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Account. Quick Start Guide The LCD screen displays the connected PSTN account status: Default Account PSTN box CPN10 is used to connect CP860 conference phones to the PSTN (Public Switched Registered Telephone Network). It is a cost-effective solution Unregistered for PSTN office. Up to 2 cascaded PSTN Boxes can...
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When one PSTN box is connected successfully, the The following figure shows the primary hardware LCD screen prompts “Connect PSTN1 Go to Setting?”. components of CPN10: When the second PSTN box CPN10 is connected successfully, the LCD screen prompts “Connect USB Plug PSTN2 Go to Setting?”.