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Expansion PSTN Box CPN10 Quick Start Guide PSTN box CPN10 is used to connect CP860/CP920 conference phones or video conferencing systems to the PSTN (Public Switched Telephone Network). It is a cost-effective solution for PSTN office. Up to 2 cascaded PSTN Boxes can be installed to...
Hardware Component Instructions USB Plug PSTN Port USB Port Installing the Expansion PSTN Box PSTN Port Optional USB device USB port on your phone Note: USB flash drive should be purchased separately. Installing two PSTN boxes for three-way local conference, as shown below: USB port on your phone You can fix the two cascaded PSTN boxes by the double-side tape.
Configuring the PSTN Account When PSTN box is connected successfully, your screen prompts you go to the PSTN account screen. Configuring the PSTN account: 1. Press OK key to enter the PSTN account screen. 2. Select the desired PSTN account. 3.
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Viewing the PSTN Account Status If you are using CP860/CP920 conference phone, do one of the following: Press OK key when the phone is idle, and then press More->Accounts. Navigate to Menu->Status->More->Accounts. If you are using video conferencing system, do the following: 1.
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