Comments
Uploads information to a Server. Also Allows a third party to ask a SIP Proxy (or some other agent) to notify it when a particular status of a user agent changes (such as INVITE started, or Release is completed, etc.)
Posted by george99
A new SIP method, the advance PUBLISH method,where the state agent could not be expected to know in advance all the potential watchers for this state and where the set of watchers changes over time.
Posted by sagitraz