Put simply, they set a path from the calling number to the called number. Thanks to sophisticated software, the switches monitor themselves. If there is a problem, the system notifies NOC staff who test and repair it. A stable network allows the 12-person voice team to focus on more than just telephone calls. The voice team includes switch engineers, service activation personnel, and repair desk technicians.
Barrow notes that the voice team has created a very efficient environment.
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