--- asterisk-issue8824-2009-01-29/channels/chan_dahdi.c	2009-09-10 18:50:03.000000000 +0200
+++ asterisk-issue8824-2009-01-29.new/channels/chan_dahdi.c	2009-09-10 18:55:43.000000000 +0200
@@ -13278,16 +13278,19 @@
 						unsigned int handle;
 						int cr = e->hangup.cref;
 						unsigned int state = 0;
-
+						struct ast_channel *peer;
 						handle = CCBS_HANDLE(ccbsnronprispan,cr);
 						cclink = ccbsnr_get_link(handle, &state);
+						peer = cclink->peer;
 						if (cclink) {
 							switch (state) {
 							case CC_WAIT_ACK:
+								ast_verbose(VERBOSE_PREFIX_4 "PRI_EVENT_HANGUP: PRI_CC_ERROR:set per peer %x state ABORTED\n", (int)peer);
+								pbx_builtin_setvar_helper(peer, "CCBSNRREQSTATE", "ABORTED");
 							case CC_WAIT_USER_A_ANSWER_N:
 							case CC_INVOKED_A_RET:
 								ast_verbose(VERBOSE_PREFIX_4 "PRI_EVENT_HANGUP: CCBS-List-Obj 0x%x: handle %x e->hangup.channel(0x%x) span(%d) explicit(%d) channel(%d) error(%d) peer=%x\n", 
-													(int)cclink, handle, e->hangup.channel, ccbsnronprispan, explicit, channel, errorvalue, (int)cclink->peer);
+													(int)cclink, handle, e->hangup.channel, ccbsnronprispan, explicit, channel, errorvalue, (int)peer);
 
 								pri_hangup(pri->pri, cclink->call, e->hangup.cause);
 								cclink->call = NULL;