Hi,
 
In case of Presence Service - you would have firstly Subscribed for the presence 
service after registering with the registrar server.
 
It is only after subscribing (subscribe Method) to the presence service - that you get 
Notifications. So when logging out - firstly you need to un-subscribe to the presence 
service by sending subscribe method with expires value set to zero. After which you 
send a Register method with expires = 0 to unregister the UA.
 
Regards,
Santosh
 

Hi All,

I have 2 queries regarding Presence Server.

1) Is specifying expiration interval to '0' in REGISTER method the only way
to remove all bindings of a UA. For example, in a Presence service i will
sign out from a UA by sending expires=0 in REGISTER method. Is it correct ?

2) If yes, should my UA PUBLISH its sign out state and then send final
REGISTER so that Presence Server can send Notification to all subscribers
about the Signout state. Or my Presence Server should handle REGISTER with
expires=0 and generate a Notification on its own without any PUBLISH.


Please clarify.

Thanks,
Sharath Chandra


                
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