diff --git a/scenarios/register/0001_test.yml.tt2 b/scenarios/register/0001_test.yml.tt2
index ba47f601..df7170b0 100644
--- a/scenarios/register/0001_test.yml.tt2
+++ b/scenarios/register/0001_test.yml.tt2
@@ -3,7 +3,7 @@ flow:
   - start|ROUTE_ENTRY:
   - return|ROUTE_ENTRY:
   - start|ROUTE_NET_INFO:
-      $x_hdr(From): sip:testuser1003@
+      $x_hdr(From): sip:[% scenarios.0.username %]@
   - return|ROUTE_NET_INFO:
   - start|ROUTE_CHECK_TEL_URI:
   - return|ROUTE_CHECK_TEL_URI:
@@ -16,7 +16,7 @@ flow:
   - exit|ROUTE_EXIT:
 sip_in:
   - '^REGISTER'
-  - 'Contact: sip:testuser1003@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
   - 'Content-Length: 0'
   - 'Expires: 600'
 sip_out:
diff --git a/scenarios/register/0002_test.yml.tt2 b/scenarios/register/0002_test.yml.tt2
index 7bba996d..7f67bd90 100644
--- a/scenarios/register/0002_test.yml.tt2
+++ b/scenarios/register/0002_test.yml.tt2
@@ -3,7 +3,7 @@ flow:
   - start|ROUTE_ENTRY:
   - return|ROUTE_ENTRY:
   - start|ROUTE_NET_INFO:
-      $x_hdr(From): sip:testuser1003@
+      $x_hdr(From): sip:[% scenarios.0.username %]@
   - return|ROUTE_NET_INFO:
   - start|ROUTE_CHECK_TEL_URI:
   - return|ROUTE_CHECK_TEL_URI:
@@ -11,12 +11,12 @@ flow:
   - start|ROUTE_REG_HANDLE:
   - start|ROUTE_AUTH:
   - start|ROUTE_AUTH_HELPER:
-      $x_hdr(From): spce.test
-      $var(realm_user): testuser1003
-      $var(realm_domain): spce.test
+      $x_hdr(From): register.scenarios.test
+      $var(realm_user): [% scenarios.0.username %]
+      $var(realm_domain): register.scenarios.test
   - return|ROUTE_AUTH_HELPER:
-      $avp(orig_acc_caller_user): ['testuser1003']
-      $avp(orig_acc_caller_domain): ['spce.test']
+      $avp(orig_acc_caller_user): ['[% scenarios.0.username %]']
+      $avp(orig_acc_caller_domain): ['register.scenarios.test']
   - start|ROUTE_ADD_CALLINFO_REPLY:
   - return|ROUTE_ADD_CALLINFO_REPLY:
   - return|ROUTE_AUTH:
@@ -29,23 +29,23 @@ flow:
       $xavp(caller_dom_prefs[0]=>cc[*]): None
       $xavp(caller_dom_prefs[0]=>cli[*]): None
       $xavp(caller_real_prefs[0]=>dummy[*]): ['caller']
-      $xavp(caller_real_prefs[0]=>ac[*]): [1]
-      $xavp(caller_real_prefs[0]=>cc[*]): [43]
-      $xavp(caller_real_prefs[0]=>cli[*]): [4311003]
+      $xavp(caller_real_prefs[0]=>ac[*]): [[% register_scenarios_test.testuser1003.ac %]]
+      $xavp(caller_real_prefs[0]=>cc[*]): [[% register_scenarios_test.testuser1003.cc %]]
+      $xavp(caller_real_prefs[0]=>cli[*]): [[% register_scenarios_test.testuser1003.phone_number %]]
       $xavp(caller_usr_prefs[0]=>dummy[*]): ['caller']
-      $xavp(caller_usr_prefs[0]=>ac[*]): [1]
-      $xavp(caller_usr_prefs[0]=>cc[*]): [43]
-      $xavp(caller_usr_prefs[0]=>cli[*]): [4311003]
+      $xavp(caller_usr_prefs[0]=>ac[*]): [[% register_scenarios_test.testuser1003.ac %]]
+      $xavp(caller_usr_prefs[0]=>cc[*]): [[% register_scenarios_test.testuser1003.cc %]]
+      $xavp(caller_usr_prefs[0]=>cli[*]): [[% register_scenarios_test.testuser1003.phone_number %]]
   - start|ROUTE_EXIT:
   - start|ROUTE_RUNTIME:
   - return|ROUTE_RUNTIME:
   - exit|ROUTE_EXIT:
 sip_in:
   - '^REGISTER'
-  - 'Contact: sip:testuser1003@'
+  - 'Contact: sip:[% scenarios.0.username %]@'
   - 'Content-Length: 0'
   - 'Expires: 600'
-  - 'Authorization: Digest username="testuser1003"'
+  - 'Authorization: Digest username="[% scenarios.0.username %]"'
 sip_out:
   - [
       '^SIP/2.0 100 Trying',
@@ -54,7 +54,7 @@ sip_out:
   - [
       '^SIP/2.0 200 OK',
       'Content-Length: 0',
-      '_:NOT:_Contact: <sip:testuser1003@.+>;expires=0',
-      'P-NGCP-Authorization: testuser1003@',
+      '_:NOT:_Contact: <sip:[% scenarios.0.username %]@.+>;expires=0',
+      'P-NGCP-Authorization: [% scenarios.0.username %]@',
       'P-NGCP-Authorized: 1'
     ]
diff --git a/scenarios/register/scenario.yml b/scenarios/register/scenario.yml
index 103dae08..d4d0c70f 100644
--- a/scenarios/register/scenario.yml
+++ b/scenarios/register/scenario.yml
@@ -1,6 +1,7 @@
+---
 test_uuid: register
 domains:
-  'spce.test':
+  register.scenarios.test:
     reseller_id: 1
 customers:
   'customer.test':
@@ -13,7 +14,7 @@ customers:
       billing_profile_id: 1
       reseller_id: 1
 subscribers:
-  spce.test:
+  register.scenarios.test:
     testuser1003:
       customer: 'customer.test'
       password: testuser
@@ -22,11 +23,11 @@ subscribers:
       sn: 1003
 scenarios:
   - ip: 127.126.0.1
-    domain: spce.test
+    domain: register.scenarios.test
     username: testuser1003
     responders:
       - ip: 127.1.0.1
-        domain: spce.test
-        register: no
+        domain: register.scenarios.test
+        register: 'no'
         username: testuser1003
-        active: no
+        active: 'no'