Victor, You are right about the T1 Telmex issue. About 4 years ago I saw the complete
document and it was a Telmex requirement. At the moment I'm not sure where that document is. As far as I know the use of T1 overlay is a private issue and is not covered by any norms. Current installations are limited and are not being encouraged. Regards Rae "Victor L. Boersma" wrote: > Thanks Ray, that confirms that the new standards indeed cover this, so > there is no ambiguity > on that score. Don't know what happened to the T1 overlay they were > working on. That may > not be covered by the new NOMs, yet may be a requirement when bidding on > private contracts. > I do know of a number of PBX installations in Mexico City that are > T1/mu-law (or were in any case). > > By the way, I thought I saw a NAFTA/WTO announcement in the last two weeks > that approved the > provisional NOM 150 and 151. In Canada, the SCC is the recipient for such > information, in the USA it is NIST. That is why I suggested that Mike > contact NIST. > > Can help with a translation of the new NOM-019, don't have one for 150 and > 151. > > Ciao, > > Vic
