The ENUM Dip Indicator Parameter for the "tel" URI
RFC 4759, “The ENUM Dip Indicator Parameter for the "tel" URI”, is a Proposed Standard document published in December 2006 by R. Stastny, R. Shockey, L. Conroy. The canonical text is published by the RFC Editor.
Abstract
This document defines a new parameter "enumdi" for the "tel" Uniform Resource Identifier (URI) to support the handling of ENUM queries in Voice over Internet Protocol (VoIP) network elements. A VoIP network element may receive a URI containing an E.164 number, where that URI contains an "enumdi" parameter. The presence of the "enumdi" parameter indicates that an ENUM query has already been performed on the E.164 number by a previous VoIP network element. Equally, if a VoIP network element sends such a URI, it asserts that an ENUM query has been carried out on this number. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 4759 is hosted at rfc-editor.org. Available in TXT,HTML.
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