YEALINK YLK-AC-CPN10 The CPN10 PSTN box is used to connect CP860 conference phones to the PSTN (public switched telephone network).

Used in combination with the Yealink CP860/CP920 IP conference phone, the CPN10, as a new product designed by Yealink, is a PSTN box to meet the needs of certain countries and areas that still use the public switched network telephone (PSTN). With this CPN10 PSTN box, our Yealink CP860/CP920 can support conference calling based on SIP and PSTN protocols. With a PSTN cable in your meeting room, you can easily connect the CPN10 PSTN box with the Yealink professional CP860/CP920 conference phone and start the local three-way conference. Meanwhile, in addition to the CP860/CP920's HD audio quality, array of 3 integrated microphones, full-duplex technology, acoustic echo cancellation technology and rich call management functionality, such as recording USB calls, connecting to mobile phones or PCs, you can comfortably enjoy you can easily make conference calls with excellent voice quality in your meeting room.