Browse Prior Art Database

Voice Profile for Internet Mail (RFC1911)

IP.com Disclosure Number: IPCOM000004155D
Original Publication Date: 1996-Feb-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 28 page(s) / 47K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Vaudreuil: AUTHOR

Abstract

A class of special-purpose computers has evolved to provide voice messaging services. These machines generally interface to a telephone switch and provide call answering and voice messaging services. Traditionally, messages sent to a non-local machine are transported using analog networking protocols based on DTMF signaling and analog voice playback. As the demand for networking increases, there is a need for a standard high-quality digital protocol to connect these machines. The following document is a profile of the Internet standard MIME and ESMTP protocols for use as a digital voice networking protocol.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 6% of the total text.

Network Working Group G. Vaudreuil

Request for Comments: 1911 Octel Network Services

Category: Experimental February 1996

Voice Profile for Internet Mail

Status of this Memo

This memo defines an Experimental Protocol for the Internet

community. This memo does not specify an Internet standard of any

kind. Discussion and suggestions for improvement are requested.

Distribution of this memo is unlimited.

1. Abstract

A class of special-purpose computers has evolved to provide voice

messaging services. These machines generally interface to a

telephone switch and provide call answering and voice messaging

services. Traditionally, messages sent to a non-local machine are

transported using analog networking protocols based on DTMF signaling

and analog voice playback. As the demand for networking increases,

there is a need for a standard high-quality digital protocol to

connect these machines. The following document is a profile of the

Internet standard MIME and ESMTP protocols for use as a digital voice

networking protocol.

This profile is based on an earlier effort in the Audio Message

Interchange Specification (AMIS) group to define a voice messaging

protocol based on X.400 technology. This protocol is intended to

satisfy the user requirements statement from that earlier work with

the industry standard ESMTP/MIME mail protocol infrastructures

already used within corporate internets. This profile will be called

the voice profile in this document.

2. Scope and Design Goals

MIME is the Internet multipurpose, multimedia messaging standard.

This document explicitly recognizes its capabilities and provides a

mechanism for the exchange of various messaging technologies

including voice and facsimile.

This document specifies a profile of the TCP/IP multimedia messaging

protocols for use by special-purpose voice processing platforms.

These platforms have historically been special-purpose computers and

often do not have facilities normally associated with a traditional

Internet Email-capable computer. This profile is intended to specify

the minimum common set of features and functionally for conformant

systems.

The voice profile does not place limits on the use of additional

media types or protocol options. However, systems which are

conformant to this profile should not send messages with features

beyond this profile unless explicit per-destination configuration of

these enhanced features is provided. Such configuration information

could be stored in a directory, though the implementation of this is

a local matter.

The following are typical limitations of voice messaging platform

which were considered in creating this baseline profile.

1) Text messages are not normally received and often cannot be

displayed or viewed. They can often be processed only v...