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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Hello Team,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using Linphone with Kamailio and facing *SSL handshake failed : X509 - Certificate verification failed, e.g. CRL, CA or signature check failed* error over *<b>TLS</b>*.<o:p></o:p></p><p class=MsoNormal>Following error is coming<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Apr 7 15:54:36 irisivdxcloud /usr/sbin/kamailio[9089]: ERROR: tls [tls_server.c:1290]: tls_h_read_f(): destination IP: 172.105.49.156<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:36 irisivdxcloud /usr/sbin/kamailio[9089]: ERROR: <core> [core/tcp_read.c:1500]: tcp_read_req(): ERROR: tcp_read_req: error reading - c: 0x7f2c7f85a2e0 r: 0x7f2c7f85a408 (-1)<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:36 irisivdxcloud /usr/sbin/kamailio[9036]: WARNING: {1 20 REGISTER ~OkQyvT70a} sanity [sanity.c:612]: check_cl(): content length header missing in request<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:40 irisivdxcloud /usr/sbin/kamailio[9040]: WARNING: {1 20 REGISTER ~OkQyvT70a} sanity [sanity.c:612]: check_cl(): content length header missing in request<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:43 irisivdxcloud /usr/sbin/kamailio[9071]: ERROR: tls [tls_server.c:1283]: tls_h_read_f(): protocol level error<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:43 irisivdxcloud /usr/sbin/kamailio[9071]: ERROR: tls [tls_util.h:42]: tls_err_ret(): TLS accept:error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:43 irisivdxcloud /usr/sbin/kamailio[9071]: ERROR: tls [tls_server.c:1287]: tls_h_read_f(): source IP: 49.36.149.254<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:43 irisivdxcloud /usr/sbin/kamailio[9071]: ERROR: tls [tls_server.c:1290]: tls_h_read_f(): destination IP: 172.105.49.156<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:43 irisivdxcloud /usr/sbin/kamailio[9071]: ERROR: <core> [core/tcp_read.c:1500]: tcp_read_req(): ERROR: tcp_read_req: error reading - c: 0x7f2c7f85a2e0 r: 0x7f2c7f85a408 (-1)<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:44 irisivdxcloud /usr/sbin/kamailio[9042]: WARNING: {1 20 REGISTER ~OkQyvT70a} sanity [sanity.c:612]: check_cl(): content length header missing in request<o:p></o:p></p><p class=MsoNormal>Apr 7 15:54:44 irisivdxcloud /usr/sbin/kamailio[9072]: INFO: {1 674 REGISTER 583608109@192.168.1.105} <script>: REGISTRATION CALLED: 740,Count: 0,Contact: sip:740@117.242.44.49:3668;transport=TCP,Domain: location<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Please suggest, what is this issue all about.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Thanks & Regards,<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Amit Sharma<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>(Sr. Team Leader)<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><span style='color:gray'> </span><span style='color:#1F497D'><img width=87 height=58 style='width:.9083in;height:.6in' id="Picture_x0020_1" src="cid:image001.jpg@01D72BC6.ED5CF450" alt="Copy of 34643416.jpg"></span><span lang=EN-IN style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:gray'><br></span><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>(An ISO 9001:2008 company)</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:gray'> </span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Mobile: <a href="tel:9891612004"><span style='color:blue'>tel:9891612004</span></a></span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>PH: +91 120 2595870</span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Ext.: <a href="tel:870"><span style='color:blue'>tel:870</span></a></span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>Email : <a href="mailto:amitsharma@coraltele.com"><span style='color:blue'>amitsharma@coraltele.com</span></a></span></b><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:gray'>Web : <a href="blocked::http://www.coraltele.com" title="http://www.coraltele.com
blocked::http://www.polycom.com/"><b><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:gray'>www.coraltele.com</span></b></a></span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><img border=0 width=487 height=24 style='width:5.075in;height:.25in' id="Picture_x0020_2" src="cid:image002.png@01D72BC6.ED5CF450" alt="https://docs.google.com/uc?export=download&id=0BwYYBqN87-tfM2JiYmhMSFdSZkk&revid=0BwYYBqN87-tfZW5iNExpazJqc01WUDZpOWFXd09SakhuUWJRPQ"></span><span style='color:#44546A'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>