uac-3pcc-C-B.xml

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE scenario SYSTEM "sipp.dtd">
<scenario name="UAC with media">
    <!-- wait for the command from the 1st SIPp instance and parse the message creating the $callid, $localtag end $remotetag vars-->
    <recvCmd>
        <action>
            <ereg regexp="Call-ID: new_([^\r]+)\r" search_in="msg" assign_to="1,callid" check_it="true"/>
            <ereg regexp="Local-tag: ([^\r]+)\r" search_in="msg" assign_to="1,localtag" check_it="true"/>
            <ereg regexp="Remote-tag: ;tag=([^\r]+)\r" search_in="msg" assign_to="1,remotetag" check_it="true"/>
            <log message="Call-ID: [$callid]"/>
            <log message="Local-tag: [$localtag]"/>
            <log message="Remote-tag: [$remotetag]"/>
            <!-- just log the [$1] otherwise SIPp complains that $1 isn't used -->
            <log message="=======\nAll: [$1]\n======="/>
        </action>
    </recvCmd> 
  
  <nop display="Received command"/>  
  <!-- send INVITE containing the Replaces header-->
  <send retrans="500">
    <![CDATA[
      INVITE sip:[service]@[remote_ip]:[remote_port] SIP/2.0
      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
      Record-Route: <sip:[local_ip]:[local_port];lr>
      From: sipp B <sip:sipp@[local_ip]:[local_port]>;tag=[call_number]
      To: <sip:[service]@[remote_ip]:[remote_port];line=11594>
      Call-ID: [call_id]
      CSeq: 2 INVITE
      Replaces: [$callid];to-tag=[$localtag];from-tag=[$remotetag]
      Max-Forwards: 70
      Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE
      Contact: <sip:sipp@[local_ip]:[local_port];transport=udp>
      Supported: replaces
      Content-Length: [len]
      Content-Type: application/sdp

      v=0
      o=root 1035771577 1035771577 IN IP4 [local_ip]
      s=call
      c=IN IP4 [local_ip]
      t=0 0
      m=audio [auto_media_port] RTP/AVP 8 
      c=IN IP[local_ip_type] [local_ip]
      a=rtpmap:8 PCMA/8000
      a=rtpmap:101 telephone-event/8000
      a=fmtp:101 0-15
      a=sendrecv
      a=rtcp:RC5
      a=ptime:20
    ]]>
  </send>

  <recv response="100" optional="true"/>
  
  <recv response="180"/>
  
  <pause milliseconds="3000"/>
  
  <!--
  <nop display="Remotely answering pressing the ENTER key">
   <action>
     <exec command="curl -s http://[remote_ip]/command.htm?key=ENTER > /dev/null"/>
   </action>
  </nop>
  -->

  <recv response="200"/>

  <send crlf="true">
    <![CDATA[
      ACK sip:[service]@[remote_ip]:[remote_port] SIP/2.0
      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
      Record-Route: <sip:[local_ip]:[local_port];lr>
      From: sipp[call_number] <sip:sipp@[local_ip]:[local_port]>;tag=[call_number]
      To: sut <sip:[service]@[remote_ip]:[remote_port]>[peer_tag_param]
      Call-ID: [call_id]
      CSeq: 2 ACK
      Contact: <sip:sipp@[local_ip]:[local_port];transport=udp>
      Max-Forwards: 70
      Content-Length: 0
    ]]>
  </send>

  <nop display="Waiting for the BYE from UAC"/>
  <recv request="BYE">
  </recv>

  <send>
    <![CDATA[

      SIP/2.0 200 OK
      [last_Via:]
      [last_From:]
      [last_To:]
      [last_Call-ID:]
      [last_CSeq:]
      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
      Content-Length: 0

    ]]>
  </send>
</scenario>