RFC 3939: Calling Line Identification for Voice Mail Messages

This document describes a method for identifying the originating calling party in the headers of a stored voice mail message. Two new header fields are…

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Outgoing relationships (8 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 2234: Augmented BNF for Syntax Specifications: ABNF
Normative reference — RFC 2047: MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
Normative reference — RFC 2822: Internet Message Format
Normative reference — RFC 3801: Voice Profile for Internet Mail - version 2 (VPIMv2)
Informative reference — RFC 3191: Minimal GSTN address format in Internet Mail
Informative reference — RFC 2076: Common Internet Message Headers
Informative reference — RFC 2806: URLs for Telephone Calls

Incoming relationships (2 related RFCs)

Normatively referenced by — RFC 4239: Internet Voice Messaging (IVM)
Informatively referenced by — RFC 4024: Voice Messaging Client Behaviour