<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Do you think "Seemingly random" is really important? I've had good luck with TCP/443 for SIP.<div><div><br><div apple-content-edited="true">
<div style="color: rgb(0, 0, 0); font-family: Calibri; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><i style="color: rgb(23, 127, 44); font-family: Consolas; font-size: x-small; ">>>> <a href="mailto:mark@ecg.co">mark@ecg.co</a> +1-229-316-0013 <a href="http://ecg.co/lindsey">http://ecg.co/lindsey</a></i></div>
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<br><div><div>On Jun 26, 2014, at 11:57 , Ryan Delgrosso <<a href="mailto:ryandelgrosso@gmail.com">ryandelgrosso@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000" style="font-family: Calibri; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Add 2 or 3 more seemingly random ports for the SBC to listen on. Also add them in TCP.<span class="Apple-converted-space"> </span><br><br>have the softphone use DNS naptr records to order UDP then TCP srv records, and in each SRV record offer the same proxy with different ports. This will cause the softphone to try multiple ports on UDP then multiple ports on TCP until it finds success.<span class="Apple-converted-space"> </span><br><br>If the softphone doesn't support NAPTR, then you can use SRV only but you lose the ability to try different transports. If it doesnt support SRV records, find another softphone.<span class="Apple-converted-space"> </span><br><br>-Ryan<br><br><br><div class="moz-cite-prefix">On 6/26/2014 7:34 AM, Feby Francis wrote:<br></div><blockquote cite="mid:002d01cf914b$c2b41430$481c3c90$@crosstel.com" type="cite"><span><Mail Attachment.gif></span><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);">Experts,<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);">I have a customer who travels a lot and uses our softphone offering, I need a solution to overcome the situations when the port 5060 is blocked.<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);">Is there any work around to solve the port blocking problems? We use standard 5060 on the SBC and my switch vendor is Broadsoft.<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);">Thanks for all the help and advices,<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><span>Feby Francis</span><span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);"><o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Verdana, sans-serif; color: rgb(106, 106, 106);"><o:p> </o:p></div></div><br><fieldset class="mimeAttachmentHeader"></fieldset><br><pre wrap="">_______________________________________________
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