diff --git a/scenarios/invite_voicebox/0001_test.yml.tt2 b/scenarios/invite_voicebox/0001_test.yml.tt2
index ba2f38e2..aab6ff9c 100644
--- a/scenarios/invite_voicebox/0001_test.yml.tt2
+++ b/scenarios/invite_voicebox/0001_test.yml.tt2
@@ -21,9 +21,9 @@ flow:
   - return|ROUTE_RUNTIME:
   - exit|ROUTE_EXIT:
 sip_in:
-  - '^INVITE sip:testuser1001@'
-  - 'Contact: sip:testuser1002@'
-  - 'To: <sip:testuser1001@'
+  - '^INVITE sip:[% scenarios.0.responders.0.username %]@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@'
   - 'CSeq: 1 INVITE'
   - 'Max-Forwards: 69'
   - 'Content-Type: application/sdp'
@@ -31,12 +31,12 @@ sip_out:
   - [
       '^SIP/2.0 100 Trying',
       'CSeq: 1 INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
       '^SIP/2.0 407 Proxy Authentication Required',
       'CSeq: 1 INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
diff --git a/scenarios/invite_voicebox/0003_test.yml.tt2 b/scenarios/invite_voicebox/0003_test.yml.tt2
index 14d446c3..262992e5 100644
--- a/scenarios/invite_voicebox/0003_test.yml.tt2
+++ b/scenarios/invite_voicebox/0003_test.yml.tt2
@@ -1,4 +1,3 @@
-# INVITE_OFFLINE scenario
 flow:
   - start|DEFAULT_ROUTE:
   - start|ROUTE_ENTRY:
@@ -18,12 +17,12 @@ flow:
   - start|ROUTE_FIND_CALLER:
   - start|ROUTE_AUTH:
   - start|ROUTE_AUTH_HELPER:
-      $x_hdr(From): spce.test
-      $var(realm_user): testuser1002
-      $var(realm_domain): spce.test
+      $x_hdr(From): invite-voicebox.scenarios.test
+      $var(realm_user): [% scenarios.0.username %]
+      $var(realm_domain): invite-voicebox.scenarios.test
   - return|ROUTE_AUTH_HELPER:
-      $avp(orig_acc_caller_user): ['testuser1002']
-      $avp(orig_acc_caller_domain): ['spce.test']
+      $avp(orig_acc_caller_user): ['[% scenarios.0.username %]']
+      $avp(orig_acc_caller_domain): ['invite-voicebox.scenarios.test']
   - start|ROUTE_ADD_CALLINFO_REPLY:
   - start|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
   - return|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
@@ -66,10 +65,10 @@ flow:
   - return|ROUTE_SET_CALLEE_DIALOG:
       $avp(lua_dlg_profile): [
         "totalaccount:[% customer_test.id %]",
-        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "totaluser:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "total",
         "account:[% customer_test.id %]",
-        "user:[% spce_test.testuser1001.uuid %]"
+        "user:[% invite_voicebox_scenarios_test.testuser1001.uuid %]"
       ]
   - start|ROUTE_BLOCK_IN:
   - return|ROUTE_BLOCK_IN:
@@ -114,18 +113,18 @@ flow:
   - return|ROUTE_SET_CALLER_DIALOG:
       $avp(lua_dlg_profile): [
         "accountout:[% customer_test.id %]",
-        "userout:[% spce_test.testuser1002.uuid %]",
+        "userout:[% invite_voicebox_scenarios_test.testuser1002.uuid %]",
         "account:[% customer_test.id %]",
-        "user:[% spce_test.testuser1002.uuid %]",
+        "user:[% invite_voicebox_scenarios_test.testuser1002.uuid %]",
         "totalaccountout:[% customer_test.id %]",
-        "totaluserout:[% spce_test.testuser1002.uuid %]",
+        "totaluserout:[% invite_voicebox_scenarios_test.testuser1002.uuid %]",
         "totalaccount:[% customer_test.id %]",
-        "totaluser:[% spce_test.testuser1002.uuid %]",
+        "totaluser:[% invite_voicebox_scenarios_test.testuser1002.uuid %]",
         "totalaccount:[% customer_test.id %]",
-        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "totaluser:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "total",
         "account:[% customer_test.id %]",
-        "user:[% spce_test.testuser1001.uuid %]"
+        "user:[% invite_voicebox_scenarios_test.testuser1001.uuid %]"
       ]
   - start|ROUTE_SET_ACC_CALLER_CALL_COUNTERS:
   - return|ROUTE_SET_ACC_CALLER_CALL_COUNTERS:
@@ -159,34 +158,34 @@ flow:
   - exit|ROUTE_EXIT:
 sip_in:
   - '^INVITE'
-  - 'Contact: sip:testuser1002@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
   - 'CSeq: 2 INVITE'
   - 'Max-Forwards: 69'
   - 'Content-Type: application/sdp'
-  - 'Proxy-Authorization: Digest username="testuser1002"'
+  - 'Proxy-Authorization: Digest username="[% scenarios.0.username %]"'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',
       'CSeq: 2 INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
       '^SIP/2.0 101 Connecting',
       'CSeq: 2 INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
-      '^INVITE sip:vmu4311001@voicebox.local SIP/2.0',
+      '^INVITE sip:vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]@voicebox.local SIP/2.0',
       'CSeq: 2 INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@',
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@',
       'Content-Type: application/sdp',
-      'P-Caller-UUID: \w+',
-      'P-First-Caller-UPN: 4311002',
-      'P-First-Caller-NPN: 4311002',
-      'P-Acc-Caller-User: testuser1001',
+      'P-Caller-UUID: [% invite_voicebox_scenarios_test.testuser1001.uuid %]',
+      'P-First-Caller-UPN: [% invite_voicebox_scenarios_test.testuser1002.phone_number %]',
+      'P-First-Caller-NPN: [% invite_voicebox_scenarios_test.testuser1002.phone_number %]',
+      'P-Acc-Caller-User: [% scenarios.0.responders.0.username %]',
       'P-Acc-State: cfu',
       'P-App-Param: ;profile=ngcp_cf',
       'P-App-Name: sbc'
diff --git a/scenarios/invite_voicebox/0005_test.yml.tt2 b/scenarios/invite_voicebox/0005_test.yml.tt2
index 1bb4a854..20d213dd 100644
--- a/scenarios/invite_voicebox/0005_test.yml.tt2
+++ b/scenarios/invite_voicebox/0005_test.yml.tt2
@@ -60,9 +60,9 @@ flow:
   - return|ROUTE_SET_CALLER_DIALOG:
       $avp(lua_dlg_profile): [
         "totalaccountout:[% customer_test.id %]",
-        "totaluserout:[% spce_test.testuser1001.uuid %]",
+        "totaluserout:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "totalaccount:[% customer_test.id %]",
-        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "totaluser:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "peer:voicebox",
         "local"
       ]
@@ -117,34 +117,34 @@ flow:
   - exit|ROUTE_EXIT:
       $avp(lua_dlg_profile): [
         "totalaccountout:[% customer_test.id %]",
-        "totaluserout:[% spce_test.testuser1001.uuid %]",
+        "totaluserout:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "totalaccount:[% customer_test.id %]",
-        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "totaluser:[% invite_voicebox_scenarios_test.testuser1001.uuid %]",
         "peer:voicebox",
         "local"
       ]
 sip_in:
-  - '^INVITE sip:vmu4311001@voicebox.local SIP/2.0'
+  - '^INVITE sip:vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]@voicebox.local SIP/2.0'
   - 'Contact: <sip:127.0.0.1:5080(;transport=udp)?>'
   - 'CSeq: \d+ INVITE'
   - 'Content-Type: application/sdp'
-  - 'P-Caller-UUID: [% spce_test.testuser1001.uuid %]'
-  - 'P-First-Caller-UPN: 4311002'
-  - 'P-First-Caller-NPN: 4311002'
-  - 'P-Acc-Caller-User: testuser1001'
+  - 'P-Caller-UUID: [% invite_voicebox_scenarios_test.testuser1001.uuid %]'
+  - 'P-First-Caller-UPN: [% invite_voicebox_scenarios_test.testuser1002.phone_number %]'
+  - 'P-First-Caller-NPN: [% invite_voicebox_scenarios_test.testuser1002.phone_number %]'
+  - 'P-Acc-Caller-User: [% scenarios.0.responders.0.username %]'
   - 'P-Acc-State: cfu'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',
       'CSeq: \d+ INVITE',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
-      '^INVITE sip:vmu4311001@voicebox.local SIP/2.0',
+      '^INVITE sip:vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]@voicebox.local SIP/2.0',
       'CSeq: \d+ INVITE',
-      'From: <sip:4311002@',
-      'To: <sip:testuser1001@',
+      'From: <sip:[% invite_voicebox_scenarios_test.testuser1002.phone_number %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@',
       'Contact: <sip:127.0.0.1:5080(;transport=udp)?>',
       'Content-Type: application/sdp'
     ]
diff --git a/scenarios/invite_voicebox/0009_test.yml.tt2 b/scenarios/invite_voicebox/0009_test.yml.tt2
index 4f9463e4..906cd2a2 100644
--- a/scenarios/invite_voicebox/0009_test.yml.tt2
+++ b/scenarios/invite_voicebox/0009_test.yml.tt2
@@ -21,19 +21,19 @@ flow:
   - exit|ROUTE_EXIT:
 sip_in:
   - '^ACK sip:127.0.0.1:5080(;prxroute=1)? SIP/2.0'
-  - 'Contact: sip:testuser1002@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
   - 'CSeq: 2 ACK'
   - 'Max-Forwards: 69'
   - 'Content-Length: 0'
-  - 'From: <sip:testuser1002@'
-  - 'To: <sip:testuser1001@'
+  - 'From: <sip:[% scenarios.0.username %]@'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@'
 sip_out:
   - [
       '^ACK sip:127.0.0.1:5080(;prxroute=1)? SIP/2.0',
-      'Contact: sip:testuser1002@',
+      'Contact: sip:[% scenarios.0.username %]@',
       'CSeq: 2 ACK',
       'Max-Forwards: 68',
       'Content-Length: 0',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
diff --git a/scenarios/invite_voicebox/0011_test.yml.tt2 b/scenarios/invite_voicebox/0011_test.yml.tt2
index 57a34631..e469da2c 100644
--- a/scenarios/invite_voicebox/0011_test.yml.tt2
+++ b/scenarios/invite_voicebox/0011_test.yml.tt2
@@ -27,27 +27,27 @@ flow:
   - exit|ROUTE_EXIT:
 sip_in:
   - '^BYE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0'
-  - 'Contact: sip:testuser1002@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
   - 'CSeq: 3 BYE'
   - 'Max-Forwards: 69'
   - 'Content-Length: 0'
-  - 'From: <sip:testuser1002@'
-  - 'To: <sip:testuser1001@'
+  - 'From: <sip:[% scenarios.0.username %]@'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@'
 
 sip_out:
   - [
       '^SIP/2.0 100 Trying',
       'CSeq: 3 BYE',
       'Content-Length: 0',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
       '^BYE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0',
-      'Contact: sip:testuser1002@',
+      'Contact: sip:[% scenarios.0.username %]@',
       'CSeq: 3 BYE',
       'Max-Forwards: 68',
       'Content-Length: 0',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
diff --git a/scenarios/invite_voicebox/0012_test.yml.tt2 b/scenarios/invite_voicebox/0012_test.yml.tt2
index 800bed77..2b57d2bb 100644
--- a/scenarios/invite_voicebox/0012_test.yml.tt2
+++ b/scenarios/invite_voicebox/0012_test.yml.tt2
@@ -28,24 +28,24 @@ flow:
   - return|ROUTE_RUNTIME:
   - exit|ROUTE_EXIT:
 sip_in:
-  - '^BYE sip:vmu4311001@127.0.0.1:5070 SIP/2.0'
+  - '^BYE sip:vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]@127.0.0.1:5070 SIP/2.0'
   - 'CSeq: \d+ BYE'
   - 'Content-Length: 0'
-  - 'From: <sip:testuser1002@'
-  - 'To: <sip:testuser1001@'
+  - 'From: <sip:[% scenarios.0.username %]@'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',
       'CSeq: \d+ BYE',
       'Content-Length: 0',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
   - [
-      '^BYE sip:vmu4311001@127.0.0.1:5070 SIP/2.0',
+      '^BYE sip:vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]@127.0.0.1:5070 SIP/2.0',
       'CSeq: \d+ BYE',
       'Max-Forwards: 69',
       'Content-Length: 0',
-      'From: <sip:4311002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% invite_voicebox_scenarios_test.testuser1002.phone_number %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
diff --git a/scenarios/invite_voicebox/0013_test.yml.tt2 b/scenarios/invite_voicebox/0013_test.yml.tt2
index b51e2d04..d1c4393d 100644
--- a/scenarios/invite_voicebox/0013_test.yml.tt2
+++ b/scenarios/invite_voicebox/0013_test.yml.tt2
@@ -15,14 +15,14 @@ flow:
 sip_in:
   - '^SIP/2.0 200 OK'
   - 'CSeq: \d+ BYE'
-  - 'From: <sip:4311002@'
+  - 'From: <sip:[% invite_voicebox_scenarios_test.testuser1002.phone_number %]@'
   - 'Content-Length: 0'
-  - 'To: <sip:testuser1001@'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@'
 sip_out:
   - [
       '^SIP/2.0 200 OK',
       'CSeq: \d+ BYE',
       'Content-Length: 0',
-      'From: <sip:testuser1002@',
-      'To: <sip:testuser1001@'
+      'From: <sip:[% scenarios.0.username %]@',
+      'To: <sip:[% scenarios.0.responders.0.username %]@'
     ]
diff --git a/scenarios/invite_voicebox/callforward.yml b/scenarios/invite_voicebox/callforward.yml.tt2
similarity index 77%
rename from scenarios/invite_voicebox/callforward.yml
rename to scenarios/invite_voicebox/callforward.yml.tt2
index 51d4a81a..ee62311a 100644
--- a/scenarios/invite_voicebox/callforward.yml
+++ b/scenarios/invite_voicebox/callforward.yml.tt2
@@ -1,5 +1,5 @@
 ---
-testuser1001@spce.test:
+[% scenarios.0.responders.0.username %]@invite-voicebox.scenarios.test:
   destinations:
     destinations:
       - destination: voicebox
@@ -21,6 +21,6 @@ testuser1001@spce.test:
     cfo: []
   voicebox:
     pin: 0000
-    email: root@spce.test
+    email: root@invite-voicebox.scenarios.test
     attach: 1
     delete: 1
diff --git a/scenarios/invite_voicebox/cdr_test.yml.tt2 b/scenarios/invite_voicebox/cdr_test.yml.tt2
index b5e538da..21e0f963 100644
--- a/scenarios/invite_voicebox/cdr_test.yml.tt2
+++ b/scenarios/invite_voicebox/cdr_test.yml.tt2
@@ -1,20 +1,20 @@
 cdr:
-  - source_user: 'testuser1002'
-    source_domain: 'spce.test'
-    source_cli: '4311002'
-    destination_user: 'testuser1001'
-    destination_domain: 'spce.test'
-    destination_user_dialed: 'testuser1001'
+  - source_user: '[% scenarios.0.username %]'
+    source_domain: 'invite-voicebox.scenarios.test'
+    source_cli: '[% invite_voicebox_scenarios_test.testuser1002.phone_number %]'
+    destination_user: '[% scenarios.0.responders.0.username %]'
+    destination_domain: 'invite-voicebox.scenarios.test'
+    destination_user_dialed: '[% scenarios.0.responders.0.username %]'
     call_type: 'call'
     call_status: 'ok'
     call_code: '200'
-  - source_user: 'testuser1001'
-    source_domain: 'spce.test'
-    source_cli: '4311001'
-    destination_user: 'vmu4311001'
+  - source_user: '[% scenarios.0.responders.0.username %]'
+    source_domain: 'invite-voicebox.scenarios.test'
+    source_cli: '[% invite_voicebox_scenarios_test.testuser1001.phone_number %]'
+    destination_user: 'vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]'
     destination_domain: 'voicebox.local'
-    destination_user_dialed: 'vmu4311001'
-    destination_user_in: 'vmu4311001'
+    destination_user_dialed: 'vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]'
+    destination_user_in: 'vmu[% invite_voicebox_scenarios_test.testuser1001.phone_number %]'
     destination_domain_in: 'voicebox.local'
     call_type: 'cfu'
     call_status: 'ok'
diff --git a/scenarios/invite_voicebox/scenario.yml b/scenarios/invite_voicebox/scenario.yml
index a77fe448..bab611d5 100644
--- a/scenarios/invite_voicebox/scenario.yml
+++ b/scenarios/invite_voicebox/scenario.yml
@@ -1,6 +1,7 @@
+---
 test_uuid: invite_voicebox
 domains:
-  'spce.test':
+  invite-voicebox.scenarios.test:
     reseller_id: 1
 customers:
   'customer.test':
@@ -13,7 +14,7 @@ customers:
       billing_profile_id: 1
       reseller_id: 1
 subscribers:
-  spce.test:
+  invite-voicebox.scenarios.test:
     testuser1001:
       customer: 'customer.test'
       password: testuser
@@ -29,10 +30,10 @@ subscribers:
 scenarios:
   - ip: 127.126.0.1
     username: testuser1002
-    domain: spce.test
+    domain: invite-voicebox.scenarios.test
     responders:
       - ip: 127.1.0.1
         username: testuser1001
-        domain: spce.test
-        register: no
-        active: no
+        domain: invite-voicebox.scenarios.test
+        register: 'no'
+        active: 'no'