[SR-Users] Presence issues

[Wingsravi R]

Hi kamailio'ns

I am working on Kamailio V 4.0.3, installed from Ubuntu 12.04(precise)
repository.
My SIP clients(jitsi) are registering to kamailio sever successfully but
their presence is not sharing between the clients.
I am frequently logging following presence related errors in syslog while
trying to register SIP clients to kamailio server:

Oct 25 20:01:05 kamailio /usr/sbin/kamailio[15274]: INFO: pua_usrloc
[ul_publish.c:221]: ul_publish(): not marked for publish
Oct 25 20:01:05 kamailio /usr/sbin/kamailio[15273]: WARNING: presence
[publish.c:481]: handle_publish(): Missing or unsupported event header
field value
Oct 25 20:01:05 kamailio /usr/sbin/kamailio[15273]: ERROR: presence
[publish.c:484]: handle_publish():     event=[reg]


what could be the wrong ?
How can i reslove this issue ?

please find in the attachment is my kamailio config file. (suggest me if
any changes to be made to this configuration)

Any help will greatly appreciate.

Regards,
Ravi
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