sgsn: Add TC_rau_unknown

Change-Id: If33fc690cedcc362c3cd5d7c1951440ecba328c2
diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 396a361..b37ee25 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -1471,6 +1471,7 @@
 				mSNetworkCapability := omit,
 				pdpContextStatus := omit, /* TODO */
 				pC_LCSCapability := omit,
+				mBMS_ContextStatus := omit,
 				uENetworkCapability := omit,
 				additionalMobileIdentity := omit,
 				oldRoutingAreaIdentification2 := omit,
@@ -1492,6 +1493,28 @@
 	}
 }
 
+template PDU_L3_SGSN_MS tr_GMM_RAU_REJECT(template OCT1 cause := ?) := {
+	discriminator := '1000'B,
+	tiOrSkip := {
+		skipIndicator := '0000'B
+	},
+	msgs := {
+		gprs_mm := {
+			routingAreaUpdateReject := {
+				messageType := '00001011'B,
+				gmmCause := {
+					causeValue := cause
+				},
+				forceToStandby := ?,
+				spare := '0000'B,
+				t3302 := *,
+				t3346 := *
+			}
+		}
+	}
+}
+
+
 template (value) PDU_L3_MS_SGSN ts_GMM_RAU_COMPL := {
 	discriminator := '0000'B, /* overwritten */
 	tiOrSkip := {