【文件属性】：
文件名称：即时通讯协议：xmpp
文件大小：331KB
文件格式：PDF
更新时间：2020-05-26 10:49:59
xmpp 即时通讯
This document defines extensions to core features of the Extensible
Messaging and Presence Protocol (XMPP) that provide basic instant
messaging (IM) and presence functionality in conformance with the
requirements in RFC 2779. This document obsoletes RFC 3921.