6 May
2014
6 May
'14
2:56 p.m.
Thank you Olle
I am looking into it now. I currently have presence presence_xml and
presence_dialoginfo enabled. I will look into pua today.
On Tue, May 6, 2014 at 3:12 AM, Olle E. Johansson <oej(a)edvina.net> wrote:
On 05 May 2014, at 19:21, Joel White <joelewhite(a)gmail.com> wrote:
I am working on enabling presence and bla in a
Kamailio + FreeSWITCH
environment
All handsets are Polycom with a handful of Grandstream ATA's
I enabled presence and presence_xml
I have not got it to work as I keep seeing this meesage in the logs
NOTICE: presence [subscribe.c:1030]: handle_subscribe(): Unsupported
presence
event call-info
When I searched online for this error, the answers I got were saying
this was a
Linksys/Snom message....
How do I get presence to work properly?
By learning how it works ;-)
SIP has what we call event packages. These are mapping states of an
object. A server can learn the state internally (through one of our PUA*
modules) or by getting PUBLISH statements from the object.
Each event package has a name - presence, dialog and many more.
http://www.iana.org/assignments/sip-events/sip-events.xhtml
To get what you call presence to work you need to select which event
packages you want to work with, depending on what you want to do. If you
want to subscribe to certificates, it's "certificate", if it's
voicemail
it's "message-summary". For blinking lamps, I would say "dialog"
and for
buddy-lists and "I'm in a meeting" type presence, it's simply
"presence".
There are many vendor-specific packages and solutions for "bla".
When you've made your choice, select the proper kamailio modules,
configure all your clients to the same event package if possible and things
will start working. Now, if a phone use "call-info" that's not IETF/IANA
specified, and another device use "presence" and a third one "dialog"
you
will not get any interoperability.
The error message above indicates "call-info" and kamailio says it doesn't
understand this event package with the current Kamailio configuration. Read
the docs for all the pua* and presence* modules in Kamailio and start
solving this puzzle. I would go for "dialog" for most of the cases with
blinking lamps, but that's my personal preference.
/O
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