PQM Consultants - Telecommunication Standards, Corporate Networks, QSIG and SIP

Telecommunication Standards & Corporate Networks

The World's leading independent consultancy for the QSIG / PSS1 and other corporate network signalling systems

Welcome to our homepage. We hope our site will help you to find out a little more about Telecommunication Standards for Corporate Networks. Our work in telecommunications systems engineering involves the use of modern and powerful specification languages such as SDL and UML. If these are of interest to you, turn to our Design Specification Methods page.

If you would like to know about the services we provide click on " What We Do " either here or at the bottom of any page.

What's New? Read on ...

The first of our new range of briefing notes, "SIP Analysis", looking at the emerging standards for SIP-based telephony in Corporate Networks. You can receive it via email just by giving us a few details about yourself.
Reprints of articles from ETSI's "Userlink" publication on "Descriptive SDL" and "the use of UML in Standards". These articles have been written by Steve Randall, a Partner of PQM Consultants and Vice-Chairman of ETSI Technical Committee "MTS" (Methods for Testing and Specification].

Of course, we still have all our usual pages on

Corporate Networks in general
QSIG in general and Frequently Asked Questions (FAQ) about QSIG
interoperability testing
the emerging Standard for the use of QSIG / PSS1 in Air Traffic Services applications, the so called "ATS-QSIG"
items of news about QSIG. We update this every now and again so please re-visit.

If you have any problems reading these webpages we would like to hear about it, so please email us .

What We Do | Corporate Networks | Publications | Contact Us

PQM Consultants shall not be liable by reason of any representation, or any implied warranty, condition or other term, or any duty at common law, for any consequential loss or damage (whether for loss of profit or otherwise), costs, expenses or other claims for consequential compensation whatsoever (and whether caused by the negligence of the Firm, its employees or agents or otherwise) that arise out of or in connection with the information contained within these World Wide Web pages, or its use by any person or machine.