9 Mar
2005
9 Mar
'05
7:04 p.m.
Presence support has two ways, peer to peer and presence agent.
In the p2p mode, SIP UAs exchange SUBSCRIBE/NOTIFY directly between each
other. Ser only forwards the sip packet. I got WM 5.0/5.1 working in this
mode. This mode heavily relies on UAs to support the feature. There are
still compatibility issues between UA implementations.
In the presence agent mode, SIP UAs register with ser which stores the state
of UAs. Whenever there is a state change, ser will notify the interested
UAs. Ser has a PA module which is supposed to work this way. However I
haven't been able to make it work. As a side note, xten wrote a big patch
for the PA module a while ago, but unfortunately not in cvs yet.
Xten has a product called 'eyebeam' which supports both modes. It is not
free. I would recommend waiting for a while before it becomes more stable.
It crashed Windows twice during our demo.
Richard
-----Original Message-----
From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On
Behalf Of Tan, Chiang Kang
Sent: Wednesday, March 09, 2005 6:30 AM
To: serusers(a)lists.iptel.org
Subject: [Serusers] SER presence support
Hi all,
What's the current status of presence support in SER? May I know
what are the clients, similar to windows messenger, that will interwork
with
SER? As I understand that windows messenger above version 5 does not work
with ser anymore.
cheers
Chiang
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