diff --git a/scenarios/invite_concurrent_max/sipp_scenario_responder01.xml b/scenarios/invite_concurrent_max/sipp_scenario_responder01.xml
index 04218029..572347c2 100644
--- a/scenarios/invite_concurrent_max/sipp_scenario_responder01.xml
+++ b/scenarios/invite_concurrent_max/sipp_scenario_responder01.xml
@@ -2,7 +2,7 @@
 
 <scenario name="Sipwise NGCP Benchmark UAC Caller">
 
-  <pause milliseconds="2500"/>
+  <pause milliseconds="3000"/>
 
   <send start_rtd="1" start_rtd="2">
     <![CDATA[
diff --git a/scenarios/invite_concurrent_max_per_account/sipp_scenario00.xml b/scenarios/invite_concurrent_max_per_account/sipp_scenario00.xml
index 8403cc52..d948ae1c 100644
--- a/scenarios/invite_concurrent_max_per_account/sipp_scenario00.xml
+++ b/scenarios/invite_concurrent_max_per_account/sipp_scenario00.xml
@@ -113,7 +113,7 @@
     </action>
   </nop>
 
-  <pause milliseconds="1500"/>
+  <pause milliseconds="2000"/>
 
   <send start_rtd="4">
     <![CDATA[
diff --git a/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder01.xml b/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder01.xml
index 7b0eb982..4fe2ff55 100644
--- a/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder01.xml
+++ b/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder01.xml
@@ -2,7 +2,7 @@
 
 <scenario name="Sipwise NGCP Benchmark UAC Caller">
 
-  <pause milliseconds="2500"/>
+  <pause milliseconds="3000"/>
 
   <send start_rtd="1" start_rtd="2">
     <![CDATA[