Quick Start GuideExpansion PSTN Box CPN10PSTN box CPN10 is used to connect CP860conference phones to the PSTN (Public SwitchedTelephone Network). It is a cost-effective solutionfor PSTN office. Up to 2 cascaded PSTN Boxes canbe installed to an IP conference phone, which allowsyou to experience the local three-way conferenceconveniently in excellent speech quality with PSTN.You can also record the calls with a USB flash drivewhen using the PSTN box.Packaging ContentsQuick Start GuideDouble-sideTape3m PSTNCablePSTN BoxCPN101

Yealink Expansion PSTN Box CPN10 Quick Start Manual