[OpenSIPS-Users] [Presence] Empty NOTIFY received after re-subscription

[Anca Vamanu]

Hi Pascal,

I don't know why would that happen. I keep testing it and didn't see 
this case..
Can you please raise the debug level and if you see it send me the part 
of the log corresponding to the processing of the Subscribe and 
generation of Notify.

Regards,
Anca

Pascal Maugeri wrote:
> Hi
>
> After re-subscribing to a user presence, we receive immediately a 
> NOTIFY with no content:
>
> NOTIFY sip:user1 at XX.XX.XX.XX:5060 SIP/2.0
> Via: SIP/2.0/UDP YY.YY.YY.YY:6667;branch=z9hG4bK34ab.7700bc14.0
> To: <sip:user1 at mycompany.com 
> <mailto:sip%3Auser1 at mycompany.com>>;tag=14257163
> From: <sip:user2 at mycompany.com 
> <mailto:sip%3Auser2 at mycompany.com>>;tag=9886f112d485ff608a79084eaa27a247-48fb
> CSeq: 5 NOTIFY
> Call-ID: 87cbad243e9c1b48c8333cbbb99cb282 at XX.XX.XX.XX
> Route: <sip:YY.YY.YY.YY:6666;lr=on>
> Content-Length: 0
> User-Agent: OpenSIPS (1.5.2-notls (x86_64/linux))
> Max-Forwards: 70
> Event: presence
> Contact: <sip:sa at YY.YY.YY.YY:6667>
> Subscription-State: active;expires=100
>
>  and then few seconds later I receive a NOTIFY with the proper 
> presence document.
>
> Which are the possible reasons why the presence server sends an 
> "empty" NOTIFY ?
>
> Cheers
> Pascal
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