diff --git a/tests/data/TechProfile-TT-VoIP.json b/tests/data/TechProfile-TT-VoIP.json
new file mode 100644
index 0000000..a5ead2d
--- /dev/null
+++ b/tests/data/TechProfile-TT-VoIP.json
@@ -0,0 +1,55 @@
+{
+	"name": "VOIP",
+	"profile_type": "XPON",
+	"version": 1,
+	"num_gem_ports": 1,
+	"instance_control": {
+		"onu": "single-instance",
+		"uni": "single-instance",
+		"max_gem_payload_size": "auto"
+	},
+	"us_scheduler": {
+		"additional_bw": "AdditionalBW_BestEffort",
+		"direction": "UPSTREAM",
+		"priority": 0,
+		"weight": 20,
+		"q_sched_policy": "StrictPriority"
+	},
+	"ds_scheduler": {
+		"additional_bw": "AdditionalBW_BestEffort",
+		"direction": "DOWNSTREAM",
+		"priority": 0,
+		"weight": 20,
+		"q_sched_policy": "StrictPriority"
+	},
+	"upstream_gem_port_attribute_list": [{
+			"pbit_map": "0b10000000",
+			"aes_encryption": "True",
+			"scheduling_policy": "StrictPriority",
+			"priority_q": 0,
+			"weight": 20,
+			"discard_policy": "TailDrop",
+			"max_q_size": "auto",
+			"discard_config": {
+        			"max_threshold": 0,
+        			"min_threshold": 0,
+        			"max_probability": 0
+      			}
+		}
+	],
+	"downstream_gem_port_attribute_list": [{
+			"pbit_map": "0b10000000",
+			"aes_encryption": "True",
+			"scheduling_policy": "StrictPriority",
+			"priority_q": 0,
+			"weight": 20,
+			"discard_policy": "TailDrop",
+			"max_q_size": "auto",
+			"discard_config": {
+				"max_threshold": 0,
+				"min_threshold": 0,
+				"max_probability": 0
+			}
+		}
+	]
+}