Thanks a lot for your reply .
Regards,Sreejith
From: "a...@ag-projects.com" <a...@ag-projects.com>
To: Sreejith Sadaasivan <sreejith_sadasi...@yahoo.com>
Cc: "sip-implementors@lists.cs.columbia.edu"
<sip-implementors@lists.cs.columbia.edu>
Sent: Friday, 20 February 2015 9:21 PM
Subject: Re: [Sip-implementors] query on presence
On 20 Feb 2015, at 09:50, Sreejith Sadaasivan <sreejith_sadasi...@yahoo.com>
wrote:
Hi All,
I have a doubt on presence subscription of a buddy.
1) whether it is always mandatory to subscribe to a buddy with "SUBSCRIBE"
message to retrieve the presence of a buddy?
Yes
2) is there anyway we can directly retrieve the presence of a buddy without
subscribing ( without sending SUBSCRIBE message )
Not by using SIP protocol. NOTIFY messages containing presence payload are sent
as a result of a previous SUBSCRIBE.
I am afraid that if I try to get a presence of a buddy by SUBSCRIBE message
then later I need to send an UNSUBSCRIBE to the buddy. if there is anyway to
directly retrieve the presence of a buddy then we can avoid the UNSUBSCRIBE
part.
There is no standard way of doing such thing. What you ask can be done if your
client can somehow query the data stored by your server by other means than
SIP. But this has nothing to do with the SIP protocol.
please help me with your suggestion.
Thanks & Regards,Sreejith
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Adrian
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