ObsoletedEXPERIMENTALLegacy stream

RFC 1911: Voice Profile for Internet Mail

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 2421, RFC 2422, RFC 2423.

Current document in this lineage: RFC 3801 — Voice Profile for Internet Mail - version 2 (VPIMv2); RFC 3802 — Toll Quality Voice - 32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) MIME Sub-type Registration

In plain English — editorial summary, not part of the RFC

The following document is a profile of the Internet standard MIME and ESMTP protocols for use as a digital voice networking protocol. This memo defines an Experimental Protocol for the Internet community.

Document record

Document ID: RFC1911
Published: February 1996
Authors: G. Vaudreuil
Status: EXPERIMENTAL
Stream: Legacy
Area: —
Pages: 22
Also known as: —

Obsoleted by:: RFC 2421, RFC 2422, RFC 2423

Topics

Standards lineage

This document is one revision in a chain of 6 RFCs, each formally replacing the one before it.

Read the full history of Toll Quality Voice - 32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) MIME Sub-type Registration →

Referenced by

3 later RFCs formally update or obsolete part of this document.

Also filed under

About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on 23 August 2026. RFCs are never revised after publication; changes are issued as new documents.

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