Re:Open Sourcers Race to Build Better Versions of Slack
by viraptor on Wednesday March 16, 2016 @08:28PM
(#11301784)
SIP is not am IM protocol. There's one crammed on top of it https://en.wikipedia.org/wiki/SIMPLE_%28instant_messaging_pr... but SIP is just a framing for it.
https://en.wikipedia.org/wiki/Internet_Relay_Chat
https://en.wikipedia.org/wiki/XMPP
https://en.wikipedia.org/wiki/Session_Initiation_Protocol