diff --git a/bin/sipp.sh b/bin/sipp.sh
index 2b69a386..dafa5064 100755
--- a/bin/sipp.sh
+++ b/bin/sipp.sh
@@ -73,7 +73,7 @@ if [ -z "${RESP}" ]; then
     MPORT_ARG="-mp ${MPORT}"
   fi
   PORT=${PORT:-"50602"}
-  TIMEOUT=${TIMEOUT:-"10"}
+  TIMEOUT=${TIMEOUT:-"15"}
 
   sipp -max_socket $MAX ${TRANSPORT_ARG}\
     -inf "${BASE_DIR}/callee.csv" -inf "${BASE_DIR}/caller.csv" \
diff --git a/scenarios/invite_callforward/callforward.yml b/scenarios/invite_callforward/callforward.yml
index 8c10862c..a448b0d3 100644
--- a/scenarios/invite_callforward/callforward.yml
+++ b/scenarios/invite_callforward/callforward.yml
@@ -4,10 +4,10 @@ testuser1001@spce.test:
     destinations:
       - destination: sip:4311003@spce.test
         priority: 0
-        timeout: 2
+        timeout: 5
       - destination: sip:testuser1003@spce.test
         priority: 1
-        timeout: 2
+        timeout: 5
     name: dest1001
   mappings:
     cfu:
@@ -25,10 +25,10 @@ testuser1004@spce.test:
     destinations:
       - destination: sip:4311005@spce.test
         priority: 0
-        timeout: 2
+        timeout: 5
       - destination: sip:testuser1005@spce.test
         priority: 1
-        timeout: 2
+        timeout: 5
     name: dest1004
   mappings:
     cfu: []
diff --git a/scenarios/invite_conference_update/callforward.yml b/scenarios/invite_conference_update/callforward.yml
index 9b752a3e..8d0e7e5e 100644
--- a/scenarios/invite_conference_update/callforward.yml
+++ b/scenarios/invite_conference_update/callforward.yml
@@ -4,7 +4,7 @@ testuser1001@spce.test:
     destinations:
       - destination: conference
         priority: 0
-        timeout: 2
+        timeout: 5
     name: dest1001
   mappings:
     cfu:
diff --git a/scenarios/invite_voicebox/callforward.yml b/scenarios/invite_voicebox/callforward.yml
index 70345fda..5ff75a03 100644
--- a/scenarios/invite_voicebox/callforward.yml
+++ b/scenarios/invite_voicebox/callforward.yml
@@ -4,7 +4,7 @@ testuser1001@spce.test:
     destinations:
       - destination: voicebox
         priority: 0
-        timeout: 2
+        timeout: 5
     name: dest1001
   mappings:
     cfu:
diff --git a/scenarios/lock_ported/callforward.yml b/scenarios/lock_ported/callforward.yml
index bd65f71d..266c5a41 100644
--- a/scenarios/lock_ported/callforward.yml
+++ b/scenarios/lock_ported/callforward.yml
@@ -4,10 +4,10 @@ testuser1001@spce.test:
     destinations:
       - destination: sip:4311003@spce.test
         priority: 0
-        timeout: 2
+        timeout: 5
       - destination: sip:testuser1003@spce.test
         priority: 1
-        timeout: 2
+        timeout: 5
     name: dest1001
   mappings:
     cfu:
diff --git a/scenarios_lnp/incoming_peer/callforward.yml b/scenarios_lnp/incoming_peer/callforward.yml
index 50fcb419..3cc79109 100644
--- a/scenarios_lnp/incoming_peer/callforward.yml
+++ b/scenarios_lnp/incoming_peer/callforward.yml
@@ -4,7 +4,7 @@ testuser1001@spce.test:
     destinations:
       - destination: sip:4311003@spce.test
         priority: 0
-        timeout: 2
+        timeout: 5
     name: dest1001
   mappings:
     cfu: