[AusNOG] Fixed wireless fun and games with SIP

[Steven Waite]

You will find that voice marked DSCP traffic can be on a different NBN traffic class with the RSP might not honour for other SIP providers other than their own SIP traffic .e.g Telstra used to drop Engin SIP traffic on fttp services when the traffic was marked as EF. Check if you can change the DSCP markings on the device to BE "Best effort"



-----Original Message-----
From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Nathan Brookfield
Sent: Friday, 1 March 2019 1:30 PM
To: Patrick Cole <z at amused.net>; Greg McLennan <mclennan at internode.on.net>
Cc: ausnog at ausnog.net <ausnog at lists.ausnog.net>; Narelle Clark <narellec at gmail.com>
Subject: Re: [AusNOG] Fixed wireless fun and games with SIP

Make sure SIP ALG is turned off on the router, may help.

Kindest Regards,
Nathan Brookfield (VK2NAB)
 
-----Original Message-----
From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Patrick Cole
Sent: Friday, March 1, 2019 2:20 PM
To: Greg McLennan <mclennan at internode.on.net>
Cc: ausnog at ausnog.net <ausnog at lists.ausnog.net>; Narelle Clark <narellec at gmail.com>
Subject: Re: [AusNOG] Fixed wireless fun and games with SIP

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
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