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<p>Hi Alex,</p>
<p>If you're on Juniper SRX's I have had success with both Optus and
Telstra Wifi calling enabling the ike-esp-nat ALG as it is off by
default. <br>
</p>
<div class="moz-signature">
<p style="font-family: 'Verdana','sans-serif';">Best Regards,</p>
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<td colspan="3" style="width: 320px; padding: 0 5.4pt 10pt
0;"><a style="text-decoration: none;"
href="https://www.levart.com.au/"><img style="border:
0;" src="cid:part1.aX3SAqN9.TebjMrtC@levart.com.au"
alt="" width="88" height="45"></a></td>
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<td style="font-family:'Verdana','sans-serif'; width: 200px;
padding: 0 5.4pt 0 0; border-right: solid #548DD4 1px;">
Andrew Simmonds<br>
Systems Development Manager<br>
<strong>Levart</strong><br>
<a style="color: #333333; text-decoration: none;
-webkit-text-size-adjust:none;"
x-apple-data-detectors="false" href="#">1A/18 Gibberd
Road<br>
Balcatta WA 6021</a> </td>
<td style="width: 15px; padding: 0 5.4pt 0 5.4pt;
text-align:left;"> p:<br>
m:<br>
f:<br>
e:<br>
w: </td>
<td style="width: 105px; padding: 0 5.4pt 0 5.4pt;
text-align:right;"> <a style="color: #333333;
text-decoration: none;" href="tel:1300538278">1300 538
278</a><br>
<a style="color: #333333; text-decoration: none;"
href="tel:+61401218463">+61 401 218 463</a><br>
<a style="color: #333333; text-decoration: none;"
href="tel:+61893828003">+61 8 9382 8003</a><br>
<a style="color: #333333; text-decoration: none;"
href="mailto:andrew@levart.com.au"
class="moz-txt-link-freetext">andrew@levart.com.au</a><br>
<a style="color: #333333; text-decoration: none;"
href="https://www.levart.com.au/">www.levart.com.au</a>
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<div class="moz-cite-prefix">On 24/07/2022 3:19 pm, Chard, Alex
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:MEYPR01MB73194D4B6A98A31B6AB25656D9929@MEYPR01MB7319.ausprd01.prod.outlook.com">
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<p class="MsoNormal">Hi Noggers,<o:p></o:p></p>
<p class="MsoNormal">I’m looking for a contact at Optus (or not
at Optus maybe?) who would be able to advise what we need to
permit on our firewalls to get Wifi Calling working on the
Optus network.<o:p></o:p></p>
<p class="MsoNormal">I have tried the normal customer support
channels and they were predictably useless.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Alex Chard<o:p></o:p></p>
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<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
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