MNCC_Emulation: Send HELLO in "server" role

Change-Id: I6ef9697ff365bae9fbf7c5888fdb0b88e63b13bb
diff --git a/library/MNCC_Types.ttcn b/library/MNCC_Types.ttcn
index 8d47efb..1818ff3 100644
--- a/library/MNCC_Types.ttcn
+++ b/library/MNCC_Types.ttcn
@@ -398,6 +398,20 @@
 
 external function dec_MNCC_PDU(in octetstring stream) return MNCC_PDU;
 
+template (value) MNCC_PDU ts_MNCC_HELLO(uint32_t version := 5) := {
+	msg_type := MNCC_SOCKET_HELLO,
+	u := {
+		hello := {
+			version := version,
+			mncc_size := 836,
+			data_frame_size := 8,
+			called_offset := 104,
+			signal_offset := 796,
+			emergency_offset := 812,
+			lchan_type_offset := 0
+		}
+	}
+}
 
 template MNCC_PDU ts_MNCC_Sign(MNCC_MsgType msg_type, MNCC_PDU_Signal sign) := {
 	msg_type := msg_type,