Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(Revision 219892)
+++ channels/chan_sip.c	(Arbeitskopie)
@@ -17927,7 +17927,7 @@
 	if (c) {	/* We have a call  -either a new call or an old one (RE-INVITE) */
 		enum ast_channel_state c_state = c->_state;
 
-		if (c_state != AST_STATE_UP && reinvite &&
+		if ((c_state != AST_STATE_UP) && (c_state != AST_STATE_DOWN) && reinvite &&
 			(p->invitestate == INV_TERMINATED || p->invitestate == INV_CONFIRMED)) {
 			/* If these conditions are true, and the channel is still in the 'ringing'
 			 * state, then this likely means that we have a situation where the initial