[Freeswitch-users] No response to registration requests with high port numbers?

[Brian West]

we have no filters like that, sounds like a network path issue.

/b


On Thu, Jan 11, 2018 at 9:47 AM, Alex Lake <alex at digitalmail.com> wrote:

> Hi,
>
> Got a problem with a handset that doesn't seem to be registering on our
> Freeswitch server. The diagnostics from a member of Cisco support said...
>
> "At packet 422 we see the phone "0_4147057716 at 192.168.40.26"
> <0_4147057716 at 192.168.40.26> send a registration request to
> 5.9.36.113:5060 from 175.159.77.82:32060 - We do not see a reply to this
> from the SIP provider.
>
> We responses to requests from 0_359240637 at 192.168.40.26 with source port
> 5060, which suggests to me that the SIP provider is not replying to the
> high UDP port requests. As the MX is a NAT device, subsequent SIP requests
> will always have a high UDP port."
>
> I'm not sure where we might configure acceptable ranges of SIP source or
> if it's something else.
>
> Thanks for any suggestions...
>
> Alex
>
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