XEP-0100: Gateway Interaction. NOTICE: This Informational specification defines a best practice or protocol profile that has been approved by the XMPP Council and/or the XSF Board of Directors. Implementations are encouraged and the best practice or protocol profile is appropriate for deployment in production systems. Table of Contents 1. Introduction One distinguishing characteristic of Jabber technologies from their earliest days has been the existence of gateways (also called "transports") between the Jabber network and legacy instant messaging services such as AOL Instant Messenger (AIM), ICQ, Windows Live Messenger, and Yahoo! Do flatlanders dream of n-dimensional shapes? TrueTalk Dev. Xmpp4moz - XMPP for Mozilla - Trac.