When user connects to server, and if already
registered in msn gateway, then gateway receive
presence packet from messenger with type=probe, like
<presence type=“probe” from="email@example.com"
I don’'t see it in JEP-0100, but I see probe packets
ts for users in rfc3921. Is it right - to send probe
packets to gateway ?
If firstname.lastname@example.org has msn.myserver.org in his roster then when alex sends an initial presence (i.e. becomes available) the server will send probe presences to alex’'s contacts. Probe presences will actually be sent to foreign users and not to local users. Since the gateway is not being considered a local user, the gateway is receiving a probe presence.
If yes, what packets should I send as answer ?
Sending probe presences means that the receiver is being asked for his last presence. Since the gateway is available you should reply with an available presence.
BTW, I created JM-174 for the problem where probe presences are not being sent from full JIDs.