diff --git a/reflector/CodecStream.cpp b/reflector/CodecStream.cpp
index 301ad12..a45a391 100644
--- a/reflector/CodecStream.cpp
+++ b/reflector/CodecStream.cpp
@@ -62,7 +62,7 @@ CCodecStream::~CCodecStream()
 
 bool CCodecStream::Init()
 {
-	m_TCWriter.SetUp("ReftoTC");
+	m_TCWriter.SetUp(REF2TC);
 	keep_running = true;
 	m_Future = std::async(std::launch::async, &CCodecStream::Thread, this);
 
@@ -128,9 +128,13 @@ void CCodecStream::Task(void)
 		m_fPingSum += ping;
 		m_fPingCount += 1;
 
-		// pop the original packet
-		if ( !m_LocalQueue.empty() )
+		if ( m_LocalQueue.empty() )
 		{
+			std::cout << "Unexpected transcoded packet received from transcoder" << std::endl;
+		}
+		else
+		{
+			// pop the original packet
 			auto Packet = m_LocalQueue.pop();
 			auto Frame = (CDvFramePacket *)Packet.get();
 			// todo: check the PID
@@ -148,10 +152,6 @@ void CCodecStream::Task(void)
 			m_PacketStream->push(Packet);
 			m_PacketStream->Unlock();
 		}
-		else
-		{
-			std::cout << "Unexpected transcoded packet received from transcoder" << std::endl;
-		}
 	}
 
 	// anything in our queue
@@ -159,9 +159,14 @@ void CCodecStream::Task(void)
 	{
 		// yes, pop it from queue
 		auto Packet = pop();
+
+		// we need a CDvFramePacket pointer to access Frame stuff
 		auto Frame = (CDvFramePacket *)Packet.get();
 
-		// yes, send to transcoder
+		// update important stuff in Frame->m_TCPack for the transcoder
+		Frame->SetTCParams();
+
+		// now send to transcoder
 		// this assume that thread pushing the Packet
 		// have verified that the CodecStream is connected
 		// and that the packet needs transcoding
diff --git a/reflector/DVFramePacket.cpp b/reflector/DVFramePacket.cpp
index 55cc0bb..2258971 100644
--- a/reflector/DVFramePacket.cpp
+++ b/reflector/DVFramePacket.cpp
@@ -142,30 +142,17 @@ void CDvFramePacket::SetDvData(const uint8_t *DvData)
 	memcpy(m_uiDvData, DvData, 3);
 }
 
-void CDvFramePacket::SetCodecData(ECodecType type, const uint8_t *data)
-{
-	switch (type)
-	{
-	case ECodecType::dstar:
-		memcpy(m_TCPack.dstar, data, 9);
-		break;
-	case ECodecType::dmr:
-		memcpy(m_TCPack.dmr, data, 3);
-		break;
-	case ECodecType::c2_1600:
-		memcpy(m_TCPack.m17, data, 8);
-		break;
-	case ECodecType::c2_3200:
-		memcpy(m_TCPack.m17, data, 16);
-		break;
-	}
-}
-
 void CDvFramePacket::SetCodecData(const STCPacket *pack)
 {
 	memcpy(&m_TCPack, pack, sizeof(STCPacket));
 }
 
+void CDvFramePacket::SetTCParams()
+{
+	m_TCPack.streamid = m_uiStreamId;
+	m_TCPack.is_second = m_bIsSecond;
+	m_TCPack.is_last = m_bLastPacket;
+}
 
 ////////////////////////////////////////////////////////////////////////////////////////
 // operators
diff --git a/reflector/DVFramePacket.h b/reflector/DVFramePacket.h
index e7a3d9b..8a7cc6c 100644
--- a/reflector/DVFramePacket.h
+++ b/reflector/DVFramePacket.h
@@ -67,8 +67,8 @@ public:
 
 	// set
 	void SetDvData(const uint8_t *);
-	void SetCodecData(ECodecType, const uint8_t *);
 	void SetCodecData(const STCPacket *pack);
+	void SetTCParams(void);
 
 	// operators
 	bool operator ==(const CDvFramePacket &) const;
diff --git a/reflector/Reflector.cpp b/reflector/Reflector.cpp
index 5a2ddf9..17fc240 100644
--- a/reflector/Reflector.cpp
+++ b/reflector/Reflector.cpp
@@ -87,12 +87,13 @@ bool CReflector::Start(void)
 	for (auto it=m_Modules.cbegin(); it!=m_Modules.cend(); it++)
 	{
 		m_TCReader[*it] = std::make_shared<CUnixDgramReader>();
-		std::string readername("TCtoRef");
+		std::string readername(TC2REF);
 		readername.append(1, *it);
 		if (m_TCReader[*it]->Open(readername.c_str()))
 		{
 			std::cerr << "ERROR: Reflector can't open " << readername << std::endl;
 			m_TCReader[*it].reset();
+			return false;
 		}
 		m_Stream[*it] = std::make_shared<CPacketStream>(m_TCReader[*it]);
 		m_RouterFuture[*it] = std::async(std::launch::async, &CReflector::RouterThread, this, *it);
diff --git a/reflector/TCPacketDef.h b/reflector/TCPacketDef.h
index ed13d70..52c5c82 100644
--- a/reflector/TCPacketDef.h
+++ b/reflector/TCPacketDef.h
@@ -18,10 +18,15 @@
 
 #include <cstdint>
 
+#define TC2REF "TC2URFMod"
+#define REF2TC "URF2TC"
+
 enum class ECodecType : std::uint8_t { none = 0, dstar = 1, dmr = 2, c2_1600 = 3, c2_3200 = 4 };
 
 using STCPacket = struct tcpacket_tag {
 	char module;
+	bool is_second, is_last;
+	uint16_t streamid;
 	ECodecType codec_in;
 	uint8_t dstar[9];
 	uint8_t dmr[9];