Hi Mihai,

This behavior happens because the SIP phone that you use seems to have a
broken SIP presence implementation.

When publishing the second or latter time, it should put in the Publish
request the E-Tag received from the opensips presence server in the 200OK
for the previous Publish. This way the server known that the Publish
updates an existing state.

I suppose that your client does not put the E-Tag, so the opensips presence
server thinks it is a Publish from another device registered with the same
account. And in this case it concatenates the states as you have seen.

RFC 3903 explains this mechanism.

Regards,
Anca Vamanu
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