@Override
    public Iterator<Element> getIdentities(String name, String node, JID senderJID) {
        List<Element> identities = new ArrayList<>();
        // Answer the identity of the proxy
        Element identity = DocumentHelper.createElement("identity");
        identity.addAttribute("category", "proxy");
        identity.addAttribute("name", "Media Proxy Service");
        identity.addAttribute("type", "rtpbridge");

        identities.add(identity);

        return identities.iterator();
    }
Returns the fully-qualifed domain name of this chat service.
The domain is composed by the service name and the
name of the XMPP server where the service is running.

@return the file transfer server domain (service name + host name).
xmppserver/src/main/java/org/jivesoftware/openfire/mediaproxy/MediaProxyService.java