If you're defining the 'channel' as 'local copper pair', then, sure? But the other end of the local copper pair switched and became digital, which changes the

If you're defining the 'channel' as 'local copper pair', then, sure? But the other end of the local copper pair switched and became digital, which changes the channel in my eyes at least. There was then a series of bandwidth increases in the digital realm, giving significantly more efficient and effective use of the channel.