I know how to send but i don't know how to recive and delete it.
jid = Jabber::JID.new('user')
client = Jabber::Client.new(jid)
client.connect('54.187.67.96',5222)
client.auth('password')
client.send(Jabber::Presence.new.set_show(:chat).set_status('Rails!'))
# Send an Instant Message.
body = 'Hello from Rails'
to_jid = Jabber::JID.new('user')
message = Jabber::Message::new(to_jid, body).set_type(:normal).set_id('1')
client.send(message)