[SR-Users] Kamailio dialog presence (BLF)

Daniel-Constantin Mierla miconda at gmail.com
Mon Jul 16 09:37:26 CEST 2018


Hello,


On 12.07.18 16:41, Michal Škuta wrote:
> Hello,
>
> I am trying make presence module work with Kamailio. Right now I am
> testing these modules: presence, presence_xml, presence_dialoginfo,
> pua and pua_dialoginfo.
>
> I had some success, the BLF is working only when the monitored
> extension is calling. When the monitored extension is calling, then
> the BLF changes its color (red). After end of the call the BLF changes
> color to green.
> My problem is when a User comes on-line then it sends SUBSCRIBE with
> *Event: dialog* and don't get notified of its subscribers state and
> BLF is not changed.

does it come online during a call?

> I found similar problem in this mail list :
> https://lists.kamailio.org/pipermail/sr-users/2017-March/096314.html
> But is not working for me.
> Second question is about BLF and offline state. I can not found
> anything in RFC, there is no offline state, no way to turn off the BLF
> lamp from green to OFF.
> I found only this pdf from grandstream:
> http://www.grandstream.com/sites/default/files/Resources/GXP21x0_Eventlist_BLF_Guide.pdf
> mentioning offline state on page 8.
> Does anyone have experience with it?

BLF is about dialog states, not user (device) states, so it is about
being in a call (busy) or or not. Not to get notifications about it, you
should unsubscribe for dialog event.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference -- www.kamailioworld.com

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