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Extensible Messaging and Presence Protocol
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Application Layer — Messaging
Protocol Overview
Full Name
Extensible Messaging and Presence Protocol
Abbreviation
XMPP
OSI Layer
Application Layer
Category
Messaging
Default Port
5222, 5269
RFC
RFC 6120
About XMPP
XML-based open protocol for real-time messaging, presence, and contact lists. Foundation of Google Talk and Jabber. Extensible via XEPs for file transfer, video, and IoT applications.
Application Layer
Messaging
Port 5222, 5269
Standards Reference
XMPP is defined in RFC 6120, published by the Internet Engineering Task Force (IETF). RFCs are the official standards documents for internet protocols and are freely available for public review.