--- asterisk-1.0.7.orig/apps/app_queue.c	2005-01-24 00:57:41.000000000 +0100
+++ asterisk-1.0.7/apps/app_queue.c	2005-05-30 13:08:35.000000000 +0200
@@ -867,6 +867,7 @@
 			    if (option_verbose > 3)
 					ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
 				*to=0;
+				ast_frfree(f);
 				return NULL;
 			}
 			if (f && (f->frametype == AST_FRAME_DTMF) && (f->subclass != '*') && valid_exit(qe, f->subclass)) {
@@ -874,8 +875,13 @@
 					ast_verbose(VERBOSE_PREFIX_3 "User pressed digit: %c", f->subclass);
 				*to=0;
 				*digit=f->subclass;
+				ast_frfree(f);
 				return NULL;
 			}
+			if (f) {
+	    		    ast_frfree(f);
+			    f = NULL;
+			}
 		}
 		if (!*to && (option_verbose > 2))
 			ast_verbose( VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);