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

[Alex Lake]

I'm beginning to think that this high port number thing is a red 
herring. The router in question is a Meraki and it seems to have trouble 
allowing more than one SIP client to register with freeswitch (maybe a 
NAT/ALG issue)- is this some kind of FAQ?

On 11/01/2018 15:47, Alex Lake 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" 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 
> <mailto: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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