diff --git a/indra/newview/llconversationmodel.cpp b/indra/newview/llconversationmodel.cpp
index bea1f78284e75184686d0afa519d55e336925866..c715815208010beb291cdb6b401598c35d598b52 100644
--- a/indra/newview/llconversationmodel.cpp
+++ b/indra/newview/llconversationmodel.cpp
@@ -351,7 +351,7 @@ void LLConversationItemSession::setParticipantIsMuted(const LLUUID& participant_
 	LLConversationItemParticipant* participant = findParticipant(participant_id);
 	if (participant)
 	{
-		participant->muteVoice(is_muted);
+		participant->moderateVoice(is_muted);
 	}
 }
 
@@ -498,6 +498,7 @@ void LLConversationItemSession::onAvatarNameCache(const LLAvatarName& av_name)
 
 LLConversationItemParticipant::LLConversationItemParticipant(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
 	LLConversationItem(display_name,uuid,root_view_model),
+	mIsModeratorMuted(false),
 	mIsModerator(false),
 	mDisplayModeratorLabel(false),
 	mDistToAgent(-1.0)
@@ -508,6 +509,7 @@ LLConversationItemParticipant::LLConversationItemParticipant(std::string display
 
 LLConversationItemParticipant::LLConversationItemParticipant(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
 	LLConversationItem(uuid,root_view_model),
+	mIsModeratorMuted(false),
 	mIsModerator(false),
 	mDisplayModeratorLabel(false),
 	mDistToAgent(-1.0)
@@ -597,7 +599,7 @@ void LLConversationItemParticipant::setDisplayModeratorRole(bool displayRole)
 
 bool LLConversationItemParticipant::isVoiceMuted()
 {
-	return LLMuteList::getInstance()->isMuted(mUUID, LLMute::flagVoiceChat);
+	return mIsModeratorMuted || LLMuteList::getInstance()->isMuted(mUUID, LLMute::flagVoiceChat);
 }
 
 void LLConversationItemParticipant::muteVoice(bool mute_voice)
diff --git a/indra/newview/llconversationmodel.h b/indra/newview/llconversationmodel.h
index 3868bafae4db0daecae40aeaa5f231860572ad70..2da9f03c6c5182e43b00a36e7d984643e948bb62 100644
--- a/indra/newview/llconversationmodel.h
+++ b/indra/newview/llconversationmodel.h
@@ -194,8 +194,10 @@ class LLConversationItemParticipant : public LLConversationItem
 	virtual const std::string& getDisplayName() const { return mDisplayName; }
 
 	bool isVoiceMuted();
+	bool isModeratorMuted() { return mIsModeratorMuted; }
 	bool isModerator() const { return mIsModerator; }
 	void muteVoice(bool mute_voice);
+	void moderateVoice(bool mute_voice) { mIsModeratorMuted = mute_voice; }
 	void setIsModerator(bool is_moderator) { mIsModerator = is_moderator; mNeedsRefresh = true; }
 	void setTimeNow() { mLastActiveTime = LLFrameTimer::getElapsedSeconds(); mNeedsRefresh = true; }
 	void setDistance(F64 dist) { mDistToAgent = dist; mNeedsRefresh = true; }
@@ -216,6 +218,7 @@ class LLConversationItemParticipant : public LLConversationItem
 	void onAvatarNameCache(const LLAvatarName& av_name);	// callback used by fetchAvatarName
 	void updateName(const LLAvatarName& av_name);
 
+	bool mIsModeratorMuted;	         // default is false
 	bool mIsModerator;	         // default is false
 	bool mDisplayModeratorLabel; // default is false
 	std::string mDisplayName;
diff --git a/indra/newview/llconversationview.cpp b/indra/newview/llconversationview.cpp
index 15a8aacd3733475576b4130d3e8e9cf7525d0a3a..dee0a52ce811d2d719a57ce546cd214675346d3d 100644
--- a/indra/newview/llconversationview.cpp
+++ b/indra/newview/llconversationview.cpp
@@ -605,6 +605,20 @@ S32 LLConversationViewParticipant::arrange(S32* width, S32* height)
     return arranged;
 }
 
+// virtual
+void LLConversationViewParticipant::refresh()
+{
+	// Refresh the participant view from its model data
+	LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(getViewModelItem());
+	participant_model->resetRefresh();
+	
+	// *TODO: We should also do something with vmi->isModerator() to echo that state in the UI somewhat
+	mSpeakingIndicator->setIsModeratorMuted(participant_model->isModeratorMuted());
+	
+	// Do the regular upstream refresh
+	LLFolderViewItem::refresh();
+}
+
 void LLConversationViewParticipant::addToFolder(LLFolderViewFolder* folder)
 {
     // Add the item to the folder (conversation)
diff --git a/indra/newview/llconversationview.h b/indra/newview/llconversationview.h
index 5a74974302678e5978472ad74a926b00743a83ee..06ffb517bbaf77a45446ff5ec1bf5dc03d6cda76 100644
--- a/indra/newview/llconversationview.h
+++ b/indra/newview/llconversationview.h
@@ -136,6 +136,7 @@ class LLConversationViewParticipant : public LLFolderViewItem
     virtual ~LLConversationViewParticipant( void );
 
     bool hasSameValue(const LLUUID& uuid) { return (uuid == mUUID); }
+    /*virtual*/ void refresh();
     void addToFolder(LLFolderViewFolder* folder);
 	void addToSession(const LLUUID& session_id);
 
diff --git a/indra/newview/lloutputmonitorctrl.cpp b/indra/newview/lloutputmonitorctrl.cpp
index 6c26073d5baa7283fbdcb505fa145e4dd2494341..c5e4593b79c34bf1d0a518edbc038230d3546c6c 100644
--- a/indra/newview/lloutputmonitorctrl.cpp
+++ b/indra/newview/lloutputmonitorctrl.cpp
@@ -72,6 +72,7 @@ LLOutputMonitorCtrl::LLOutputMonitorCtrl(const LLOutputMonitorCtrl::Params& p)
 	mImageLevel3(p.image_level_3),
 	mAutoUpdate(p.auto_update),
 	mSpeakerId(p.speaker_id),
+	mIsModeratorMuted(false),
 	mIsAgentControl(false),
 	mIndicatorToggled(false),
 	mShowParticipantsSpeaking(false)
@@ -124,7 +125,7 @@ void LLOutputMonitorCtrl::draw()
 	const F32 LEVEL_1 = LLVoiceClient::OVERDRIVEN_POWER_LEVEL * 2.f / 3.f;
 	const F32 LEVEL_2 = LLVoiceClient::OVERDRIVEN_POWER_LEVEL;
 
-	if (getVisible() && mAutoUpdate && !mIsMuted && mSpeakerId.notNull())
+	if (getVisible() && mAutoUpdate && !getIsMuted() && mSpeakerId.notNull())
 	{
 		setPower(LLVoiceClient::getInstance()->getCurrentPower(mSpeakerId));
 		if(mIsAgentControl)
@@ -156,7 +157,7 @@ void LLOutputMonitorCtrl::draw()
 	}
 
 	LLPointer<LLUIImage> icon;
-	if (mIsMuted)
+	if (getIsMuted())
 	{
 		icon = mImageMute;
 	}
diff --git a/indra/newview/lloutputmonitorctrl.h b/indra/newview/lloutputmonitorctrl.h
index 0682af1278c95dda4fde4c44b32255d2f982893f..af52a81b043146e3b207c435ba6d17cc393f6200 100644
--- a/indra/newview/lloutputmonitorctrl.h
+++ b/indra/newview/lloutputmonitorctrl.h
@@ -72,7 +72,10 @@ class LLOutputMonitorCtrl
 
 	void			setPower(F32 val);
 	F32				getPower(F32 val) const { return mPower; }
-	
+
+	bool			getIsMuted() const { return (mIsMuted || mIsModeratorMuted); }
+	void			setIsModeratorMuted(bool val) { mIsModeratorMuted = val; }
+
 	// For the current user, need to know the PTT state to show
 	// correct button image.
 	void			setIsAgentControl(bool val) { mIsAgentControl = val; }
@@ -131,6 +134,7 @@ class LLOutputMonitorCtrl
 
 	F32				mPower;
 	bool			mIsAgentControl;
+	bool			mIsModeratorMuted;
 	bool			mIsMuted;
 	bool			mIsTalking;
 	bool			mShowParticipantsSpeaking;