Send CONNECT_ACKNOWLEDGE for CIS calls too.

The originator of the Q.SIG call completion signaling link was not changed
to the active state when the CONNECT message came in.  The T309 processing
would immediately kill the signaling link because it was not in the active
state.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@292489 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/sig_pri.c

@@ -5063,6 +5063,10 @@ static void *pri_dchannel(void *vpri)
 				break;
 			case PRI_EVENT_ANSWER:
 				if (sig_pri_is_cis_call(e->answer.channel)) {
+#if defined(HAVE_PRI_CALL_WAITING)
+					/* Call is CIS so do normal CONNECT_ACKNOWLEDGE. */
+					pri_connect_ack(pri->pri, e->answer.call, 0);
+#endif	/* defined(HAVE_PRI_CALL_WAITING) */
 					sig_pri_handle_cis_subcmds(pri, e->e, e->answer.subcmds,
 						e->answer.call);
 					break;