The hardware support was 2B+D but you could definitely just use a single B. 56k vs 64k depended on where you where is the world and which style of ISDN the telco offered.
-- Mark Andrews > On 27 Jan 2020, at 22:32, Bryan Holloway <br...@shout.net> wrote: > > I didn't think one could get a single 'B' channel over ISDN ... but I could > be mistaken. > > In my early ISP days, ISDN was 2 x 64k (full-rate) 'B' channels and a 16k 'D' > channel for signaling. > > >> On 1/26/20 5:58 AM, Joly MacFie wrote: >> IIRC that 64k was in fact 56k with 8k for overhead. >> I had one, and it would kick in a second channel if you pushed it, for a >> whopping 112k. Metered, came out to about $500/mo. >> Joly >> On Fri, Jan 24, 2020 at 6:26 PM Ben Cannon <b...@6by7.net >> <mailto:b...@6by7.net>> wrote: >> I started what became 6x7 with a 64k ISDN line. And 9600 baud modems… >> in ’93 or so. (I was a child, in Jr High…) >> -Ben. >> -Ben Cannon >> CEO 6x7 Networks & 6x7 Telecom, LLC >> b...@6by7.net <mailto:b...@6by7.net> >>> On Jan 24, 2020, at 3:21 PM, b...@theworld.com >>> <mailto:b...@theworld.com> wrote: >>> >>> >>> On January 24, 2020 at 08:55 aar...@gvtc.com >>> <mailto:aar...@gvtc.com> (Aaron Gould) wrote: >>>> Thanks Jared, When I reminisce with my boss he reminds me that >>>> this telco/ISP here initially started with a 56kbps internet >>>> uplink , lol >>> >>> Point of History: >>> >>> When we, The World, first began allowing the general public onto the >>> internet in October 1989 we actually had a (mildly shared*) T1 >>> (1.544mbps) UUNET link. So not so bad for the time. Dial-up customers >>> shared a handful of 2400bps modems, we still have them. >>> >>> * It was also fanned out of our office to a handful of Boston-area >>> customers who had 56kbps or 9600bps leased lines, not many. >>> >>> -- -Barry Shein >>> >>> Software Tool & Die | b...@theworld.com >>> <mailto:b...@theworld.com> | http://www.TheWorld.com >>> <http://www.theworld.com> >>> Purveyors to the Trade | Voice: +1 617-STD-WRLD | 800-THE-WRLD >>> The World: Since 1989 | A Public Information Utility | *oo* >> -- >> --------------------------------------------------------------- >> Joly MacFie 218 565 9365 Skype:punkcast >> -------------------------------------------------------------- >> -