Coccinella can connect to any Jabber/XMPP instant messaging server. You can either use a public server, or you can deploy your own server. In the latter case, you can opt to federate your server with the public Jabber/XMPP network.
原Asterisk的programmer另外寫的一個IPPBX，支援更多，googletalk，甚至最流行的P2P Mode喔 doc http://www.freeswitch.org/docs/
Zfone uses a new protocol called ZRTP, which is better than the other approaches to secure VoIP, because it achieves security without reliance on a PKI, key certification, trust models, certificate authorities, or key management complexity that bedevils the email encryption world.
