[SR-Users] Re-invites from carrier breaks the call

[Will Ferrer]

Hi Alex

Please see my responses below.

On Fri, Feb 20, 2015 at 4:28 PM, Alex Balashov <abalashov at evaristesys.com>
wrote:

> Hi Will,
>
> On 02/20/2015 07:24 PM, Will Ferrer wrote:
>
>  It seems that if I didn't pass it in the supported header then the
>> carrier shouldn't be sending me the timer refreshes anyway.
>>
>
> Indeed not, and that's what I was trying to say in my response yesterday.


Oh yes, I noted it there as well and then saw it also in the document I
referenced. Thank you for the information.

>
> First, don't confuse the OpenSIPS and Kamailio SST modules, even though
> they do appear to be identical. Still, two different projects.
>

My apologizes, my google search grabbed me the wrong project. The real one
is here, incase any one is referencing this thread:
http://www.kamailio.org/docs/modules/3.1.x/modules_k/sst.html

>
> Second, if you read this documentation, you'll find that nowhere in there
> exists the capability for Kamailio to initiate SST reinvites itself. All
> this module provides is policing for the SE value and the ability to peg
> dialog state to it by making Kamailio SST-aware--that is, aware of
> SST-motivated reinvites that still very much have to be initiated by the
> endpoints themselves.
>

I see what you mean.

Perhaps what I could do with the module is set a long minimum timeout, long
enough that it would allow our calls to complete before the re-invite
occurs. A messy solution but  might work in a pinch.

>
> In short, there's nothing you can do here except fix the endpoints.


Ok thank you for the advice. We will start testing what softphones we can
find that support the functionality.

I hope all is going well with you.

All the best.

Will

>
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
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>
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>
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