This patch resolves 10143; thanks to irroot for the patch; looked acceptable. Let the community decide if it messes things up

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@74955 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -13201,6 +13201,7 @@ static int handle_invite_replaces(struct sip_pvt *p, struct sip_request *req, in
 	ast_mutex_unlock(&p->refer->refer_call->lock);
 
 	/* Make sure that the masq does not free our PVT for the old call */
+	if (! earlyreplace && ! oneleggedreplace )
 		ast_set_flag(&p->refer->refer_call->flags[0], SIP_DEFER_BYE_ON_TRANSFER);	/* Delay hangup */
 		
 	/* Prepare the masquerade - if this does not happen, we will be gone */
@@ -13418,7 +13419,7 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
 			error = 1;
 		}
 
-		if (!error && p->refer->refer_call->owner->_state != AST_STATE_RING && p->refer->refer_call->owner->_state != AST_STATE_UP ) {
+		if (!error && p->refer->refer_call->owner->_state != AST_STATE_RINGING && p->refer->refer_call->owner->_state != AST_STATE_RING && p->refer->refer_call->owner->_state != AST_STATE_UP ) {
 			ast_log(LOG_NOTICE, "Supervised transfer attempted to replace non-ringing or active call id (%s)!\n", replace_id);
 			transmit_response(p, "603 Declined (Replaces)", req);
 			error = 1;