diff --git a/src/gprs_ms.h b/src/gprs_ms.h
index 7c71bd1..0185836 100644
--- a/src/gprs_ms.h
+++ b/src/gprs_ms.h
@@ -72,6 +72,9 @@
 	uint8_t ms_class() const;
 	void set_ms_class(uint8_t ms_class);
 
+	uint8_t current_cs_ul() const;
+	uint8_t current_cs_dl() const;
+
 	gprs_llc_queue *llc_queue();
 	const gprs_llc_queue *llc_queue() const;
 
@@ -114,6 +117,10 @@
 	char m_imsi[16];
 	uint8_t m_ta;
 	uint8_t m_ms_class;
+	/* current coding scheme */
+	uint8_t m_current_cs_ul;
+	uint8_t m_current_cs_dl;
+
 	gprs_llc_queue m_llc_queue;
 
 	bool m_is_idle;
@@ -151,6 +158,16 @@
 	return m_ms_class;
 }
 
+inline uint8_t GprsMs::current_cs_dl() const
+{
+	return m_current_cs_dl;
+}
+
+inline uint8_t GprsMs::current_cs_ul() const
+{
+	return m_current_cs_ul;
+}
+
 inline void GprsMs::set_timeout(unsigned secs)
 {
 	m_delay = secs;