[AusNOG] Fixed wireless fun and games with SIP

[Patrick Cole]

I think Greg might be on to something there - If the handsets by chance
are doing something like UPNP to request forward of 5060 through from the router, 
only one might be getting the inbound calls due to that as they would be 
competing for the port forward.

PC

Fri, Mar 01, 2019 at 02:14:56PM +1100, Greg McLennan wrote:


>    If your sharing(sip?) are you both registering on ports 5060, or
>    reconfigured one user to 5061?. Does the front end router have a sip
>    helper option?
> 
>    Cheers Greg
> 
>    On 1/03/2019 1:14 pm, Narelle Clark wrote:
> 
>      Hi all
>      Wondering if anyone has seen this before: customer has home office, SIP
>      phone on dsl and all works fine.
>      Relocates to another home connected via NBN fixed wireless and shares
>      with another user but wrong handset rings and can't take inbound calls.
>      No apparent issues with video downloads. Makes outbound calls fine.
>      Looks like NAT getting its ports crossed?
>      Ideas anyone?
>      Cheers 
>      Narelle  
> 
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-- 
Patrick Cole <patrickc at spirit.com.au>
Senior Network Engineer
Spirit Telecom Ltd
19-25 Raglan St, South Melbourne VIC 3205
Desk:    0385541391
Mobile:  0410626630