The "acronym" link navigates to the latest version of the specification, this link changes whenever a new version of the specification is published.
The "Version" link navigates to the specific version.

Name Acronym Version Status Publication Date
Total: 2
Online Upgrades ONUP™ 1.0 formal January 2008
Wireless Access and Terminal Mobility WATM™ 1.1 formal March 2004