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    <p>Hello,</p>
    <p>thanks for all these useful details!</p>
    <p>Cheers,<br>
      Daniel<br>
    </p>
    <div class="moz-cite-prefix">On 18.03.21 07:02, supreeth herle
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CABcwuCxM=TAA6uUL=VfsC1QhnkT4ict2dGS9SyU_DwNBCib9WQ@mail.gmail.com">
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        <div>Hi Daniel,</div>
        <div><br>
        </div>
        <div>I am not using any developer mode for the phone app. I have
          tested using a test network with programmable SIM cards from
          Sysmocom and COTS UE. In order for the Android phones to
          perform an IMS attach I make use of Carrier Privileges to
          force enable the VoLTE feature. More instructions can be found
          in the following link <a
            href="https://github.com/herlesupreeth/CoIMS_Wiki"
            moz-do-not-send="true">https://github.com/herlesupreeth/CoIMS_Wiki</a>.
          From my experience if you are using a test network (PLMN
          00101) you have maximum success in activation of VoLTE on the
          phone. <br>
        </div>
        <div><br>
        </div>
        <div>On the iPhones, the IMS is by default enabled for all PLMNs</div>
        <div><br>
        </div>
        <div>Best Regards,</div>
        <div>Supreeth<br>
        </div>
        <div><br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, 17 Mar 2021 at 20:21,
          Daniel-Constantin Mierla <<a
            href="mailto:miconda@gmail.com" moz-do-not-send="true">miconda@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>Hello,</p>
            <p>is there like a developer mode for this app that allows
              to register on a local LTE network? Or you tested with a
              simcard built for you own network?</p>
            <p>Cheers,<br>
              Daniel<br>
            </p>
            <div>On 17.03.21 15:05, supreeth herle wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="auto">
                <div>Hi Shigeru,</div>
                <div dir="auto"><br>
                </div>
                <div dir="auto">Having written <span
                    style="font-family:sans-serif">Open5GS (LTE / EPC) +
                    Kamailio's VoLTE tutorial myself here is my 2 cents
                    on VoLTE client. You can use any Android phone /
                    iphone with its default phone app to test VoLTE (try
                    to avoid Samsung phone as much as possible)</span></div>
                <div dir="auto"><font face="sans-serif"><br>
                  </font></div>
                <div dir="auto"><font face="sans-serif">Best regards,</font></div>
                <div dir="auto"><font face="sans-serif">Supreeth</font></div>
                <div dir="auto"><font face="sans-serif"><br>
                  </font><br>
                  <div class="gmail_quote" dir="auto">
                    <div dir="ltr" class="gmail_attr">On Wed, Mar 17,
                      2021, 3:45 PM shigeru ishida <<a
                        href="mailto:s5u.ishida@gmail.com"
                        target="_blank" moz-do-not-send="true">s5u.ishida@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 dir="ltr">
                        <div dir="ltr">Hi Daniel,<br>
                          <div><br>
                          </div>
                          <div>Thank you very much for your information.<br>
                          </div>
                          <div><br>
                          </div>
                          <div>I have tried AGEphone (VoIP) before.<br>
                          </div>
                          <div><br>
                          </div>
                          <div>However, I don't have any information on
                            whether Open5GS (LTE / EPC) + Kamailio's
                            VoLTE can be used with a normal phone app on
                            comercial smartphones.<br>
                          </div>
                          <div>Maybe it's just because I'm not familiar
                            with this area.<br>
                          </div>
                          <div><br>
                          </div>
                          <div>So, I asked if there is a general VoLTE
                            compatible softphone.<br>
                          </div>
                          <div><br>
                          </div>
                          <div>Thank you very much again.</div>
                          <div><br>
                          </div>
                          <div>Regards,<br>
                          </div>
                          <div><br>
                          </div>
                          <div>--Shigeru</div>
                        </div>
                        <br>
                        <div class="gmail_quote">
                          <div dir="ltr" class="gmail_attr">2021年3月17日(水)
                            16:21 Daniel-Constantin Mierla <<a
                              href="mailto:miconda@gmail.com"
                              rel="noreferrer" target="_blank"
                              moz-do-not-send="true">miconda@gmail.com</a>>:<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>Hello,</p>
                              <p>not acting much in this space, but I
                                heard about something like imsdroid --
                                probably you can try to search on the
                                net and see what you can find.</p>
                              <p>Cheers,<br>
                                Daniel<br>
                              </p>
                              <div>On 12.03.21 09:01, shigeru ishida
                                wrote:<br>
                              </div>
                              <blockquote type="cite">
                                <div dir="ltr">
                                  <p>Hi all,</p>
                                  <p>I have one question.</p>
                                  <p>What softphones can I use when
                                    trying VoLTE (not VoIP) with
                                    Kamailio? I would like to verify
                                    VoLTE of private LTE with Open5GS
                                    and Kamailio.</p>
                                  <p>I'm sorry to ask you a question
                                    without much understanding of
                                    Kamailio, VoIP and VoLTE.</p>
                                  <p>Thank you very much in advance.</p>
                                  <p>Best regards,</p>
                                  <p>--Shigeru</p>
                                </div>
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</pre>
                              </blockquote>
                              <pre cols="72">-- 
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" rel="noreferrer" target="_blank" moz-do-not-send="true">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" rel="noreferrer" target="_blank" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" rel="noreferrer" target="_blank" moz-do-not-send="true">www.linkedin.com/in/miconda</a>
Funding: <a href="https://www.paypal.me/dcmierla" rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.paypal.me/dcmierla</a></pre>
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              <pre>_______________________________________________
Kamailio (SER) - Users Mailing List
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</pre>
            </blockquote>
            <pre cols="72">-- 
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank" moz-do-not-send="true">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank" moz-do-not-send="true">www.linkedin.com/in/miconda</a>
Funding: <a href="https://www.paypal.me/dcmierla" target="_blank" moz-do-not-send="true">https://www.paypal.me/dcmierla</a></pre>
          </div>
        </blockquote>
      </div>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla -- <a class="moz-txt-link-abbreviated" href="http://www.asipto.com">www.asipto.com</a>
<a class="moz-txt-link-abbreviated" href="http://www.twitter.com/miconda">www.twitter.com/miconda</a> -- <a class="moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda">www.linkedin.com/in/miconda</a>
Funding: <a class="moz-txt-link-freetext" href="https://www.paypal.me/dcmierla">https://www.paypal.me/dcmierla</a></pre>
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