--- asterisk-1.4.26.2/apps/app_meetme.c	2009-08-10 21:14:34.000000000 +0100
+++ asterisk-1.4.26.2.kls/apps/app_meetme.c	2009-09-11 00:13:38.000000000 +0100
@@ -2833,10 +2833,11 @@
 				if (allowretry)
 					confno[0] = '\0';
 			} else {
-				if ((!ast_strlen_zero(cnf->pin) &&
-				     !ast_test_flag(&confflags, CONFFLAG_ADMIN)) ||
-				    (!ast_strlen_zero(cnf->pinadmin) &&
-				     ast_test_flag(&confflags, CONFFLAG_ADMIN))) {
+				if (((!ast_strlen_zero(cnf->pin) &&
+				      !ast_test_flag(&confflags, CONFFLAG_ADMIN)) ||
+				     (!ast_strlen_zero(cnf->pinadmin) &&
+				      ast_test_flag(&confflags, CONFFLAG_ADMIN))) &&
+				   (!(cnf->users == 0 && cnf->isdynamic))) {
 					char pin[MAX_PIN] = "";
 					int j;