Fix audio bug in BigBlueButton plugin. See https://groups.google.com/forum/#\!topic/bigbluebutton-dev/1h30VHnu_fU - refs #5884

plugin/bbb/lib/bbb.lib.php

@@ -127,7 +127,7 @@ class bbb {
                 'moderatorPw' => $moderator_password, 					// Match this value in getJoinMeetingURL() to join as moderator.
                 'welcomeMsg' => $welcome_msg, 					// ''= use default. Change to customize.
                 'dialNumber' => '', 					// The main number to call into. Optional.
-                'voiceBridge' => '0', 					// PIN to join voice. Optional.
+                'voiceBridge' => '12345', 					// PIN to join voice. Required.
                 'webVoice' => '', 						// Alphanumeric to join voice. Optional.
                 'logoutUrl' =>  $this->logout_url,
                 'maxParticipants' => $max, 				// Optional. -1 = unlimitted. Not supported in BBB. [number]

plugin/bbb/lib/bbb_api.php

@@ -153,7 +153,7 @@ class BigBlueButtonBN {
 			'moderatorPw' => 'mp', 		-- Set to 'mp' and use 'mp' to join = no user pass required.
 			'welcomeMsg' => '', 		-- ''= use default. Change to customize.
 			'dialNumber' => '', 		-- The main number to call into. Optional.
-			'voiceBridge' => '', 		-- PIN to join voice. Optional.
+			'voiceBridge' => '', 		-- 5 digits PIN to join voice. Required.
 			'webVoice' => '', 			-- Alphanumeric to join voice. Optional.
 			'logoutUrl' => '', 			-- Default in bigbluebutton.properties. Optional.
 			'maxParticipants' => '-1', 	-- Optional. -1 = unlimitted. Not supported in BBB. [number]
@@ -574,4 +574,4 @@ class BigBlueButtonBN {
 
 } // END OF BIGBLUEBUTTON CLASS
 
-?>
+?>