diff --git a/library/BSSMAP_Templates.ttcn b/library/BSSMAP_Templates.ttcn
index 1eebb02..02aad9f 100644
--- a/library/BSSMAP_Templates.ttcn
+++ b/library/BSSMAP_Templates.ttcn
@@ -112,6 +112,36 @@
 	GSM0808_CAUSE_DTM_HO_TIMER_EXPIRY				('1100010'B)
 } with { variant "FIELDLENGTH(7)" };
 
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Transparent: Data Rate */
+const OCT1 GSM0808_DATA_RATE_TRANSP_32k0    := ('3a'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_28k8    := ('39'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_14k4    := ('18'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_9k6     := ('10'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_4k8     := ('11'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_2k4	    := ('12'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_1k2	    := ('13'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_600	    := ('14'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_1200_75 := ('15'O);
+
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Non-Transparent: Radio Interface Data Rate (preferred) */
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_12000_6000 := ('00'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_43k5       := ('34'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_29k0       := ('31'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_14k5       := ('14'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_12k0       := ('10'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_6k0        := ('11'O);
+
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Non-Transparent: Allowed Radio Interface Data Rate (all possible allowed) */
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_43k5 := ('40'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_32k0 := ('20'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_29k0 := ('10'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_14k5 := ('08'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_12k0 := ('02'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_6k0  := ('01'O);
+
 type enumerated BSSMAP_LcsCause {
 	BSSMAP_LCS_CAUSE_UNSPECIFIED		('00000000'B),
 	BSSMAP_LCS_CAUSE_SYSTEM_FAILURE		('00000001'B),
@@ -603,6 +633,15 @@
 	codecType := FR_AMR_WB,
 	s0_7 :=  '00000001'B
 }
+template (value) BSSMAP_FIELD_CodecElement ts_CodecCSData modifies ts_CodecBase := {
+	codecType := CodecExtension,
+	tF := '0'B, /* Spare */
+	pT := '0'B, /* CSDoTDM */
+	pI := '1'B, /* CSDoIP */
+	fI := '0'B, /* Spare */
+	extendedCodecType := 'FD'O, /* CSData */
+	s0_7 := '00000000'B /* R2, R3, Spare */
+}
 template BSSMAP_IE_SpeechCodecList ts_BSSMAP_IE_CodecList(template BSSMAP_FIELD_CodecElements elem) := {
 	elementIdentifier := '7D'O,
 	lengthIndicator := 0, /* overwritten */