Presence service

Presence service is a network service which accepts, stores and distributes presence information.

Presence service may be implemented as a single server or have an internal structure involving multiple servers and proxies. There may be complex patterns of redirection and proxying while retaining logical connectivity to a single presence service. Also presence service may be implemented as direct communication among presentity and watchers, i.e. server is not required.

Functional entities to support presence service

Presence server

The Presence Server, that reside in the presentity's home network, is able to receive and manage presence information. It is a SIP Application Server and is located using SIP URLs.

gollark: Consider making it public.
gollark: (wireless, anyway)
gollark: Also infinite message loops.
gollark: Also also, if you make a public feed, it should use the protocol on 31415 <@!378840449152188419>'s uses to avoid confusion.
gollark: You know, if we get enough full spectrum modem monitors, we can just trilaterate on every channel from public data!

See also

References


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