Guidelines for the Administration of Telephone Numbers
Document status: Active
Guidelines for the Administration of Telephone Numbers
Document status: Active
Guidelines for the Administration of Telephone Numbers
Document status: Active
Guidelines for the Administration of Telephone Numbers
Document status: Active
Recommended Plan for Expanding the Capacity of the North American numbering Plan
Document status: Active
North American Numbering Plan (NANP) Expansion Reference Document
Document status: Active
![/ATIS 0300074.2009 [pre-pub].html](http://images.techstreet.com/coverart/defaults/1627407/std.jpg)
Guidelines and Requirements for Security Management Systems
Document status: Active
Guidelines and Requirements for Security Management Systems
Document status: Active
Usage Data Management for Packet-Based Services - Service-Neutral Protocol Specification for Billing Applications
Document status: [ Withdrawn ]
