[Kamailio-Users] SST module: Min-SE optional in request

[Daniel-Constantin Mierla]

Hello Sebastian,

On 10/08/08 15:31, Schumann Sebastian wrote:
> Dear all
>  
> I might have noticed a bug in SST module:
>  
> If I send an INVITE with
> Session-Expires: 300
> Supported: timer
>  
> I get rejected with 422 Session-Timer too small.
>  
> If a Min-SE: x header with x > set min_se parameter included I do not 
> get the message.
>  
> This is IMHO wrong behavior, as Min-SE is optional in initial 
> INVITE-requests sent by the phone acc. RFC 4028, table 1.
indeed, seems to be an issue. I will look at it.
>  
> Another thing that I noticed is the response to this message includes 
> the Min-SE header (as it should), but has no linebreak after it (at 
> least in kamailio branch 1.4). The message looks like
> MIN-SE:120Server: Kamailio (1.4.1-notls (i386/linux))
This is clear a bug, perhaps CRLF is forgotten when adding header -- 
seems nobody was using it for long time as was not reported so far. I 
will check to see if the bug is valid for openser 1.3.x as well.

Thanks for reporting.

Cheers,
Daniel

>  
> The phone call cannot be performed.
>  
> At least one thing is IMHO wrong, as the phone cannot complete the 
> call. It might be wrong the call gets rejected, or the answer might be 
> possible like this, but then the phone cannot extract Min-SE due to 
> wrong format.
>  
> Any opinions on this?
>  
> Sebastian
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-- 
Daniel-Constantin Mierla
http://www.asipto.com