[OpenSIPS-Devel] [ opensips-Feature Requests-3115782 ] presence: unique record update for PUBLISH w/o SIP-If-Match

[Juha Heinanen]

> Let's discus the MWI case.  If a PUBLISH is received by the presence
> server, a record is created and a 200ok with 'SIP-ETag' header is sent
> back. 
> If a new PUBLISH is received and the PUBLISH does not have a
> 'SIP-If-Match' header that will match the previous 'SIP-ETag' header,
> a new record will be created for the same subscription.  Instead of
> creating a new record, the existing record should be updated: the
> state of the voicemail box is unique per subscriber.

> This approach is not compliant with the rfc 3903, but it make sense to
> implement the above behavior for certain event types packages like
> mwi.

ovidiu,

my mwi application first checks if etag exists and depending on the
result, either uses existing one or "." in the new publish.

-- juha