Market research indicates that 70 percent of a typical company's phone traffic is internal.
People dressed differently, the air was quieter, phone traffic was down.
As phone traffic surged, the water was destroying a vast area, including underground phone lines.
People borrowed cell phones, but the heavy phone traffic made communicating hard if not impossible.
NTT controls more than 99 percent of local phone traffic.
One system will carry 60 percent of the Government's phone traffic, and the other the balance.
The company said that with this "directionalizing" of phone traffic it had allowed people in the area to call out.
Airlines and hotel reservation services reported that phone traffic was down between 65-90%!
Either the phone traffic was very heavy or the revolutionaries had already begun to interfere with the communications.
The company handles its phone traffic with 600,000 modems.