diff -r e34c46682d97 indra/newview/llcallfloater.cpp
--- a/indra/newview/llcallfloater.cpp	Wed Mar 23 20:48:53 2011 -0400
+++ b/indra/newview/llcallfloater.cpp	Thu Mar 24 12:06:50 2011 -0400
@@ -50,6 +50,7 @@
 #include "llviewerwindow.h"
 #include "llvoicechannel.h"
 #include "llviewerparcelmgr.h"
+#include "llfirstuse.h"
 
 static void get_voice_participants_uuids(uuid_vec_t& speakers_uuids);
 void reshape_floater(LLCallFloater* floater, S32 delta_height);
@@ -170,13 +171,13 @@
 	updateTransparency(TT_ACTIVE); // force using active floater transparency (STORM-730)
 	
 	updateSession();
-
 	return TRUE;
 }
 
 // virtual
 void LLCallFloater::onOpen(const LLSD& /*key*/)
 {
+	LLFirstUse::speak(false);
 }
 
 // virtual
diff -r e34c46682d97 indra/newview/llspeakbutton.cpp
--- a/indra/newview/llspeakbutton.cpp	Wed Mar 23 20:48:53 2011 -0400
+++ b/indra/newview/llspeakbutton.cpp	Thu Mar 24 12:06:50 2011 -0400
@@ -38,6 +38,7 @@
 #include "llspeakbutton.h"
 
 #include "llbottomtray.h"
+#include "llfirstuse.h"
 
 static LLDefaultChildRegistry::Register<LLSpeakButton> t1("talk_button");
 
@@ -176,10 +177,12 @@
 {
 	bool down = true;
 	LLVoiceClient::getInstance()->inputUserControlState(down); // this method knows/care about whether this translates into a toggle-to-talk or down-to-talk
+	LLFirstUse::speak(false);
 }
 void LLSpeakButton::onMouseUp_SpeakBtn()
 {
 	bool down = false;
 	LLVoiceClient::getInstance()->inputUserControlState(down);
+	LLFirstUse::speak(false);
 }
 
diff -r e34c46682d97 indra/newview/skins/default/xui/en/notifications.xml
--- a/indra/newview/skins/default/xui/en/notifications.xml	Wed Mar 23 20:48:53 2011 -0400
+++ b/indra/newview/skins/default/xui/en/notifications.xml	Thu Mar 24 12:06:50 2011 -0400
@@ -6611,9 +6611,7 @@
   label="Speak"
   type="hint"
   unique="true">
-Click the Speak button to turn your microphone off and on.
-
-Your microphone is on by default.
+Click the Speak button to turn your microphone on and off.
 
 Click on the up arrow to see the voice control panel.