diff --git a/sflphone-common/test/sippxml/test_4.xml b/sflphone-common/test/sippxml/test_4.xml
new file mode 100644
index 0000000000000000000000000000000000000000..bc4e5636fee7ad1998c5cd59747eed2edd3208c6
--- /dev/null
+++ b/sflphone-common/test/sippxml/test_4.xml
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<!DOCTYPE scenario SYSTEM "sipp.dtd">
+
+<!-- This program is free software; you can redistribute it and/or      -->
+<!-- modify it under the terms of the GNU General Public License as     -->
+<!-- published by the Free Software Foundation; either version 2 of the -->
+<!-- License, or (at your option) any later version.                    -->
+<!--                                                                    -->
+<!-- This program is distributed in the hope that it will be useful,    -->
+<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of     -->
+<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the      -->
+<!-- GNU General Public License for more details.                       -->
+<!--                                                                    -->
+<!-- You should have received a copy of the GNU General Public License  -->
+<!-- along with this program; if not, write to the                      -->
+<!-- Free Software Foundation, Inc.,                                    -->
+<!-- 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA             -->
+<!--                                                                    -->
+<!--                 Sipp default 'uac' scenario.                       -->
+<!--                                                                    -->
+
+<scenario name="Basic Sipstone UAC">
+  <!-- In client mode (sipp placing calls), the Call-ID MUST be         -->
+  <!-- generated by sipp. To do so, use [call_id] keyword.                --
+  <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]
+      From: sipp <sip:sipp@[local_ip]:[local_port]>;tag=[pid]SIPpTag00[call_number]
+      To: sut <sip:[service]@[remote_ip]:[remote_port]>
+      Call-ID: [call_id]
+      CSeq: 1 INVITE
+      Contact: sip:sipp@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Subject: Performance Test
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 0
+      a=rtpmap:0 PCMU/8000
+
+    ]]>
+  </send>
+
+  <recv response="100"
+        optional="true">
+  </recv>
+
+  <recv response="180" optional="true">
+  </recv>
+
+  <recv response="183" optional="true">
+  </recv>
+
+  <!-- By adding rrs="true" (Record Route Sets), the route sets         -->
+  <!-- are saved and used for following messages sent. Useful to test   -->
+  <!-- against stateful SIP proxies/B2BUAs.                             -->
+  <recv response="200" rtd="true">
+	<action>
+    		<ereg regexp="a=rtpmap:0 PCMU/8000" search_in="body" check_it="true" assign_to="1" />
+		<log message="Custom header is [$1]"/> 
+  	</action>
+  </recv>
+
+  <!-- Packet lost can be simulated in any send/recv message by         -->
+  <!-- by adding the 'lost = "10"'. Value can be [1-100] percent.       -->
+  <send>
+    <![CDATA[
+
+      ACK sip:[service]@[remote_ip]:[remote_port] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: sipp <sip:sipp@[local_ip]:[local_port]>;tag=[pid]SIPpTag00[call_number]
+      To: sut <sip:[service]@[remote_ip]:[remote_port]>[peer_tag_param]
+      Call-ID: [call_id]
+      CSeq: 1 ACK
+      Contact: sip:sipp@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Subject: Performance Test
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <!-- This delay can be customized by the -d command-line option       -->
+  <!-- or by adding a 'milliseconds = "value"' option here.             -->
+  <pause/>
+
+  <!-- The 'crlf' option inserts a blank line in the statistics report. -->
+  <send retrans="500">
+    <![CDATA[
+
+      BYE sip:[service]@[remote_ip]:[remote_port] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: sipp <sip:sipp@[local_ip]:[local_port]>;tag=[pid]SIPpTag00[call_number]
+      To: sut <sip:[service]@[remote_ip]:[remote_port]>[peer_tag_param]
+      Call-ID: [call_id]
+      CSeq: 2 BYE
+      Contact: sip:sipp@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Subject: Performance Test
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="200" crlf="true">
+  </recv>
+
+  <!-- definition of the response time repartition table (unit is ms)   -->
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+
+  <!-- definition of the call length repartition table (unit is ms)     -->
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
+
diff --git a/sflphone-common/test/siptest.cpp b/sflphone-common/test/siptest.cpp
index 27d15273578c70ffd35fc218af121be86e729c81..b764376c4283342fc06c158226974aebf1c1cdb7 100644
--- a/sflphone-common/test/siptest.cpp
+++ b/sflphone-common/test/siptest.cpp
@@ -408,3 +408,46 @@ void SIPTest::testHoldIpCall()
     Manager::instance().hangupCall(testCallID);
 }
 
+
+void SIPTest::testIncomingIpCallSdp ()
+{
+
+    pthread_t thethread;
+    void *status;
+
+    // command to be executed by the thread, user agent client which initiate a call and hangup
+    std::string command("sipp -sf sippxml/test_4.xml 127.0.0.1 -i 127.0.0.1 -p 5062 -m 1");
+
+    int rc = pthread_create(&thethread, NULL, sippThread, (void *)(&command));
+    if (rc) {
+        std::cout << "SIPTest: ERROR; return code from pthread_create()" << std::endl;
+    }
+
+
+    // sleep a while to make sure that sipp insdtance is initialized and sflphoned received
+    // the incoming invite.
+    sleep(2);
+
+    // gtrab call id from sipvoiplink 
+    SIPVoIPLink *siplink = SIPVoIPLink::instance ("");
+
+    CPPUNIT_ASSERT(siplink->_callMap.size() == 1);
+    CallMap::iterator iterCallId = siplink->_callMap.begin();
+    std::string testcallid = iterCallId->first;
+
+    // TODO: hmmm, should IP2IP call be stored in call list....
+    CPPUNIT_ASSERT(Manager::instance().getCallList().size() == 0);
+
+    // Answer this call
+    CPPUNIT_ASSERT(Manager::instance().answerCall(testcallid));
+
+
+    sleep(1);
+
+    rc = pthread_join(thethread, &status);
+    if (rc) {
+        std::cout << "SIPTest: ERROR; return code from pthread_join(): " << rc << std::endl;
+    }
+    else
+        std::cout << "SIPTest: completed join with thread" << std::endl;
+}
diff --git a/sflphone-common/test/siptest.h b/sflphone-common/test/siptest.h
index 8810273bca1717ff0fc4b3cb48508a28a8e95f1a..abf5558f1536460e082b1c2f62f7362b527963d2 100644
--- a/sflphone-common/test/siptest.h
+++ b/sflphone-common/test/siptest.h
@@ -58,6 +58,7 @@ class SIPTest : public CppUnit::TestCase {
     CPPUNIT_TEST ( testTwoOutgoingIpCall );
     // CPPUNIT_TEST ( testTwoIncomingIpCall );
     CPPUNIT_TEST ( testHoldIpCall);
+    CPPUNIT_TEST ( testIncomingIpCallSdp );
     CPPUNIT_TEST_SUITE_END();
 
     public:
@@ -86,6 +87,7 @@ class SIPTest : public CppUnit::TestCase {
 
 	void testHoldIpCall(void);
 
+        void testIncomingIpCallSdp(void);
     private:
 };