diff --git a/libs/freetdm/src/isdn/Q931StateNT.c b/libs/freetdm/src/isdn/Q931StateNT.c
index 6a4a37b0e7..8d05fb6d03 100644
--- a/libs/freetdm/src/isdn/Q931StateNT.c
+++ b/libs/freetdm/src/isdn/Q931StateNT.c
@@ -116,8 +116,9 @@ void Q931CreateNT(L3UCHAR i)
 	Q931SetIEProc(Q931ie_HIGH_LAYER_COMPATIBILITY,         i, Q931Pie_HLComp,      Q931Uie_HLComp);
 	Q931SetIEProc(Q931ie_USER_USER,                        i, Q931Pie_UserUser,    Q931Uie_UserUser);
 
-	Q931SetIEProc(Q931ie_CONNECTED_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
-	Q931SetIEProc(Q931ie_FACILITY,         i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_CONNECTED_NUMBER,   i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_FACILITY,           i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_REDIRECTING_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 
 	/* The following define a state machine. The point is that the Message
 	 * procs can when search this to find out if the message/state
diff --git a/libs/freetdm/src/isdn/Q931StateTE.c b/libs/freetdm/src/isdn/Q931StateTE.c
index b5486b37c0..562dd0b458 100644
--- a/libs/freetdm/src/isdn/Q931StateTE.c
+++ b/libs/freetdm/src/isdn/Q931StateTE.c
@@ -123,8 +123,9 @@ void Q931CreateTE(L3UCHAR i)
 	Q931SetIEProc(Q931ie_HIGH_LAYER_COMPATIBILITY,         i, Q931Pie_HLComp,      Q931Uie_HLComp);
 	Q931SetIEProc(Q931ie_USER_USER,                        i, Q931Pie_UserUser,    Q931Uie_UserUser);
 
-	Q931SetIEProc(Q931ie_CONNECTED_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
-	Q931SetIEProc(Q931ie_FACILITY,         i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_CONNECTED_NUMBER,   i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_FACILITY,           i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_REDIRECTING_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 
 	/* The following define a state machine. The point is that the Message
 	 * procs can when search this to find out if the message/state
diff --git a/libs/freetdm/src/isdn/Q931mes.c b/libs/freetdm/src/isdn/Q931mes.c
index 8283880288..8e34a170e1 100644
--- a/libs/freetdm/src/isdn/Q931mes.c
+++ b/libs/freetdm/src/isdn/Q931mes.c
@@ -1203,6 +1203,7 @@ L3INT Q931Umes_Setup(Q931_TrunkInfo_t *pTrunk, L3UCHAR *IBuf, Q931mes_Generic *m
 		case Q931ie_HIGH_LAYER_COMPATIBILITY:
 		case Q931ie_FACILITY:
 		case Q931ie_USER_USER:
+		case Q931ie_REDIRECTING_NUMBER:
 			rc = Q931Uie[pTrunk->Dialect][IBuf[IOff]](pTrunk, mes, &IBuf[IOff], &mes->buf[OOff], &IOff, &OOff);
 			if (rc != Q931E_NO_ERROR) 
 				return rc;
diff --git a/libs/freetdm/src/isdn/nationalStateNT.c b/libs/freetdm/src/isdn/nationalStateNT.c
index 6b6aa305d6..b150999650 100644
--- a/libs/freetdm/src/isdn/nationalStateNT.c
+++ b/libs/freetdm/src/isdn/nationalStateNT.c
@@ -120,6 +120,7 @@ void nationalCreateNT(L3UCHAR i)
 
 	Q931SetIEProc(Q931ie_CONNECTED_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 	Q931SetIEProc(Q931ie_FACILITY,         i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_REDIRECTING_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 
 	/* The following define a state machine. The point is that the Message	*/
 	/* procs can when search this to find out if the message/state			*/
diff --git a/libs/freetdm/src/isdn/nationalStateTE.c b/libs/freetdm/src/isdn/nationalStateTE.c
index a50ae3debd..46731d0910 100644
--- a/libs/freetdm/src/isdn/nationalStateTE.c
+++ b/libs/freetdm/src/isdn/nationalStateTE.c
@@ -129,6 +129,7 @@ void nationalCreateTE(L3UCHAR i)
 
 	Q931SetIEProc(Q931ie_CONNECTED_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 	Q931SetIEProc(Q931ie_FACILITY,         i, Q931Pie_Generic, Q931Uie_Generic);
+	Q931SetIEProc(Q931ie_REDIRECTING_NUMBER, i, Q931Pie_Generic, Q931Uie_Generic);
 
 	/* The following define a state machine. The point is that the Message
 	 * procs can when search this to find out if the message/state
diff --git a/libs/freetdm/src/isdn/nationalmes.c b/libs/freetdm/src/isdn/nationalmes.c
index 8d75760c8e..6d8350fbcd 100644
--- a/libs/freetdm/src/isdn/nationalmes.c
+++ b/libs/freetdm/src/isdn/nationalmes.c
@@ -92,8 +92,9 @@ L3INT nationalUmes_Setup(Q931_TrunkInfo_t *pTrunk, L3UCHAR *IBuf, Q931mes_Generi
 			case Q931ie_LOW_LAYER_COMPATIBILITY:
 			case Q931ie_HIGH_LAYER_COMPATIBILITY:
 			case Q931ie_FACILITY:
+			case Q931ie_REDIRECTING_NUMBER:
 				rc = Q931Uie[pTrunk->Dialect][IBuf[IOff]](pTrunk, mes, &IBuf[IOff], &mes->buf[OOff], &IOff, &OOff);
-				if (rc != Q931E_NO_ERROR) 
+				if (rc != Q931E_NO_ERROR)
 					return rc;
 				break;
 			case Q931ie_REPEAT_INDICATOR: