With digital-quality voice made possible by ISDN, offering two separate lines and continuous data connectivity, there was an initial global expectation of high customer demand for such systems in both the home and office environments. This expectation was met with varying degrees of success across different regions.
With digital-quality voice made possible by ISDN, offering two separate lines and continuous data connectivity there was an initial global expectation of high customer demand for such systems in both the home and office environments This expectation was met with varying degrees of success across different regions