<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><span></span></div><div><meta http-equiv="content-type" content="text/html; charset=utf-8">Recently we are testing the Freeswitch with the Astpp for change us servers (we use asterisk with a2billing).</div><div>In the migration process, we check some customers don’t register or don’t receive inbound calls. In a2billing works fine.</div><div>I think is something about NAT. Someone help me?<br><br><div><div><signature style="background-color: rgba(255, 255, 255, 0);"><br></signature></div><signature style="background-color: rgba(255, 255, 255, 0);">Atenciosamente,<table class="nl-container" cellpadding="0" cellspacing="0" style="border-collapse: collapse; table-layout: fixed; border-spacing: 0px; vertical-align: top; min-width: 320px; margin: 0px; width: 352px;"><tbody><tr style="vertical-align: top;"><td style="word-break: break-word; vertical-align: top; border-collapse: collapse !important;"><div class="block-grid two-up " style="margin: 0px; min-width: 300px; max-width: 300px; overflow-wrap: break-word; word-wrap: break-word; word-break: break-word;"><div style="border-collapse: collapse; display: table; width: 300px;"><div class="col num6" style="display: table-cell;"><div style="width: 113.21875px;"><div style="border: 0px solid transparent; padding: 5px 0px 0px;"><div align="center" class="img-container right fixedwidth " style="padding-right: 0px; padding-top: 20px; padding-left: 0px;"><img class="center" align="right" border="0" alt="Image" title="Image" width="100" src="https://www.gravatar.com/avatar/cfb7de65aa657cad01fc5160c0ec5bb6" style="outline: none; clear: both; border: none; border-top-left-radius: 100%; border-top-right-radius: 100%; border-bottom-right-radius: 100%; border-bottom-left-radius: 100%; height: auto; width: 100px; max-width: 100px; display: block !important;"></div></div></div></div><div class="col num6" style="max-width: 132px; min-width: 90px; display: table-cell;"><div style="width: 186.796875px;"><div style="border: 0px solid transparent; padding: 5px;"><table align="center" width="180"><tbody><tr><td><div><div style="line-height: 19.5px; padding: 15px 2px 2px;"><div style="line-height: 18px;"><p style="margin: 0px; line-height: 19px;"><span style="line-height: 27px;"><strong>Leandro Campos</strong></span></p></div></div></div><div><div style="line-height: 15.600000381469727px; padding: 0px 2px;"><div style="line-height: 14px;"><p style="margin: 0px; line-height: 17px;"><strong><span style="line-height: 17px;">CEO</span></strong></p></div></div></div><div><div style="line-height: 15.600000381469727px; padding: 2px;"><div style="line-height: 14px;"><p style="margin: 0px; line-height: 17px;"><span style="line-height: 13px;"><a href="tel:(11)%204118-6267" dir="ltr" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="0/1" style="-webkit-text-decoration-color: rgba(85, 85, 85, 0.258824);">(11) 4118-6267</a></span></p></div></div></div><div align="left" class="img-container left fixedwidth " style="padding-right: 0px; padding-left: 0px;"><a href="https://www.nvoip.com.br/"><img title="Nvoip" alt="Nvoip" width="80" src="https://www.nvoip.com.br/wp-content/themes/Untitled/images/3eb955cfcda3568baeb46af849e6c07e_logonvoip220x51trans.png"></a> <a href="https://www.linkedin.com/in/leandro-campos/"><img title="LinkedIn" alt="LinkedIn" width="15" src="https://www.nvoip.com.br/wp-content/uploads/2018/05/linkedin@2x.png"></a></div><div align="left" class="img-container left fixedwidth " style="padding-right: 0px; padding-left: 0px;"><a href="https://www.nvoip.com.br">https://www.nvoip.com.br</a></div></td></tr></tbody></table></div></div></div></div></div></td></tr></tbody></table></signature><br style="font-family: arial, sans-serif; font-size: 13px; -webkit-text-size-adjust: auto;"></div></div></body></html>