diff --git a/scenarios/auth_fail/0001_test.yml.tt2 b/scenarios/auth_fail/0001_test.yml.tt2
new file mode 100644
index 00000000..002055f6
--- /dev/null
+++ b/scenarios/auth_fail/0001_test.yml.tt2
@@ -0,0 +1,27 @@
+# REGISTER scenario
+flow:
+  - start|MAIN:
+      $fU: testuser1003
+      $tU: testuser1003
+  - start|ROUTE_NET_INFO:
+      $fU: testuser1003
+      $tU: testuser1003
+  - end|ROUTE_NET_INFO:
+  - start|ROUTE_REG_REQUEST:
+  - start|ROUTE_REG_HANDLE:
+  - start|ROUTE_AUTH:
+  - exit|ROUTE_AUTH:
+sip_in:
+  - '^REGISTER'
+  - 'Contact: sip:testuser1003@'
+  - 'Content-Length: 0'
+  - 'Expires: 600'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'Content-Length: 0'
+    ]
+  - [
+      '^SIP/2.0 401 Unauthorized',
+      'Content-Length: 0'
+    ]
diff --git a/scenarios/auth_fail/0002_test.yml.tt2 b/scenarios/auth_fail/0002_test.yml.tt2
new file mode 100644
index 00000000..c3dc8c1f
--- /dev/null
+++ b/scenarios/auth_fail/0002_test.yml.tt2
@@ -0,0 +1,26 @@
+# REGISTER scenario
+flow:
+  - start|MAIN:
+  - start|ROUTE_NET_INFO:
+  - end|ROUTE_NET_INFO:
+  - start|ROUTE_REG_REQUEST:
+  - start|ROUTE_REG_HANDLE:
+  - start|ROUTE_AUTH:
+  - start|ROUTE_ADD_CALLINFO_REPLY:
+  - return|ROUTE_ADD_CALLINFO_REPLY:
+  - exit|ROUTE_AUTH:
+sip_in:
+  - '^REGISTER'
+  - 'Contact: sip:testuser1003@'
+  - 'Content-Length: 0'
+  - 'Expires: 600'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'Content-Length: 0'
+    ]
+  - [
+      '^SIP/2.0 401 Unauthorized',
+      'Content-Length: 0'
+    ]
+
diff --git a/scenarios/auth_fail/0003_test.yml.tt2 b/scenarios/auth_fail/0003_test.yml.tt2
new file mode 100644
index 00000000..c3dc8c1f
--- /dev/null
+++ b/scenarios/auth_fail/0003_test.yml.tt2
@@ -0,0 +1,26 @@
+# REGISTER scenario
+flow:
+  - start|MAIN:
+  - start|ROUTE_NET_INFO:
+  - end|ROUTE_NET_INFO:
+  - start|ROUTE_REG_REQUEST:
+  - start|ROUTE_REG_HANDLE:
+  - start|ROUTE_AUTH:
+  - start|ROUTE_ADD_CALLINFO_REPLY:
+  - return|ROUTE_ADD_CALLINFO_REPLY:
+  - exit|ROUTE_AUTH:
+sip_in:
+  - '^REGISTER'
+  - 'Contact: sip:testuser1003@'
+  - 'Content-Length: 0'
+  - 'Expires: 600'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'Content-Length: 0'
+    ]
+  - [
+      '^SIP/2.0 401 Unauthorized',
+      'Content-Length: 0'
+    ]
+
diff --git a/scenarios/auth_fail/0004_test.yml.tt2 b/scenarios/auth_fail/0004_test.yml.tt2
new file mode 100644
index 00000000..c3dc8c1f
--- /dev/null
+++ b/scenarios/auth_fail/0004_test.yml.tt2
@@ -0,0 +1,26 @@
+# REGISTER scenario
+flow:
+  - start|MAIN:
+  - start|ROUTE_NET_INFO:
+  - end|ROUTE_NET_INFO:
+  - start|ROUTE_REG_REQUEST:
+  - start|ROUTE_REG_HANDLE:
+  - start|ROUTE_AUTH:
+  - start|ROUTE_ADD_CALLINFO_REPLY:
+  - return|ROUTE_ADD_CALLINFO_REPLY:
+  - exit|ROUTE_AUTH:
+sip_in:
+  - '^REGISTER'
+  - 'Contact: sip:testuser1003@'
+  - 'Content-Length: 0'
+  - 'Expires: 600'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'Content-Length: 0'
+    ]
+  - [
+      '^SIP/2.0 401 Unauthorized',
+      'Content-Length: 0'
+    ]
+
diff --git a/scenarios/auth_fail/scenario.yml b/scenarios/auth_fail/scenario.yml
new file mode 100644
index 00000000..fc2f185b
--- /dev/null
+++ b/scenarios/auth_fail/scenario.yml
@@ -0,0 +1,18 @@
+subscribers:
+  spce.test:
+    testuser1003:
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1003
+scenarios:
+  - ip: 127.126.254.1
+    domain: spce.test
+    username: testuser1003
+    password_wrong: yes
+    responders:
+      - ip: 127.1.0.1
+        domain: spce.test
+        register: no
+        username: testuser1003
+        active: no
diff --git a/scenarios/auth_fail/sipp_scenario00.xml b/scenarios/auth_fail/sipp_scenario00.xml
new file mode 100644
index 00000000..d843459e
--- /dev/null
+++ b/scenarios/auth_fail/sipp_scenario00.xml
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE scenario SYSTEM "sipp.dtd">
+
+<scenario name="Sipwise NGCP">
+
+  <send>
+    <![CDATA[
+
+      REGISTER sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Call-ID: [call_id]
+      CSeq: [cseq] REGISTER
+      Contact: sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]
+      Expires: 600
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true"/>
+  <recv response="401" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      REGISTER sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Call-ID: [call_id]
+      CSeq: [cseq] REGISTER
+      [field1 file="caller.csv"]
+      Contact: sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]
+      Expires: 600
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true"/>
+  <recv response="401" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      REGISTER sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Call-ID: [call_id]
+      CSeq: [cseq] REGISTER
+      [field1 file="caller.csv"]
+      Contact: sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]
+      Expires: 600
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true"/>
+  <recv response="401" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      REGISTER sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Call-ID: [call_id]
+      CSeq: [cseq] REGISTER
+      [field1 file="caller.csv"]
+      Contact: sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]
+      Expires: 600
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true"/>
+  <recv response="401" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      REGISTER sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Call-ID: [call_id]
+      CSeq: [cseq] REGISTER
+      [field1 file="caller.csv"]
+      Contact: sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]
+      Expires: 600
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true"/>
+  <recv response="403" auth="true"/>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+
+</scenario>
+