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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Actually we require this behavior in case of SAE.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">UE ----ePDG-----PGW<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">So here IPSEC tunnel is established between UE and EPDG.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Poonam<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> users-bounces+poonam2.gupta=aricent.com@lists.strongswan.org [mailto:users-bounces+poonam2.gupta=aricent.com@lists.strongswan.org]
<b>On Behalf Of </b>Stefano Sasso<br>
<b>Sent:</b> Friday, August 02, 2013 2:50 PM<br>
<b>To:</b> users@lists.strongswan.org<br>
<b>Subject:</b> Re: [strongSwan] Query reagrding emergency call<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If i remember well, <o:p></o:p></p>
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<p class="MsoNormal">a IPSEC tunnel is not required on UE to IMS communication in LTE/VoLTE.<o:p></o:p></p>
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<p class="MsoNormal">The mme should accept emergency attach, and then the UE connects to the e-cscf throught the p-cscf (using an emergency apn).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">stefano<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal">2013/8/2 Poonam2 Gupta <<a href="mailto:poonam2.gupta@aricent.com" target="_blank">poonam2.gupta@aricent.com</a>><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">With emergency call, I mean if user is not authenticated or SIM is not inserted, still a IPSEC tunnel shall be created.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Let me put reference for section 6.1.5.1.1 from 33.234 IEEE specs.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Another reference
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"><a href="http://9ltebeyondbooks.blogspot.in/2013/01/emergency-call-in-lte-network.html" target="_blank">http://9ltebeyondbooks.blogspot.in/2013/01/emergency-call-in-lte-network.html</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Poonam</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Paton, Andy [mailto:<a href="mailto:andy.paton@hp.com" target="_blank">andy.paton@hp.com</a>]
<br>
<b>Sent:</b> Friday, August 02, 2013 2:03 PM<br>
<b>To:</b> Poonam2 Gupta; <a href="mailto:users@lists.strongswan.org" target="_blank">
users@lists.strongswan.org</a><br>
<b>Subject:</b> RE: Query reagrding emergency call</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D">Poonam,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D">What do you mean by Emergency Call?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:9.0pt;font-family:"HP Simplified"">Andy Paton -
</span></b><span style="font-size:9.0pt;font-family:"HP Simplified";color:#262626">Bsc. (Hons), MBCS</span><b><span style="font-size:9.0pt;font-family:"HP Simplified""><br>
</span></b><span style="font-size:9.0pt;font-family:"HP Simplified";color:#717172">Innovation Engineer<br>
<br>
</span><a href="http://www.hp.com/" target="_blank"><span style="font-size:9.0pt;font-family:"HP Simplified";color:#717172;text-decoration:none"><img border="0" width="30" height="30" id="_x0000_i1025" src="cid:image001.png@01CE8F90.3F5DD660" alt="HP"></span></a><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"HP Simplified Light";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b>
<a href="mailto:users-bounces+andy.paton=hp.com@lists.strongswan.org" target="_blank">
users-bounces+andy.paton=hp.com@lists.strongswan.org</a> [<a href="mailto:users-bounces+andy.paton=hp.com@lists.strongswan.org" target="_blank">mailto:users-bounces+andy.paton=hp.com@lists.strongswan.org</a>]
<b>On Behalf Of </b>Poonam2 Gupta<br>
<b>Sent:</b> 02 August 2013 09:06<br>
<b>To:</b> <a href="mailto:users@lists.strongswan.org" target="_blank">users@lists.strongswan.org</a><br>
<b>Subject:</b> [strongSwan] Query reagrding emergency call<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi There,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Do we have support of emergency call in strongswan? If yes, then what configuration needs to be done?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">If no, can we make some changes in code to work it out?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Regards<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Poonam<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <br>
Stefano Sasso<br>
<a href="http://stefano.dscnet.org/">http://stefano.dscnet.org/</a> <o:p></o:p></p>
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