diff --git a/scenarios/incoming_peer_anonymous/0003_test.yml.tt2 b/scenarios/incoming_peer_anonymous/0003_test.yml.tt2
new file mode 100644
index 00000000..db19bc2e
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/0003_test.yml.tt2
@@ -0,0 +1,224 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_ENTRY:
+  - return|ROUTE_ENTRY:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_CHECK_TEL_URI:
+  - return|ROUTE_CHECK_TEL_URI:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_INVITE:
+  - start|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_FIND_CALLER:
+  - start|ROUTE_PSTN_SELECT_INBOUND_PEER:
+  - return|ROUTE_PSTN_SELECT_INBOUND_PEER:
+  - start|ROUTE_CLEAR_PEER_IN_PREF:
+  - return|ROUTE_CLEAR_PEER_IN_PREF:
+  - start|ROUTE_LOAD_PEER_IN_PREF:
+  - start|ROUTE_DLG_MANAGE:
+  - return|ROUTE_DLG_MANAGE:
+  - return|ROUTE_LOAD_PEER_IN_PREF:
+      $avp(lua_dlg_profile): ["peer:[% peer_00_host0.id %]", "total"]
+  - return|ROUTE_FIND_CALLER:
+  - start|ROUTE_APPLY_HEADER_RULES:
+  - return|ROUTE_APPLY_HEADER_RULES:
+  - start|ROUTE_GET_CALLER_CLI:
+  - return|ROUTE_GET_CALLER_CLI:
+  - start|ROUTE_GET_CALLER_CLI:
+  - return|ROUTE_GET_CALLER_CLI:
+  - start|ROUTE_GET_FORWARDER_CLI:
+  - return|ROUTE_GET_FORWARDER_CLI:
+  - start|ROUTE_CLIR:
+  - return|ROUTE_CLIR:
+      $avp(caller_clir): [1]
+  - start|ROUTE_CALLER_BLOCK_CLI:
+  - return|ROUTE_CALLER_BLOCK_CLI:
+  - start|ROUTE_FIND_CALLEE:
+  - start|ROUTE_DETECT_LOOP:
+  - return|ROUTE_DETECT_LOOP:
+  - start|ROUTE_CLEAR_CALLEE_PREF:
+  - return|ROUTE_CLEAR_CALLEE_PREF:
+  - start|ROUTE_LOAD_CALLEE_PREF:
+  - start|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - start|ROUTE_LOAD_CALLEE_RESELLER_PREF:
+  - return|ROUTE_LOAD_CALLEE_RESELLER_PREF:
+  - start|ROUTE_SET_CALLEE_DIALOG:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - start|ROUTE_SET_CALLEE_DIALOG_BASE:
+  - return|ROUTE_SET_CALLEE_DIALOG_BASE:
+  - start|ROUTE_SET_CALLEE_DIALOG_TOTAL:
+  - return|ROUTE_SET_CALLEE_DIALOG_TOTAL:
+  - return|ROUTE_SET_CALLEE_DIALOG:
+     $avp(lua_dlg_profile): [
+        "totalreseller:1",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "reseller:1",
+        "account:[% customer_test.id %]",
+        "user:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "peer:[% peer_00_host0.id %]",
+        "total"
+      ]
+  - start|ROUTE_BLOCK_IN:
+  - return|ROUTE_BLOCK_IN:
+  - return|ROUTE_LOAD_CALLEE_PREF:
+      $xavp(caller_peer_prefs[0]=>concurrent_max[*]): [1]
+  - start|ROUTE_NCOS_CHECK:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS_SET:
+  - return|ROUTE_NCOS_SET:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS_SET:
+  - return|ROUTE_NCOS_SET:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS_SET:
+  - return|ROUTE_NCOS_SET:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS_SET:
+  - return|ROUTE_NCOS_SET:
+  - return|ROUTE_NCOS_CHECK:
+  - start|ROUTE_BLOCK_OUT:
+  - return|ROUTE_BLOCK_OUT:
+  - start|ROUTE_CHECK_PBX:
+  - return|ROUTE_CHECK_PBX:
+  - start|ROUTE_CALLEE_DISPATCH:
+  - start|ROUTE_INVITE_TO_INT:
+  - start|ROUTE_APPLY_HEADER_RULES:
+  - return|ROUTE_APPLY_HEADER_RULES:
+  - start|ROUTE_CF_CFU:
+  - return|ROUTE_CF_CFU:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - start|ROUTE_CHECK_LOCATIONS:
+  - start|ROUTE_LOOKUP_SUBSCRIBER_LOCATIONS:
+  - return|ROUTE_LOOKUP_SUBSCRIBER_LOCATIONS:
+  - start|ROUTE_OUTBOUND:
+  - start|ROUTE_SET_CALLER_DIALOG:
+      $avp(lua_dlg_profile): [
+        "incoming",
+        "totalreseller:1",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "reseller:1",
+        "account:[% customer_test.id %]",
+        "user:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "peer:[% peer_00_host0.id %]",
+        "total"
+      ]
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_SET_CALLER_DIALOG:
+  - start|ROUTE_ACC_CALLER:
+  - start|ROUTE_SET_ACC_CALLER_CALL_COUNTERS:
+  - return|ROUTE_SET_ACC_CALLER_CALL_COUNTERS:
+  - return|ROUTE_ACC_CALLER:
+  - start|ROUTE_ACC_CALLEE:
+  - start|ROUTE_SET_ACC_CALLEE_CALL_COUNTERS:
+  - return|ROUTE_SET_ACC_CALLEE_CALL_COUNTERS:
+  - return|ROUTE_ACC_CALLEE:
+  - start|ROUTE_ADD_AOC_HEADER:
+  - return|ROUTE_ADD_AOC_HEADER:
+  - start|BRANCH_ROUTE_SBC:
+  - start|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - start|ROUTE_LOAD_CALLEE_RESELLER_PREF:
+  - return|ROUTE_LOAD_CALLEE_RESELLER_PREF:
+  - start|ROUTE_SET_CALLEE_DIALOG:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - start|ROUTE_SET_CALLEE_DIALOG_BASE:
+  - return|ROUTE_SET_CALLEE_DIALOG_BASE:
+  - start|ROUTE_SET_CALLEE_DIALOG_TOTAL:
+  - return|ROUTE_SET_CALLEE_DIALOG_TOTAL:
+  - return|ROUTE_SET_CALLEE_DIALOG:
+  - start|ROUTE_SET_BRANCH_HDRS:
+  - start|ROUTE_PREPARE_UA:
+  - return|ROUTE_PREPARE_UA:
+  - return|ROUTE_SET_BRANCH_HDRS:
+  - start|ROUTE_SET_RUSER:
+  - return|ROUTE_SET_RUSER:
+  - start|ROUTE_BRANCH_ACC_RTP:
+  - return|ROUTE_BRANCH_ACC_RTP:
+  - start|ROUTE_FILTER_PRACK:
+  - return|ROUTE_FILTER_PRACK:
+  - start|ROUTE_PREPARE_SST:
+  - start|ROUTE_REMOVE_TIMER_SUPP_REQ:
+  - return|ROUTE_REMOVE_TIMER_SUPP_REQ:
+  - return|ROUTE_PREPARE_SST:
+  - start|ROUTE_PREPARE_MOH:
+  - return|ROUTE_PREPARE_MOH:
+  - start|ROUTE_SET_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_SET_CALLER_CLI:
+  - start|ROUTE_SET_CALLEE:
+  - return|ROUTE_SET_CALLEE:
+  - start|ROUTE_ADD_CALLINFO:
+  - start|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - start|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO:
+  - start|ROUTE_APPLY_HEADER_RULES:
+  - return|ROUTE_APPLY_HEADER_RULES:
+  - return|BRANCH_ROUTE_SBC:
+  # branch ??
+  - start|DEFAULT_SEND:
+  - exit|DEFAULT_SEND:
+  - start|ROUTE_EXIT:
+  - start|ROUTE_RUNTIME:
+  - return|ROUTE_RUNTIME:
+  - exit|ROUTE_EXIT:
+      $avp(lua_dlg_profile): [
+        "incoming",
+        "totalreseller:1",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "reseller:1",
+        "account:[% customer_test.id %]",
+        "user:[% incoming_peer_anonymous.scenarios.test.testuser1003.uuid %]",
+        "peer:[% peer_00_host0.id %]",
+        "total"
+      ]
+sip_in:
+  - '^INVITE sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@'
+  - 'Contact: <sip:[% scenarios.0.username %]@[% scenarios.0.ip %]:[% scenarios.0.port %](;[^>]+)?>'
+  - 'CSeq: 1 INVITE'
+  - 'Max-Forwards: 69'
+  - 'Content-Type: application/sdp'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 1 INVITE',
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@'
+    ]
+  - [
+      '^INVITE sip:testuser1003@',
+      'CSeq: 1 INVITE',
+      'From: "Anonymous"  <sip:anonymous@anonymous.invalid>;',
+      'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@',
+      'Contact: <sip:[% scenarios.0.username %]@[% scenarios.0.ip %]:[% scenarios.0.port %](;[^>]+)?>',
+      'Content-Type: application/sdp',
+      'P-Caller-UUID: 0',
+      'P-Callee-UUID: [% incoming_peer_anonymous_scenarios_test.testuser1003.uui %]',
+      '_:NOT:_P-Asserted-Identity:',
+      'P-Called-Party-ID: <sip:testuser1003@',
+      'P-App-Param: ;calltimer=21600;aleg_sst_enable=no;sst_enable=no',
+      'P-App-Name: sbc'
+    ]
diff --git a/scenarios/incoming_peer_anonymous/cdr_test.yml.tt2 b/scenarios/incoming_peer_anonymous/cdr_test.yml.tt2
new file mode 100644
index 00000000..6cf07023
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/cdr_test.yml.tt2
@@ -0,0 +1,10 @@
+cdr:
+  - source_user: '[% scenarios.0.username %]'
+    source_domain: '[% scenarios.0.ip %]'
+    source_cli: '[% scenarios.0.username %]'
+    destination_user: 'testuser1003'
+    destination_domain: 'incoming-peer-anonymous.scenarios.test'
+    destination_user_dialed: '[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]'
+    call_type: 'call'
+    call_status: 'ok'
+    call_code: '200'
\ No newline at end of file
diff --git a/scenarios/incoming_peer_anonymous/media181sec.pcap b/scenarios/incoming_peer_anonymous/media181sec.pcap
new file mode 120000
index 00000000..d95ed875
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/media181sec.pcap
@@ -0,0 +1 @@
+../media181sec.pcap
\ No newline at end of file
diff --git a/scenarios/incoming_peer_anonymous/peer.yml b/scenarios/incoming_peer_anonymous/peer.yml
new file mode 100644
index 00000000..329418a5
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/peer.yml
@@ -0,0 +1,33 @@
+---
+peer_incoming_peer_anonymous:
+  contact:
+    company: peer_incoming_peer_anonymous
+    email: peer_incoming_peer_anonymous@host0.not
+  contract:
+    billing_profile_id: 1
+    status: active
+    type: sippeering
+  groups:
+    - name: peer_incoming_peer_anonymous_group
+      priority: 1
+      description:
+  rules:
+    - group_id: peer_incoming_peer_anonymous_group
+      callee_prefix: ""
+      callee_pattern: ''
+      caller_pattern: '^sip:.+@incoming-peer-anonymous.scenarios.test'
+      description: ""
+  inboundrules:
+    - group_id: peer_incoming_peer_anonymous_group
+      field: "ruri_uri"
+      pattern: '.*'
+      priority: 50
+      enabled: 1
+  hosts:
+    - group_id: peer_incoming_peer_anonymous_group
+      name: peer_incoming_peer_anonymous_host0
+      ip: 127.0.2.1
+      port: 51602
+      host:
+      transport: 1
+      weight: 1
diff --git a/scenarios/incoming_peer_anonymous/prefs.json.tt2 b/scenarios/incoming_peer_anonymous/prefs.json.tt2
new file mode 100644
index 00000000..4e09ffad
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/prefs.json.tt2
@@ -0,0 +1,8 @@
+{
+    "@incoming-peer-anonymous.scenarios.test": {
+        "nat_sipping": "no"
+    },
+    "peer_incoming_peer_anonymous_host0": {
+        "concurrent_max": 1
+    }
+}
diff --git a/scenarios/incoming_peer_anonymous/scenario.yml b/scenarios/incoming_peer_anonymous/scenario.yml
new file mode 100644
index 00000000..ec0269d0
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/scenario.yml
@@ -0,0 +1,33 @@
+---
+test_uuid: incoming_peer_anonymous
+domains:
+  incoming-peer-anonymous.scenarios.test:
+    reseller_id: 1
+customers:
+  "customer.test":
+    contacts:
+      - email: "customer.test@spce.test"
+        reseller_id: 1
+    details:
+      status: "active"
+      type: "sipaccount"
+      billing_profile_id: 1
+      reseller_id: 1
+subscribers:
+  incoming-peer-anonymous.scenarios.test:
+    testuser1003:
+      customer: "customer.test"
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1003
+scenarios:
+  - ip: 127.0.2.1
+    username: "004321001"
+    domain: incoming-peer-anonymous.host0.peer.scenarios.test
+    peer_host: peer_incoming_peer_anonymous_host0
+    responders:
+      - ip: 127.1.0.1
+        username: testuser1003
+        domain: incoming-peer-anonymous.scenarios.test
+        register: "yes"
diff --git a/scenarios/incoming_peer_anonymous/sipp_scenario00.xml b/scenarios/incoming_peer_anonymous/sipp_scenario00.xml
new file mode 100644
index 00000000..4639531a
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/sipp_scenario00.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAC Caller">
+  <send>
+    <![CDATA[
+
+      INVITE sip:[field1 file="callee.csv" line=0]@[field3 file="callee.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:[field1 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 1 INVITE
+      P-Asserted-Identity: <sip:[field0 file="caller.csv" line=0]@[field2 file="caller.csv" line=0]>
+      Privacy: id
+      Contact: <sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]>
+      Max-Forwards: 70
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="180" optional="true">
+  </recv>
+
+  <recv response="183" optional="true">
+  </recv>
+
+  <recv response="200" rrs="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      ACK [next_url] 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:[field1 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      [routes]
+      CSeq: 1 ACK
+      Contact: <sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]>
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <pause milliseconds="1000"/>
+
+  <send>
+    <![CDATA[
+
+      BYE [next_url] 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:[field1 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 2 BYE
+      Contact: <sip:[field0 file="caller.csv" line=0]@[local_ip]:[local_port]>
+      [routes]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="200">
+  </recv>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200, 500, 1000"/>
+</scenario>
+
diff --git a/scenarios/incoming_peer_anonymous/sipp_scenario00_test.yml.tt2 b/scenarios/incoming_peer_anonymous/sipp_scenario00_test.yml.tt2
new file mode 100644
index 00000000..53cc39ad
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/sipp_scenario00_test.yml.tt2
@@ -0,0 +1,33 @@
+messages:
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.host0.peer.scenarios.test>;tag=[\w-]+'
+  - 'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@incoming-peer-anonymous.scenarios.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 180 Ringing'
+  - 'From: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.host0.peer.scenarios.test>;tag=[\w-]+'
+  - 'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@incoming-peer-anonymous.scenarios.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 200 OK'
+  - 'From: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.host0.peer.scenarios.test>;tag=[\w-]+'
+  - 'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@incoming-peer-anonymous.scenarios.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 's=-'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'SIP/2.0 200 OK'
+  - 'From: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.host0.peer.scenarios.test>;tag=[\w-]+'
+  - 'To: <sip:[% incoming_peer_anonymous_scenarios_test.testuser1003.phone_number %]@incoming-peer-anonymous.scenarios.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'Content-Length: 0'
diff --git a/scenarios/incoming_peer_anonymous/sipp_scenario_responder00.xml b/scenarios/incoming_peer_anonymous/sipp_scenario_responder00.xml
new file mode 100644
index 00000000..da77f415
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/sipp_scenario_responder00.xml
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAS Responder">
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 180 Ringing
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK"
+        crlf="true">
+  </recv>
+
+  <recv request="BYE">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: [len]
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
+
diff --git a/scenarios/incoming_peer_anonymous/sipp_scenario_responder00_test.yml.tt2 b/scenarios/incoming_peer_anonymous/sipp_scenario_responder00_test.yml.tt2
new file mode 100644
index 00000000..58a7c31d
--- /dev/null
+++ b/scenarios/incoming_peer_anonymous/sipp_scenario_responder00_test.yml.tt2
@@ -0,0 +1,29 @@
+messages:
+- - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
+  - 'From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-peer-anonymous.scenarios.test>'
+  - 'CSeq: \d+ INVITE'
+  - '_:NOT:_P-Asserted-Identity: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.scenarios.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 's=-'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=UDP SIP/2.0'
+  - 'From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-peer-anonymous.scenarios.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'BYE sip:[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=UDP SIP/2.0'
+  - 'From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-peer-anonymous.scenarios.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - '_:NOT:_P-Asserted-Identity: <sip:[% scenarios.0.username %]@incoming-peer-anonymous.scenarios.test>'
+  - 'Content-Length: 0'