diff --git a/library/HNBLLIF_Templates.ttcn b/library/HNBLLIF_Templates.ttcn
index f330fdf..3fa49b7 100644
--- a/library/HNBLLIF_Templates.ttcn
+++ b/library/HNBLLIF_Templates.ttcn
@@ -248,4 +248,123 @@
 	}
 }
 
+/**********************
+ * AUDIO SAPI
+ **********************/
+
+template (value) HNBLLIF_Message ts_HNBLLIF_AUDIO_CONN_ESTABLISH_REQ(template (value) uint32_t context_id,
+								     template (value) uint16_t remote_rtp_port,
+								     template (value) HNBLLIF_AddrType remote_rtp_address_type,
+								     template (value) HNBLLIF_Addr remote_addr) := {
+	sapi := HNBLL_IF_SAPI_AUDIO,
+	u := {
+		audio := {
+			prim := HNBLL_IF_AUDIO_MSG_CONN_ESTABLISH,
+			u := {
+				conn_establish := {
+					op := HNBLL_IF_OP_REQUEST,
+					u := {
+						req := {
+							context_id := context_id,
+							remote_rtp_port := remote_rtp_port,
+							reserved := 0,
+							remote_rtp_address_type := remote_rtp_address_type,
+							remote_addr := remote_addr
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+template (present) HNBLLIF_Message tr_HNBLLIF_AUDIO_CONN_ESTABLISH_CNF(template (present) uint32_t context_id := ?,
+								     template (present) uint8_t error_code := ?,
+								     template (present) uint16_t local_rtp_port:= ?,
+								     template (present) HNBLLIF_AddrType local_rtp_address_type := ?,
+								     template (present) HNBLLIF_Addr local_addr := ?) := {
+	sapi := HNBLL_IF_SAPI_AUDIO,
+	u := {
+		audio := {
+			prim := HNBLL_IF_AUDIO_MSG_CONN_ESTABLISH,
+			u := {
+				conn_establish := {
+					op := HNBLL_IF_OP_CONFIRM,
+					u := {
+						cnf := {
+							context_id := context_id,
+							local_rtp_port := local_rtp_port,
+							error_code := error_code,
+							local_rtp_address_type := local_rtp_address_type,
+							local_addr := local_addr
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+template (value) HNBLLIF_Message ts_HNBLLIF_AUDIO_CONN_RELEASE_REQ(template (value) uint32_t context_id) := {
+	sapi := HNBLL_IF_SAPI_AUDIO,
+	u := {
+		audio := {
+			prim := HNBLL_IF_AUDIO_MSG_CONN_RELEASE,
+			u := {
+				conn_release := {
+					op := HNBLL_IF_OP_REQUEST,
+					u := {
+						req := {
+							context_id := context_id
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+template (present) HNBLLIF_Message tr_HNBLLIF_AUDIO_CONN_DATA_IND(template (present) uint32_t context_id := ?,
+							        template (present) octetstring data := ?) := {
+	sapi := HNBLL_IF_SAPI_AUDIO,
+	u := {
+		audio := {
+			prim := HNBLL_IF_AUDIO_MSG_CONN_DATA,
+			u := {
+				conn_data := {
+					op := HNBLL_IF_OP_INDICATION,
+					u := {
+						ind := {
+							context_id := context_id,
+							data_len := ?,
+							data := data
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+template (value) HNBLLIF_Message ts_HNBLLIF_AUDIO_CONN_DATA_REQ(template (value) uint32_t context_id,
+							      template (value) octetstring data) := {
+	sapi := HNBLL_IF_SAPI_AUDIO,
+	u := {
+		audio := {
+			prim := HNBLL_IF_AUDIO_MSG_CONN_DATA,
+			u := {
+				conn_data := {
+					op := HNBLL_IF_OP_REQUEST,
+					u := {
+						req := {
+							context_id := context_id,
+							data_len := lengthof(data),
+							data := data
+						}
+					}
+				}
+			}
+		}
+	}
+}
 } with { encode "RAW" variant "BYTEORDER(first)" };