asterisk · gtjoseph · Jun 23, 2026
diff --git a/lib/python/asterisk/sipp.py b/lib/python/asterisk/sipp.py
@@ -143,9 +143,9 @@ def run(self):
         """
         super(SIPpTestCase, self).run()
 
-        for a in range(1, self.asterisk_instances):
-            self.ast[a-1].cli_exec('sip set debug on')
-            self.ast[a-1].cli_exec('pjsip set logger on')
+        for a in range(0, self.asterisk_instances):
+            self.ast[a].cli_exec('sip set debug on')
+            self.ast[a].cli_exec('pjsip set logger on')
 
         LOGGER.info("creating ami factory")
         if not isinstance(self.connect_ami, dict):
@@ -556,6 +556,9 @@ def errReceived(self, data):
         # SIPp will send some 'normal' messages to stderr. Buffer them so we
         # can output them later if we want
         self.stderr.append(data)
+        LOGGER.debug("Received from SIPp scenario %s:\n %s" % (self._name,
+                        data.decode('utf-8', 'ignore')))
+        self.output += data.decode('utf-8', 'ignore')
 
     def processEnded(self, reason):
         """Override of ProcessProtocol.processEnded"""

diff --git a/...jsip/transfers/attended_transfer/nominal/caller_local_blonde/configs/ast1/extensions.conf b/...jsip/transfers/attended_transfer/nominal/caller_local_blonde/configs/ast1/extensions.conf
@@ -1,9 +1,9 @@
 [default]
-exten => call_c,1,NoOp()
-	same => n,Dial(PJSIP/charlie)
+exten => bob,1,NoOp()
+	same => n,Dial(PJSIP/bob)
 	same => n,Hangup()
 
-exten => call_a,1,NoOp()
-        same => n,Dial(PJSIP/alice)
+exten => charlie,1,NoOp()
+        same => n,Dial(PJSIP/charlie)
         same => n,Hangup()
 
diff --git a/...els/pjsip/transfers/attended_transfer/nominal/caller_local_blonde/configs/ast1/pjsip.conf b/...els/pjsip/transfers/attended_transfer/nominal/caller_local_blonde/configs/ast1/pjsip.conf
@@ -9,15 +9,10 @@ context=default
 disallow=all
 allow=ulaw
 direct_media=no
-aors=alice
 send_pai=yes
 send_rpid=yes
 callerid=Alice <alice>
 
-[alice]
-type=aor
-contact=sip:alice@127.0.0.1:5068
-
 [bob]
 type=endpoint
 context=default
@@ -27,6 +22,11 @@ direct_media=no
 send_pai=yes
 send_rpid=yes
 callerid=Bob <bob>
+aors=bob
+
+[bob]
+type=aor
+contact=sip:bob@127.0.0.4:5060
 
 [charlie]
 type=endpoint
@@ -41,4 +41,4 @@ callerid=Charlie <charlie>
 
 [charlie]
 type=aor
-contact=sip:charlie@127.0.0.1:5067
+contact=sip:charlie@127.0.0.5:5060
diff --git a/...inal/caller_local_blonde/sipp/referer.xml → ...ler_local_blonde/sipp/alice_calls_bob.xml b/...inal/caller_local_blonde/sipp/referer.xml → ...ler_local_blonde/sipp/alice_calls_bob.xml
@@ -22,13 +22,13 @@
   <send retrans="500">
     <![CDATA[
 
-      INVITE sip:call_c@[remote_ip]:[remote_port] SIP/2.0
+      INVITE sip:bob@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
-      From: <sip:bob@[local_ip]:[local_port]>;tag=[call_number]
-      To: <sip:transfer@[remote_ip]:[remote_port]>
+      From: <sip:alice@[local_ip]:[local_port]>;tag=[call_number]
+      To: <sip:bob@[remote_ip]:[remote_port]>
       Call-ID: [call_id]
       CSeq: [cseq] INVITE
-      Contact: <sip:bob@[local_ip]:[local_port]>
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Content-Type: application/sdp
       Max-Forwards: 70
       Content-Length: [len]
@@ -54,30 +54,31 @@
   <send>
     <![CDATA[
 
-      ACK sip:call_c@[remote_ip]:[remote_port] SIP/2.0
+      ACK sip:bob@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];rport;branch=[branch]
       [last_From]
       [last_To]
       Call-ID: [call_id]
       CSeq: [cseq] ACK
-      Contact: sip:bob@[local_ip]:[local_port]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Content-Length: 0
 
     ]]>
   </send>
 
+  <pause milliseconds="1000"/>
   <!-- Put this leg on hold -->
   <send retrans="500">
     <![CDATA[
 
-      INVITE sip:call_c@[remote_ip]:[remote_port] SIP/2.0
+      INVITE sip:bob@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
       [last_From]
       [last_To]
       Call-ID: [call_id]
       CSeq: [cseq] INVITE
-      Contact: <sip:bob@[local_ip]:[local_port]>
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Content-Type: application/sdp
       Max-Forwards: 70
       Content-Length: [len]
@@ -103,13 +104,13 @@
   <send>
     <![CDATA[
 
-      ACK sip:call_c@[remote_ip]:[remote_port] SIP/2.0
+      ACK sip:bob@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];rport;branch=[branch]
       [last_From]
       [last_To]
       Call-ID: [call_id]
       CSeq: [cseq] ACK
-      Contact: sip:bob@[local_ip]:[local_port]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Content-Length: 0
 
@@ -152,55 +153,22 @@
   <send>
     <![CDATA[
 
-      REFER sip:call_c@[remote_ip]:[remote_port] SIP/2.0
+      REFER sip:bob@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
       [last_From:]
       [last_To]
       [last_Call-ID:]
       CSeq: [cseq] REFER
-      Contact: <sip:bob@[local_ip]:[local_port]>
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Refer-to: <[$remote_contact]?Replaces=REMOTE[$callid_chunk_1]%40[$callid_chunk_2]%3Bto-tag%3D[$remote_to_tag]%3Bfrom-tag%3D[$remote_from_tag]>
-      Referred-By: sip:bob@[local_ip]
+      Referred-By: sip:alice@[local_ip]
       Content-Length: 0
 
     ]]>
   </send>
   <recv response="202" rtd="true" crlf="true" />
 
-  <recv request="NOTIFY" />
-  <send>
-    <![CDATA[
-
-      SIP/2.0 200 OK
-      [last_Via:]
-      [last_From:]
-      [last_To]
-      [last_Call-ID:]
-      [last_CSeq:]
-      Contact: <sip:bob@[local_ip]:[local_port]>
-      Content-Length:0
-
-    ]]>
-  </send>
-
-  <recv request="NOTIFY" />
-
-  <send>
-    <![CDATA[
-
-      SIP/2.0 200 OK
-      [last_Via:]
-      [last_From:]
-      [last_To]
-      [last_Call-ID:]
-      [last_CSeq:]
-      Contact: <sip:bob@[local_ip]:[local_port]>
-      Content-Length:0
-
-    ]]>
-  </send>
-
   <!-- wait for referee scenario to finish then terminate this leg -->
   <recvCmd />
 

diff --git a/...inal/caller_local_blonde/sipp/referee.xml → ...local_blonde/sipp/alice_calls_charlie.xml b/...inal/caller_local_blonde/sipp/referee.xml → ...local_blonde/sipp/alice_calls_charlie.xml
@@ -32,13 +32,13 @@
   <send retrans="500">
     <![CDATA[
 
-      INVITE sip:call_a@[remote_ip]:[remote_port] SIP/2.0
+      INVITE sip:charlie@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
-      From: <sip:bob@[local_ip]:[local_port]>;tag=[call_number]
-      To: <sip:transfer@[remote_ip]:[remote_port]>
+      From: <sip:alice@[local_ip]:[local_port]>;tag=[call_number]
+      To: <sip:charlie@[remote_ip]:[remote_port]>
       Call-ID: [call_id]
       CSeq: [cseq] INVITE
-      Contact: <sip:bob@[local_ip]:[local_port]>
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Content-Type: application/sdp
       Content-Length: [len]
@@ -80,7 +80,7 @@
       Call-ID: [$original_callid]
       Remote-To-Tag: [$to_tag]
       Remote-From-Tag: [$from_tag]
-      Remote-URI: sip:call_a@[remote_ip]:[remote_port]
+      Remote-URI: sip:charlie@[remote_ip]:[remote_port]
     ]]>
   </sendCmd>
 
@@ -89,13 +89,13 @@
   <send>
     <![CDATA[
 
-      ACK sip:call_a@[remote_ip]:[remote_port] SIP/2.0
+      ACK sip:charlie@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];rport;branch=[branch]
       [last_From:]
       [last_To]
       Call-ID: [call_id]
       CSeq: [cseq] ACK
-      Contact: sip:bob@[local_ip]:[local_port]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Content-Length: 0
 

diff --git a/.../nominal/caller_local_blonde/sipp/uas.xml → .../nominal/caller_local_blonde/sipp/bob.xml b/.../nominal/caller_local_blonde/sipp/uas.xml → .../nominal/caller_local_blonde/sipp/bob.xml
@@ -84,12 +84,12 @@
 
   <recv request="INVITE">
       <action>
-          <ereg regexp="\"Alice\" &lt;sip:alice@127.0.0.1&gt;"
+          <ereg regexp="\"Charlie\" &lt;sip:charlie@127.0.0.1&gt;"
               header="P-Asserted-Identity"
               search_in="hdr"
               check_it="true"
               assign_to="asserted_identity"/>
-          <ereg regexp="\"Alice\" &lt;sip:alice@127.0.0.1&gt;"
+          <ereg regexp="\"Charlie\" &lt;sip:charlie@127.0.0.1&gt;"
               header="Remote-Party-ID"
               search_in="hdr"
               check_it="true"
@@ -144,7 +144,7 @@
 
   <!-- Keep the call open for a while in case the 200 is lost to be     -->
   <!-- able to retransmit it if we receive the BYE again.               -->
-  <pause milliseconds="4000"/>
+  <pause milliseconds="1000"/>
 
 
   <!-- definition of the response time repartition table (unit is ms)   -->

diff --git a/...l/caller_local_blonde/sipp/uas_hangup.xml → ...inal/caller_local_blonde/sipp/charlie.xml b/...l/caller_local_blonde/sipp/uas_hangup.xml → ...inal/caller_local_blonde/sipp/charlie.xml
@@ -86,12 +86,12 @@
 
   <recv request="INVITE">
       <action>
-          <ereg regexp="\"Charlie\" &lt;sip:charlie@127.0.0.1&gt;"
+          <ereg regexp="\"Bob\" &lt;sip:bob@127.0.0.1&gt;"
               header="P-Asserted-Identity"
               search_in="hdr"
               check_it="true"
               assign_to="asserted_identity"/>
-          <ereg regexp="\"Charlie\" &lt;sip:charlie@127.0.0.1&gt;"
+          <ereg regexp="\"Bob\" &lt;sip:bob@127.0.0.1&gt;"
               header="Remote-Party-ID"
               search_in="hdr"
               check_it="true"
@@ -103,7 +103,7 @@
               check_it="true"
               assign_to="remote_tag"/>
           <!-- Save the From user portion of URI. We'll need it when we send our BYE -->
-          <ereg regexp="(sip:bob)"
+          <ereg regexp="(sip:alice)"
               header="From:"
               search_in="hdr"
               check_it="true"
@@ -143,11 +143,11 @@
 
       BYE [$remote_user]@[remote_ip]:[remote_port] SIP/2.0
       Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
-      From: <sip:charlie@[local_ip]:[local_port]>;tag=[call_number]
+      From: <sip:bob@[local_ip]:[local_port]>;tag=[call_number]
       To: <[$remote_user]@[remote_ip]:[remote_port]>[$remote_tag]
       Call-ID: [call_id]
       CSeq: [cseq] BYE
-      Contact: sip:charlie@[local_ip]:[local_port]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
       Max-Forwards: 70
       Subject: Performance Test
       Content-Length: 0

diff --git a/...s/channels/pjsip/transfers/attended_transfer/nominal/caller_local_blonde/test-config.yaml b/...s/channels/pjsip/transfers/attended_transfer/nominal/caller_local_blonde/test-config.yaml
@@ -4,20 +4,43 @@ testinfo:
         "Originate two SIP calls through Asterisk to remote endpoints and then have
         one originating call transfer the other via REFER with Replaces header.
 
-        The four SIPp scenarios involved perform the following actions:
-        SIPp #1 (referer.xml) calls through Asterisk to SIPp #2 (uas.xml)
-        SIPp #1 kicks off SIPp #3 (referee.xml) which calls SIPp #4 (uas_hangup.xml).
-        SIPp #3 passes call information back to SIPp #1.
-        Before SIPp #4 answers SIPp #1 initiates an attended transfer via REFER with Replaces information from SIPp #3.
-        SIPp #3 is hung up.
-        SIPp #1 hangs up.
-        SIPp #4 continues to ring until it answers.
-        SIPp #2 receives a connected line update and the values are checked.
-        SIPp #4 answers.
-        SIPp #2 and SIPp #4 are bridged.
-        SIPp #4 receives a connected line update and the values are checked.
-        SIPp #4 hangs up.
-        SIPp #2 is hung up."
+        High-level scenario:
+        Alice calls Bob.  When he answers, Alice puts him on hold.
+        Alice calls Charlie.  Before he answers, Alice does a REFER Bob->Charlie.
+        When Charlie answers he and Bob are bridged and Alice goes away.
+
+        NOTE:  sipp doesn't allow more than one dialog in a scenario file so Alice
+        is actually implemented in two scenario files: alice_calls_bob and alice_calls_charlie.
+        The two coordinate using sipp's 3pcc capability.
+
+        Low-level flow:
+        alice_calls_bob starts by calling bob.
+        bob answers.
+        alice_calls_bob waits for a second then sends a reINVITE to put bob on hold.
+        alice_calls_bob does a sendCmd to start alice_calls_charlie then waits on a recvCmd from alice_calls_charlie.
+        charlie waits 5 seconds before answering.
+        alice_calls_charlie waits 1 second then does a sendCmd back to alice_calls_bob.
+        charlie is still waiting.
+        alice_calls_bob recvCmd returns.
+        alice_calls_bob does a REFER bob->charlie.
+        alice_calls_bob receives a 202 and 2 NOTIFYs.  The NOTIFYs are handled automatically by sipp.
+        alice_calls_bob waits again on a recvCmd from alice_calls_charlie.
+        alice_calls_charlie gets a 603 and sends an ACK.
+        alice_calls_charlie does a sendCmd to alice_calls_bob.
+        alice_calls_charlie.xml ENDS.
+        alice_calls_bob.xml recvCmd returns.
+        alice_calls_bob.xml sends a BYE.
+        alice_calls_bob.xml receives a 481.
+        alice_calls_bob.xml ENDS.
+        charlie finally answers.
+        charlie gets an ACK followed by a reINVITE with Bob's callerID.
+        charlie sends a 200 and gets an ACK.
+        bob gets a reINVITE with Charlie's callerID.
+        bob sends a 200 and gets an ACK.
+        bob waits on a BYE.
+        charlie sends a BYE.
+        bob gets the BYE and ENDS.
+        charlie ENDS.
 
 test-modules:
     add-test-to-search-path: True
@@ -34,10 +57,14 @@ test-object-config:
     test-iterations:
         -
             scenarios:
-                - { 'key-args': {'scenario':'uas.xml', '-p':'5067', '-m':'2', '-sleep': '2'} }
-                - { 'key-args': {'scenario':'uas_hangup.xml', '-p':'5068', '-m':'2', '-sleep': '2'} }
-                - { 'coordinated-sender': {'key-args': {'scenario':'referer.xml', '-p':'5066', '-sleep': '2'} },
-                    'coordinated-receiver': {'key-args': {'scenario':'referee.xml', '-p':'5065'} } }
+                - { 'coordinated-sender': {'key-args': {'scenario':'alice_calls_bob.xml', '-i':'127.0.0.2', '-p':'5060', '-sleep': '2'},
+                                           'ordered-args': [ '-aa', '-bind_local' ] },
+                    'coordinated-receiver': {'key-args': {'scenario':'alice_calls_charlie.xml', '-i':'127.0.0.3', '-p':'5060'},
+                                             'ordered-args': [ '-bind_local' ] } }
+                - { 'key-args': {'scenario':'bob.xml', '-i':'127.0.0.4', '-p':'5060', '-m':'2', '-sleep': '2'},
+                    'ordered-args': [ '-bind_local' ] }
+                - { 'key-args': {'scenario':'charlie.xml', '-i':'127.0.0.5', '-p':'5060', '-m':'2', '-sleep': '2'},
+                    'ordered-args': [ '-bind_local' ] }
 
 ami-config:
     -