@
 							  toolTip="{UserManager.getInstance().getConference().voiceMuted ? ResourceUtil.getInstance().getString('bbb.listeners.pushToTalk.toolTip') : ResourceUtil.getInstance().getString('bbb.listeners.pushToMute.toolTip')}" 
 							  click="toggleMuteMeState()" height="30" maxWidth="180">
 				<mx:HBox verticalAlign="middle" horizontalGap="0" paddingLeft="5" paddingTop="5" paddingRight="5" paddingBottom="5">
-					<mx:Image source="{UserManager.getInstance().getConference().voiceMuted ? images.sound_mute : images.sound_none}" />
+					<mx:Image source="{UserManager.getInstance().getConference().voiceMuted ? muteIcon : unmuteIcon}" />
 					<mx:Label text="{UserManager.getInstance().getConference().voiceMuted ? ResourceUtil.getInstance().getString('bbb.listeners.talk') : ResourceUtil.getInstance().getString('bbb.listeners.mute')}" />
 				</mx:HBox> 
 			</flc:CanvasButton>
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/PhoneOptions.as b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/PhoneOptions.as
index 515d7989e6..966c7c1c0c 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/PhoneOptions.as
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/PhoneOptions.as
@@ -1,5 +1,7 @@
 package org.bigbluebutton.modules.phone
 {
+	import org.bigbluebutton.core.BBB;
+
 	public class PhoneOptions {
 		[Bindable]
 		public var showButton:Boolean = true;
@@ -15,5 +17,19 @@ package org.bigbluebutton.modules.phone
 
 		[Bindable]
 		public var joinGlobal:Boolean = true;
+
+		[Bindable]
+		public var presenterShareOnly:Boolean = false;
+
+		public function PhoneOptions() {
+			var vxml:XML = BBB.getConfigForModule("PhoneModule");
+			if (vxml != null) {
+				this.showButton = (vxml.@showButton.toString().toUpperCase() == "TRUE") ? true : false;
+				this.autoJoin = (vxml.@autoJoin.toString().toUpperCase() == "TRUE") ? true : false;
+				this.skipCheck = (vxml.@skipCheck.toString().toUpperCase() == "TRUE") ? true : false;
+				this.joinGlobal = (vxml.@joinGlobal.toString().toUpperCase() == "TRUE") ? true : false;
+				this.presenterShareOnly = (vxml.@presenterShareOnly.toString().toUpperCase() == "TRUE") ? true : false;
+			}
+		}
 	}
 }
\ No newline at end of file
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/PhoneManager.as b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/PhoneManager.as
index 1eba3248bc..5ae3516653 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/PhoneManager.as
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/managers/PhoneManager.as
@@ -55,12 +55,6 @@ package org.bigbluebutton.modules.phone.managers {
 			this.attributes = attributes;
 			var vxml:XML = BBB.getConfigForModule("PhoneModule");
 			phoneOptions = new PhoneOptions();
-			if (vxml != null) {
-				phoneOptions.showButton = (vxml.@showButton.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.autoJoin = (vxml.@autoJoin.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.skipCheck = (vxml.@skipCheck.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.joinGlobal = (vxml.@joinGlobal.toString().toUpperCase() == "TRUE") ? true : false; 
-			}
 
 			if (phoneOptions.joinGlobal) {
 				joinVoiceGlobal();
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMap.mxml b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMap.mxml
index 6923828a84..34065dc7f4 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMap.mxml
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMap.mxml
@@ -24,6 +24,7 @@
 	xmlns:mx="http://www.adobe.com/2006/mxml">
 	<mx:Script>
 		<![CDATA[
+			import org.bigbluebutton.main.events.MadePresenterEvent;
 			import org.bigbluebutton.modules.phone.events.StopPhoneModuleEvent;
 			import org.bigbluebutton.modules.phone.events.CallDisconnectedEvent;
 			import org.bigbluebutton.modules.phone.events.CallConnectedEvent;
@@ -139,5 +140,12 @@
 		<MethodInvoker generator="{PhoneEventMapDelegate}" method="enableToolbarButton"/> 
     </EventHandlers>
 
+    <EventHandlers type="{MadePresenterEvent.SWITCH_TO_PRESENTER_MODE}" >
+        <MethodInvoker generator="{PhoneEventMapDelegate}" method="switchToPresenter" />
+    </EventHandlers>
+
+    <EventHandlers type="{MadePresenterEvent.SWITCH_TO_VIEWER_MODE}">
+        <MethodInvoker generator="{PhoneEventMapDelegate}" method="switchToViewer" />
+    </EventHandlers>
     
 </EventMap>
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMapDelegate.as b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMapDelegate.as
index efcd1dc453..7e9a6e8ed7 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMapDelegate.as
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/maps/PhoneEventMapDelegate.as
@@ -39,12 +39,6 @@ package org.bigbluebutton.modules.phone.maps
 			soundButton = new MuteButton();
 			globalDispatcher = new Dispatcher();
 			phoneOptions = new PhoneOptions();
-			var vxml:XML = BBB.getConfigForModule("PhoneModule");
-			if (vxml != null) {
-				phoneOptions.showButton = (vxml.@showButton.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.autoJoin = (vxml.@autoJoin.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.skipCheck = (vxml.@skipCheck.toString().toUpperCase() == "TRUE") ? true : false;
-			}			
 		}
 
 		public function addToolbarButton():void {
@@ -91,5 +85,13 @@ package org.bigbluebutton.modules.phone.maps
 			phoneButton.enabled = true;
 			//phoneButton.userJoinedConference(false);
 		}
+
+		public function switchToPresenter():void {
+			phoneButton.setPresenter(true);
+		}
+
+		public function switchToViewer():void {
+			phoneButton.setPresenter(false);
+		}
 	}
 }
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/views/components/ToolbarButton.mxml b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/views/components/ToolbarButton.mxml
index 0123be48bd..54e286ecfb 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/phone/views/components/ToolbarButton.mxml
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/phone/views/components/ToolbarButton.mxml
@@ -24,9 +24,18 @@
 	icon="{phoneIcon}" click="startPhone()"
 	mouseOver = "mouseOverHandler(event)"
 	mouseOut = "mouseOutHandler(event)"
+	visible = "{amIPresenter || !phoneOptions.presenterShareOnly}"
+	includeInLayout = "{amIPresenter || !phoneOptions.presenterShareOnly}"
 	toolTip="{ResourceUtil.getInstance().getString('bbb.toolbar.phone.toolTip.start')}"
 	implements="org.bigbluebutton.common.IBbbToolbarComponent">
-	
+
+	<!-- TABELA VERDADE (TRADUZIR AQUI!)
+	phoneOptions.presenterShareOnly		amIPresenter	amIPresenter || !phoneOptions.presenterShareOnly
+	V 									V 				V
+	V 									F 				F -> do not show de button only if only presenters can share microphone and I'm not a
+	F 									V 				V
+	F 									F 				V
+	-->
 
 	<mate:Listener type="SPEAKING_AND_LISTENING" method="handleBBBSpeakingAndListening"/>
 	<mate:Listener type="LISTENING_ONLY" method="handleBBBListeningOnly"/>
@@ -38,6 +47,7 @@
 			
 			import org.bigbluebutton.common.LogUtil;
 			import org.bigbluebutton.core.BBB;
+			import org.bigbluebutton.core.managers.UserManager
 			import org.bigbluebutton.main.events.BBBEvent;
 			import org.bigbluebutton.main.views.MainToolbar;
 			import org.bigbluebutton.modules.phone.PhoneOptions;
@@ -48,7 +58,10 @@
 			
 			private var images:Images = new Images();
 			private var dispatcher:Dispatcher = new Dispatcher();
-
+			[Bindable]
+			private var phoneOptions:PhoneOptions = new PhoneOptions();
+			[Bindable]
+			private var amIPresenter:Boolean = UserManager.getInstance().getConference().amIPresenter();
 			
 			public const DEFAULT_STATE:Number = 0;
 			public const ACTIVE_STATE:Number = 1;
@@ -64,12 +77,6 @@
 				this.enabled = false;
 				var vxml:XML = BBB.getConfigForModule("PhoneModule");
 				var phoneOptions:PhoneOptions = new PhoneOptions();
-				if (vxml != null) {
-				phoneOptions.showButton = (vxml.@showButton.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.autoJoin = (vxml.@autoJoin.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.skipCheck = (vxml.@skipCheck.toString().toUpperCase() == "TRUE") ? true : false;
-				phoneOptions.joinGlobal = (vxml.@joinGlobal.toString().toUpperCase() == "TRUE") ? true : false;
-				}
 				if (noMicrophone() == false) {
 					var askToChangeEvent:BBBEvent;
 					askToChangeEvent = new BBBEvent("ASK_TO_CHANGE_VOICE_CONFERENCE_EVENT");
@@ -161,6 +168,10 @@
 			public function getAlignment():String{
 				return MainToolbar.ALIGN_LEFT;
 			}
+
+			public function setPresenter(value:Boolean):void {
+				amIPresenter = value;
+			}
 		]]>
 	</mx:Script>
 </mx:Button>
diff --git a/bigbluebutton-client/src/org/bigbluebutton/modules/videoconf/views/ToolbarButton.mxml b/bigbluebutton-client/src/org/bigbluebutton/modules/videoconf/views/ToolbarButton.mxml
index 014d0b7628..1bd4617a43 100755
--- a/bigbluebutton-client/src/org/bigbluebutton/modules/videoconf/views/ToolbarButton.mxml
+++ b/bigbluebutton-client/src/org/bigbluebutton/modules/videoconf/views/ToolbarButton.mxml
@@ -27,6 +27,7 @@
 		   mouseOut = "mouseOutHandler(event)"
 		   toolTip="{ResourceUtil.getInstance().getString('bbb.toolbar.video.toolTip.start')}"
 		   visible="{isPresenter}"
+		   includeInLayout="{isPresenter}"
 		   implements="org.bigbluebutton.common.IBbbToolbarComponent">
 
 	<mx:Script>