RFC 4117 · INFORMATIONAL · 2005

Transcoding Services Invocation in the Session Initiation Protocol Using Third Party Call Control

Overview

RFC 4117, “Transcoding Services Invocation in the Session Initiation Protocol Using Third Party Call Control”, is an Informational document published in June 2005 by G. Camarillo, E. Burger, H. Schulzrinne, A. van Wijk. The canonical text is published by the RFC Editor.

Abstract

This document describes how to invoke transcoding services using Session Initiation Protocol (SIP) and third party call control. This way of invocation meets the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing and speech-impaired individuals. This memo provides information for the Internet community.

Abstract as published in the RFC, via rfc-editor.org.

What “Informational” means

Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.

Read this RFC

The canonical text of RFC 4117 is hosted at rfc-editor.org. Available in TXT,HTML.

Other RFCs from 2005

Who Is Online

In total there are 236 users online: 0 registered, 231 guests and 5 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Googlebot Other Bot SemrushBot

Users active in the past 15 minutes. Total registered members: 354