[VoiceOps] Solving port blocking issue @ softphone

[Tim Jackson]

Ditto.. We use TCP/443 without any real issues..

On Thu, Jun 26, 2014 at 10:20 AM, Mark R Lindsey <lindsey at e-c-group.com> wrote:
> Do you think "Seemingly random" is really important? I've had good luck with
> TCP/443 for SIP.
>
>>>> mark at ecg.co +1-229-316-0013 http://ecg.co/lindsey
>
> On Jun 26, 2014, at 11:57 , Ryan Delgrosso <ryandelgrosso at gmail.com> wrote:
>
> Add 2 or 3 more seemingly random ports for the SBC to listen on. Also add
> them in TCP.
>
> 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.
>
> 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.
>
> -Ryan
>
>
> On 6/26/2014 7:34 AM, Feby Francis wrote:
>
> <Mail Attachment.gif>
> Experts,
>
> 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.
>
> Is there any work around to solve the port blocking problems? We use
> standard 5060 on the SBC and my switch vendor is Broadsoft.
>
>
> Thanks for all the help and advices,
> Feby Francis
>
>
>
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