| Namespace | Documentation |
|---|
| http://jabber.org/protocol/activity | XEP-0108: User Activity |
| http://jabber.org/protocol/address | XEP-0033: Extended Stanza Addressing |
| http://jabber.org/protocol/amp | XEP-0079: Advanced Message Processing |
| http://jabber.org/protocol/amp#errors | XEP-0079: Advanced Message Processing |
| http://jabber.org/protocol/bytestreams | XEP-0065: SOCKS5 Bytestreams |
| http://jabber.org/protocol/caps | XEP-0115: Entity Capabilities |
| http://jabber.org/protocol/chatstates | XEP-0085: Chat State Notifications |
| http://jabber.org/protocol/commands | XEP-0050: Ad-Hoc Commands |
| http://jabber.org/protocol/compress | XEP-0138: Stream Compression |
| http://jabber.org/protocol/disco#info | XEP-0030: Service Discovery |
| http://jabber.org/protocol/disco#items | XEP-0030: Service Discovery |
| http://jabber.org/protocol/feature-neg | XEP-0020: Feature Negotiation |
| http://jabber.org/protocol/geoloc | XEP-0080: User Geolocation |
| http://jabber.org/protocol/http-auth | XEP-0070: Verifying HTTP Requests via XMPP |
| http://jabber.org/protocol/httpbind | XEP-0124: Bidirectional-streams Over Synchronous HTTP |
| http://jabber.org/protocol/ibb | XEP-0047: In-Band Bytestreams |
| http://jabber.org/protocol/mood | XEP-0107: User Mood |
| http://jabber.org/protocol/muc | XEP-0045: Multi-User Chat |
| http://jabber.org/protocol/muc#admin | XEP-0045: Multi-User Chat |
| http://jabber.org/protocol/muc#owner | XEP-0045: Multi-User Chat |
| http://jabber.org/protocol/muc#user | XEP-0045: Multi-User Chat |
| http://jabber.org/protocol/nick | XEP-0172: User Nickname |
| http://jabber.org/protocol/offline | XEP-0013: Flexible Offline Message Retrieval |
| http://jabber.org/protocol/physloc | XEP-0112: User Physical Location |
| http://jabber.org/protocol/pubsub | XEP-0060: Publish-Subscribe |
| http://jabber.org/protocol/pubsub#errors | XEP-0060: Publish-Subscribe |
| http://jabber.org/protocol/pubsub#event | XEP-0060: Publish-Subscribe |
| http://jabber.org/protocol/pubsub#owner | XEP-0060: Publish-Subscribe |
| http://jabber.org/protocol/rc | XEP-0146: Remote Controllling Clients |
| http://jabber.org/protocol/rosterx | XEP-0144: Roster Item Exchange |
| http://jabber.org/protocol/sipub | XEP-0137: Publishing SI Requests |
| http://jabber.org/protocol/soap | XEP-0072: SOAP Over XMPP |
| http://jabber.org/protocol/soap#fault | XEP-0072: SOAP Over XMPP |
| http://jabber.org/protocol/waitinglist | XEP-0130: Waiting Lists |
| http://jabber.org/protocol/xhtml-im | XEP-0071: XHTML-IM |
| http://jabber.org/protocol/xdata-layout | XEP-0141: Data Forms Layout |
| http://jabber.org/protocol/xdata-validate | XEP-0122: Data Forms Validation |
| jabber:client | RFC 6121: XMPP IM |
| jabber:component:accept | XEP-0114: Existing Component Protocol |
| jabber:component:connect | XEP-0114: Existing Component Protocol |
| jabber:iq:auth | XEP-0078: Non-SASL Authentication |
| jabber:iq:gateway | XEP-0100: Gateway Interaction |
| jabber:iq:last | XEP-0012: Last Activity |
| jabber:iq:oob | XEP-0066: Out of Band Data |
| jabber:iq:privacy | RFC 6121: XMPP IM |
| jabber:iq:private | XEP-0049: Private XML Storage |
| jabber:iq:register | XEP-0077: In-Band Registration |
| jabber:iq:roster | RFC 6121: XMPP IM |
| jabber:iq:rpc | XEP-0009: Jabber-RPC |
| jabber:iq:search | XEP-0055: Jabber Search |
| jabber:iq:version | XEP-0092: Software Version |
| jabber:server | RFC 6121: XMPP IM |
| jabber:server:dialback | XEP-0220: Server Dialback |
| jabber:x:conference | XEP-0249: Direct MUC Invitations |
| jabber:x:data | XEP-0004: Data Forms |
| jabber:x:encrypted | XEP-0027: Current OpenPGP Usage |
| jabber:x:oob | XEP-0066: Out of Band Data |
| jabber:x:signed | XEP-0027: Current OpenPGP Usage |
| roster:delimiter | XEP-0083: Nested Roster Groups |
| urn:ietf:params:xml:ns:xmpp-bind | RFC 6120: XMPP Core |
| urn:ietf:params:xml:ns:xmpp-e2e | RFC 3923: XMPP E2E |
| urn:ietf:params:xml:ns:xmpp-sasl | RFC 6120: XMPP Core |
| urn:ietf:params:xml:ns:xmpp-session | RFC 6121: XMPP IM |
| urn:ietf:params:xml:ns:xmpp-stanzas | RFC 6120: XMPP Core |
| urn:ietf:params:xml:ns:xmpp-streams | RFC 6120: XMPP Core |
| urn:ietf:params:xml:ns:xmpp-tls | RFC 6120: XMPP Core |
| urn:xmpp:archive | XEP-0136: Message Archiving |
| urn:xmpp:attention:0 | XEP-0224: Attention |
| urn:xmpp:avatar:data | XEP-0084: User Avatars |
| urn:xmpp:avatar:metadata | XEP-0084: User Avatars |
| urn:xmpp:bidi | XEP-0288: Bidirectional Server-to-Server Connections |
| urn:xmpp:bob | XEP-0231: Bits of Binary |
| urn:xmpp:captcha | XEP-0158: CAPTCHA Forms |
| urn:xmpp:delay | XEP-0203: Delayed Delivery |
| urn:xmpp:errors | XEP-0182: Application-Specific Error Conditions |
| urn:xmpp:forward:0 | XEP-0297: Stanza Forwarding |
| urn:xmpp:jingle:1 | XEP-0166: Jingle |
| urn:xmpp:jingle:errors:1 | XEP-0166: Jingle |
| urn:xmpp:jingle:apps:dtls:0 | XEP-0320: Use of DTLS-SRTP in Jingle Sessions |
| urn:xmpp:jingle:apps:rtp:1 | XEP-0167: Jingle RTP Sessions |
| urn:xmpp:jingle:apps:rtp:errors:1 | XEP-0167: Jingle RTP Sessions |
| urn:xmpp:jingle:apps:rtp:info:1 | XEP-0167: Jingle RTP Sessions |
| urn:xmpp:jingle:apps:rtp:rtcp-fb:0 | XEP-0293: Jingle RTP Feedback Negotiation |
| urn:xmpp:jingle:apps:rtp:rtp-hdrext:0 | XEP-0294: Jingle RTP Header Extensions Negotiation |
| urn:xmpp:jingle:apps:rtp:zrtp:1 | XEP-0262: Use of ZRTP in Jingle RTP Sessions |
| urn:xmpp:jingle:transports:ibb:1 | XEP-0261: Jingle In-Band Bytestreams Transport Method |
| urn:xmpp:jingle:transports:ice-udp:1 | XEP-0176: Jingle ICE-UDP Transport Method |
| urn:xmpp:jingle:transports:raw-udp:1 | XEP-0176: Jingle ICE-UDP Transport Method |
| urn:xmpp:jingle:transports:s5b:1 | XEP-0260: Jingle SOCKS5 Bytestreams Transport Method |
| urn:xmpp:langtrans | XEP-0171: Language Translation |
| urn:xmpp:langtrans:items | XEP-0171: Language Translation |
| urn:xmpp:media-element | XEP-0221: Data Forms Media Element |
| urn:xmpp:message-correct:0 | XEP-0308: Last Message Correction |
| urn:xmpp:pie | XEP-0227: Portable Import/Export Format for XMPP-IM Servers |
| urn:xmpp:ping | XEP-0199: XMPP Ping |
| urn:xmpp:reach:0 | XEP-0152: Reachability Addresses |
| urn:xmpp:receipts | XEP-0184: Message Receipts |
| urn:xmpp:rtt:0 | XEP-0301: In-Band Real Time Text |
| urn:xmpp:sec-label:0 | XEP-0258: Security Labels in XMPP |
| urn:xmpp:sec-label:catalog:2 | XEP-0258: Security Labels in XMPP |
| urn:xmpp:sec-label:ess:0 | XEP-0258: Security Labels in XMPP |
| urn:xmpp:sm:3 | XEP-0198: Stream Management |
| urn:xmpp:ssn | XEP-0155: Stanza Session Negotiation |
| urn:xmpp:time | XEP-0202: Entity Time |
| urn:xmpp:xbosh | XEP-0206: XMPP Over BOSH |
| vcard-temp | XEP-0054: vcard-temp |
| vcard-temp:x:update | XEP-0153: vCard-Based Avatars |