goldstein@delni.DEC.COM (Fred R. Goldstein dtn226-7388) (09/28/87)
Telecom V7I34 carried a message off Telenet by Towson, forwarded by Gilmore, which quoted "Bell insiders" to the extent that they were developing a "separate data network". Thus, reasoned Towson, you would need two phones if you wanted to run voice and data to your house. Hogwash. This is a terribly distorted allusion to the current ISDN Numbering Forum which is part of the ISDN standardization program. ISDN, for the uninitiated, is a telco program which seeks to evolve the public switched network to an all-digital model. The resultant network would provide 64kbps circuit switching and voice (digitized at 64kbps) for about the same price, over the same lines, and throw in access to X.25 as well. Fine. ISDN numbers will, in the US, take the same format as telephone numbers, so the distinction will be transparent. Fine; you can upgrade your analogue line to ISDN and callers won't be the wiser. BUT what if you're Telenet or MCI or AT&T and want to allow customers to hook up to you, directly or via private lines, and thus bypass the local telephone company at the "terminating" end of the call? So they set up an ISDN Numbering Forum, under the Exchange Carriers Standards Association, to try to iron it out. One faction said that "non-LECs" (not local exchange carriers, i.e. AT&T) should be given NXX codes in every area code. My number is 617-486-7388, but if we signed up for a bypass net, it might be 617-982-7388 or some such. The _other_ view is that non-LECs should have separate area codes; ie, if you are on an ISDN that does not come from the telco, you can be reached by the telco by dialing area code 300-foo, for example. The different prefix codes in those area codes would be given to the carriers to play with. A proposed compromise was to let some carriers use NXX codes and some use special NPAs. Nobody was happy. Come 1996 this should be moot because there'll be lots of new area codes to go around; 1+ dialing will be mandatory and there'll be an area code 260 someplace, an area code 460, etc. (interchangeable). It's the transition, when there are few area codes left, that leaves them hanging. Do we risk exhausting prefix codes in existing areas by giving them to random carriers, or do we risk using up area codes per se by giving _them_ out? None of this will cause you to need two lines. ISDN will make it possible to have 2 or MORE calls at once (packet can share a channel with many virtual calls) on one line, through your local CO. When it arrives. Real Soon Now. fred (ISDN Standards: ANSI T1D1 member, DEC)
henry@utzoo.UUCP (10/01/87)
> ... [ISDN] ... The resultant network would provide > 64kbps circuit switching and voice (digitized at 64kbps) for about the > same price, over the same lines, and throw in access to X.25 as well. I feel compelled to inject a cynical comment here. Anyone who thinks that ISDN will be as cheap as analog voice service any time before the year 2100 is dreaming. Until such time as ISDN becomes the default for POTS (Plain Old Telephone Service), the phone companies will have enormous incentive to charge all the traffic will bear, to help keep the POTS price down. Henry Spencer @ U of Toronto Zoology {allegra,ihnp4,decvax,pyramid}!utzoo!henry