diff --git a/libpri.h b/libpri.h
index 6ffb45e..51c9936 100755
--- a/libpri.h
+++ b/libpri.h
@@ -179,6 +179,8 @@
 #define PRI_LAYER_1_V120_RATE_ADAPT	0x28
 #define PRI_LAYER_1_X31_RATE_ADAPT	0x29
 
+#define PRI_COPY_DIGITS_CALLED_NUMBER
+
 typedef struct q931_call q931_call;
 
 typedef struct pri_event_generic {
diff --git a/q931.c b/q931.c
index 00a71c8..7a2f008 100755
--- a/q931.c
+++ b/q931.c
@@ -785,13 +785,8 @@ static void dump_redirecting_subaddr(q931_ie *ie, int len, char prefix)
 
 static int receive_called_party_number(struct pri *pri, q931_call *call, int msgtype, q931_ie *ie, int len)
 {
-#ifdef SKIP_OVERLAP_SUPPORT
 	/* copy digits to call->callednum */
  	q931_get_number(call->callednum, sizeof(call->callednum), ie->data + 1, len - 3);
-#else
-	/* append new digits to call->callednum */
-	q931_get_number(call->callednum + strlen(call->callednum), sizeof(call->callednum) - strlen(call->callednum), ie->data + 1, len - 3);
-#endif
 	call->calledplan = ie->data[0] & 0x7f;
 	return 0;
 }