Subj : Macintosh echo
To   : Kurt Weiske
From : mark lewis
Date : Mon Mar 06 2017 16:27:38


 On 2017 Mar 06 10:11:22, you wrote to me:

 ML>> "bit robbing" is/was used so the telco can carry more and a lower
 ML>> quality rate... in many cases, they swiped a bit from each
 ML>> connection... instead of 8 bits, you only got 7... 7 of those stolen
 ML>> bits made another connection that could be carried... they did
 ML>> similar with ISDN, too...

 KW> With ISDN in the US it was done to use inband SF signalling, which
 KW> didn't make a lot of sense since you had a whole D channel for call
 KW> setup/teardown.

exactly... did you know that that D channel is still in very widespread use 
today, too? effectively it is what your cell phone uses to let the telco know 
it is online and ready to accept inbound calls... it is where the SMS stuff 
travels, too... this is why i hate the way that texts are charged for... 
corporate greed strikes again in many ways!

)\/(ark

Always Mount a Scratch Monkey
Do you manage your own servers? If you are not running an IDS/IPS yer doin' it 
wrong...
.... I have flabby thighs, but fortunately my stomach covers them.
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