How to find out, whether the interlocutor "has blocked" me or actually is in offline? (Google)

[Daniel Atallah]

2009/1/27 Марков Владимир <markoff69 at gmail.com>:
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>
> However about 2 hours ago I find a way for check a status definition
> "blocked/offline".
> Unfortunately, not by means of Pidgin.
> At once I will make a say that is tested only for Google IM.
> Whether it will work for other services IM (ICQ, AIM), I do not know.
> So...
> PSI, one of numerous clients IM (and one of the best like a Pidgin), allows
> to make it.
> If the investigated user is really offline, at attempt to refresh it vCard
> simply will occur nothing.
> However if this user has blocked you, at attempt to refresh vCard there will
> be a message
> "
> It is impossible to receive the information on this contact.
> The reason: Service unavailable.
> The server or recipient does not currently provide the requested service
> "

If this is true (and I don't necessarily think it is), then it is a
bug in the gtalk server.  It should not be possible to distinguish the
two scenarios.

-D