diff --git a/scenarios/invite/sipp_scenario_responder01.xml b/scenarios/invite/sipp_scenario_responder01.xml
index 16d5ad93..8300c214 100644
--- a/scenarios/invite/sipp_scenario_responder01.xml
+++ b/scenarios/invite/sipp_scenario_responder01.xml
@@ -22,7 +22,7 @@
 
   <pause milliseconds="500"/> 
 
-  <send retrans="500">
+  <send>
     <![CDATA[
 
       SIP/2.0 200 OK
@@ -56,7 +56,6 @@
   <recv request="BYE">
   </recv>
 
-  <timewait milliseconds="4000"/>
   <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
   <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
 
diff --git a/scenarios/invite_allowedcli_match/sipp_scenario_responder01.xml b/scenarios/invite_allowedcli_match/sipp_scenario_responder01.xml
index 16d5ad93..8300c214 100644
--- a/scenarios/invite_allowedcli_match/sipp_scenario_responder01.xml
+++ b/scenarios/invite_allowedcli_match/sipp_scenario_responder01.xml
@@ -22,7 +22,7 @@
 
   <pause milliseconds="500"/> 
 
-  <send retrans="500">
+  <send>
     <![CDATA[
 
       SIP/2.0 200 OK
@@ -56,7 +56,6 @@
   <recv request="BYE">
   </recv>
 
-  <timewait milliseconds="4000"/>
   <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
   <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
 
diff --git a/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder01.xml b/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder01.xml
index 16d5ad93..8300c214 100644
--- a/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder01.xml
+++ b/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder01.xml
@@ -22,7 +22,7 @@
 
   <pause milliseconds="500"/> 
 
-  <send retrans="500">
+  <send>
     <![CDATA[
 
       SIP/2.0 200 OK
@@ -56,7 +56,6 @@
   <recv request="BYE">
   </recv>
 
-  <timewait milliseconds="4000"/>
   <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
   <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
 
diff --git a/scenarios/invite_blockout_pinoverride/sipp_scenario_responder01.xml b/scenarios/invite_blockout_pinoverride/sipp_scenario_responder01.xml
index 16d5ad93..8300c214 100644
--- a/scenarios/invite_blockout_pinoverride/sipp_scenario_responder01.xml
+++ b/scenarios/invite_blockout_pinoverride/sipp_scenario_responder01.xml
@@ -22,7 +22,7 @@
 
   <pause milliseconds="500"/> 
 
-  <send retrans="500">
+  <send>
     <![CDATA[
 
       SIP/2.0 200 OK
@@ -56,7 +56,6 @@
   <recv request="BYE">
   </recv>
 
-  <timewait milliseconds="4000"/>
   <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
   <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
 
diff --git a/scenarios/invite_ignore_allowip/sipp_scenario_responder01.xml b/scenarios/invite_ignore_allowip/sipp_scenario_responder01.xml
index 16d5ad93..8300c214 100644
--- a/scenarios/invite_ignore_allowip/sipp_scenario_responder01.xml
+++ b/scenarios/invite_ignore_allowip/sipp_scenario_responder01.xml
@@ -22,7 +22,7 @@
 
   <pause milliseconds="500"/> 
 
-  <send retrans="500">
+  <send>
     <![CDATA[
 
       SIP/2.0 200 OK
@@ -56,7 +56,6 @@
   <recv request="BYE">
   </recv>
 
-  <timewait milliseconds="4000"/>
   <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
   <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>