As a young lad I worked on the Kingdom of Saudi Arabia TEP4 contract in the early 80's, which included 18K of mobile 'lines'. Back in t'day backhaul from a non-metro RBS to the MTX was 4x4 wire analogue circuits unless the local town mayor managed to twist a microwave dish out of the MoPTT. It was a status symbol, 2MB PCM coax didn't cut it over a glass of Siddiqui. Everything was monitored remotely in Riyadh by an AOM 101 via 19.2K X.25 links. I blame t'interweb for today's consumers unrealistic speed expectations.