Index: channels/sig_pri.c
===================================================================
--- channels/sig_pri.c	(revision 298098)
+++ channels/sig_pri.c	(working copy)
@@ -1586,7 +1586,8 @@
 		/* Start the real PBX */
 		ast_copy_string(chan->exten, exten, sizeof(chan->exten));
 		sig_pri_dsp_reset_and_flush_digits(p);
-		if (p->pri->overlapdial & DAHDI_OVERLAPDIAL_INCOMING) {
+		if (!ast_matchmore_extension(chan, chan->context, exten, 1, p->cid_num)
+		    && (p->pri->overlapdial & DAHDI_OVERLAPDIAL_INCOMING)) {
 			sig_pri_lock_private(p);
 			if (p->pri->pri) {		
 				if (!pri_grab(p, p->pri)) {