10 forgotten wonders of 1980s homes

Chuck Guzis cclist at sydex.com
Wed Dec 30 00:34:30 CST 2015

On 12/29/2015 09:30 PM, Christian Gauger-Cosgrove wrote:

> Those pulses depend on what kind of crossbar you were homing on, and
> where you were calling.

I'm not entirely sure, but I think the local stuff was type 4XB.  At any 
rate, I could punch in a DTMF number and listen for the dialing sequence 
to be complete before the first ring could be heard.

Then there was the matter the GTE-AT&T interconnect...


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