Index: apps/app_meetme.c
===================================================================
--- apps/app_meetme.c	(revision 168574)
+++ apps/app_meetme.c	(working copy)
@@ -2191,6 +2191,7 @@
 			/* Sorry, but this confernce has reached the participant limit! */	
 			if (!ast_streamfile(chan, "conf-full", chan->language))
 				ast_waitstream(chan, "");
+			ast_mutex_unlock(&conf->playlock);
 			goto outrun;
 		}