andrewgroup Posted June 3, 2008 Report Share Posted June 3, 2008 With any PBX that interfaces with Analog PSTN pots lines there will come a day when you need to diagnose and troubleshoot problems. There is an old saying that says, "He who has the numbers, Wins" and being able to provide telecom providers with facts and figures about their lines will go a long way to satisfying customers. A great source for PSTN - ANALOG line tools is http://www.sandman.com/ Quote Link to comment Share on other sites More sharing options...
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