Index: apps/app_disa.c
===================================================================
RCS file: /usr/cvsroot/asterisk/apps/app_disa.c,v
retrieving revision 1.30
diff -u -r1.30 app_disa.c
--- apps/app_disa.c	15 Jul 2005 23:00:46 -0000	1.30
+++ apps/app_disa.c	18 Jul 2005 20:12:03 -0000
@@ -329,7 +329,9 @@
 		}
 		strncpy(chan->exten, exten, sizeof(chan->exten) - 1);
 		strncpy(chan->context, ourcontext, sizeof(chan->context) - 1);
-		strncpy(chan->accountcode, acctcode, sizeof(chan->accountcode) - 1);
+		if (!ast_strlen_zero(acctcode)) {
+			strncpy(chan->accountcode, acctcode, sizeof(chan->accountcode) - 1);
+		}
 		chan->priority = 0;
 		ast_cdr_reset(chan->cdr,AST_CDR_FLAG_POSTED);
 		LOCAL_USER_REMOVE(u);