<div dir="ltr">Hi Jan,<div>Sorry for the delayed response. I guess the issue is because of UDP transport, which my kamailio is not accepting. Because  the same scenario is reproduced when I change my pjsip configurations to udp instead of tcp. But linphone gives me the following error if I tried to connect using tcp.</div><div><b>ortp-error-wrong state: create transport layer first<br>ortp-error-wrong state: create transport layer first<br>ortp-error-eXosip: missing via header</b><br></div><div>Am I missing something really important? Please let me know. Thanks in advance.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 30, 2020 at 5:33 PM Jan Rozhon <<a href="mailto:jan.rozhon@gmail.com">jan.rozhon@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p>Hmm, nothing obviously wrong. Is there anything in Kamailio's
      logs? Are you sure REGISTER reaches kamailio? Can you run tcpdump
      or even better sngrep on kamailio server?</p>
    <p>Regards, Jan<br>
    </p>
    <p><br>
    </p>
    <div>On 30. 09. 20 13:28, Pavithra Mohanraja
      wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">Hi Jan,<br>
        <div>I have also tried as u suggested with reg_proxy only with
          sip server name, could not obtain any positive changes. I have
          also attached the debug logs, please have a look and suggest
          for any changes. Thanks in advance. </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, Sep 30, 2020 at 4:42
          PM Jan Rozhon <<a href="mailto:jan.rozhon@gmail.com" target="_blank">jan.rozhon@gmail.com</a>> wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Sorry, I am not that good in linphone configuration file
              so I may be wrong, but it seems to me that reg_proxy
              should only contain uri of the server, not the user part.
              Moreover, I have definitely more options there but not
              using it as an IMS.</p>
            <p>Mine is a bit more wordy:</p>
            <p>[proxy_3]<br>
              reg_proxy=<a><sip:sip.server.here;transport=udp></a><br>
              reg_identity=<a>sip:420123456789@sip.server.here</a><br>
              realm=<a href="http://sip.linphone.org" target="_blank">sip.linphone.org</a><br>
              contact_parameters=message-expires=604800<br>
              quality_reporting_collector=<a>sip:voip-metrics@sip.linphone.org;transport=tls</a><br>
              quality_reporting_enabled=1<br>
              quality_reporting_interval=180<br>
              reg_expires=600<br>
              reg_sendregister=1<br>
              publish=1<br>
              avpf=-1<br>
              avpf_rr_interval=1<br>
              dial_escape_plus=0<br>
              privacy=32768<br>
              push_notification_allowed=0<br>
              idkey=proxy_config_voVF8eoXq46cJLs<br>
              publish_expires=600<br>
              nat_policy_ref=bUwFfNPHt40-miQ</p>
            <p>Could you send the REGISTER message not being accepted?</p>
            <p>Regards, Jan<br>
            </p>
            <div>On 30. 09. 20 12:54, Pavithra Mohanraja wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">Hi Jan,<br>
                <div>I'm trying to connect linphone to my kamailio ims.
                  Only register request is sent from Linphone and no
                  acknowledgement  is received. I'm attaching you my
                  linphonerc file. Please advise if any correction is
                  required in the configuration. </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Wed, Sep 30, 2020
                  at 3:50 PM Jan Rozhon <<a href="mailto:jan.rozhon@gmail.com" target="_blank">jan.rozhon@gmail.com</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                  <div>
                    <p>Hey, I have no problems with linphone (desktop
                      and mobile).</p>
                    <p>Could you be more specific on what you set up
                      and/or what the communication looks like when
                      using linphone?</p>
                    <p>Regards, Jan<br>
                    </p>
                    <div>Dne 30.09.2020 v 11:55 Pavithra Mohanraja
                      napsal(a):<br>
                    </div>
                    <blockquote type="cite">
                      <div dir="ltr">Hi,<br>
                        <div>I am a newbie to sipclient Linphone. I know
                          this issue is not related with kamailio.Yet If
                          anybody have tried it before , kindly provide
                          me with some links or procedures to be
                          followed for call registration and
                          connectivity with kamailio since in my case,
                          request is going but response is not coming
                          back resulting in timeout issue.</div>
                        <div><br>
                        </div>
                        <div>This happens only in linphone.If i do the
                          samething in PJSIP/zoiper, call
                          registration and call establishment happens
                          perfectly fine.</div>
                        <div><br>
                        </div>
                        <div>Kindly help.</div>
                        <div><br>
                        </div>
                        <div>Thanks,</div>
                        <div>Pavithra</div>
                      </div>
                      <br>
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