RFC 6913: Indicating Fax over IP Capability in the Session Initiation Protocol (SIP)

This document defines and registers with IANA the new "fax" media feature tag for use with the Session Initiation Protocol (SIP). Currently, fax calls are…

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Outgoing relationships (7 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 3840: Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)
Normative reference — RFC 3841: Caller Preferences for the Session Initiation Protocol (SIP)
Informative reference — RFC 3326: The Reason Header Field for the Session Initiation Protocol (SIP)
Informative reference — RFC 2506: Media Feature Tag Registration Procedure
Informative reference — RFC 4856: Media Type Registration of Payload Formats in the RTP Profile for Audio and Video Conferences