Hello, I hope this is the right forum to ask this kind of question. So far I have never been interested in chatting or chat protocols. I have a Gmail account and I seldom use Gmail chat (or Google Chat or Gtalk).
A distant relative, who is IT illiterate and has only a Facebook account, has asked me if she can chat with me on Google Chat using her Facebook chat.
Of course it would be easier if either I had a facebook account or she got a Gmail one.
I have been searching on the web and it looks like both chats use the Jabber (XMPP) protocol. So we both have a Jabber ID, mine would be something like firstname.lastname@example.org
and her would be email@example.com
Then I see that many developers exchange their Jabber ID.
I use a program called Xabber on my Android tablet.
My question is: how do these Jabber IDs cooperate with each other? Can I just add a Jabber ID contact to my client and start chatting.
Do I have to use a third party server?
Can I give my Gtalk ID away and expect anybody on Jabber to able to communicate with me?
And what about Facebook IDs?