To thoroughly understand routing, you need to understand routing tables. In this Daily Feature, Deb Shinder explains how routing tables are used, the information they contain, and how to view and ...
• 9.0 PSTN operator Most organizations have, and continue to use, a 9 to access an outside line. When a 9 is dialed, a secondary dial tone (stutter tone) is heard. Some legacy PBX (private branch ...
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