Getting Started
15
while on a call. Fix the microphone before a call and the better spacing between
microphones and participants should be 0.5m to 2m.
Minimize background noise from air conditioning units, fans or other equipment in
conference room. Keep the microphone far away from the noise source.
Do not speak at the same time; otherwise the microphones capture the voice of all the
speakers, causing people in the far site cannot hear clearly.
Do not move around in the conference room while on a call.
Connecting the Optional USB Flash Drive
You can connect a USB flash drive to record calls/conferences and play back recorded files.
To connect a USB flash drive:
1. Insert a USB flash drive into the USB port on the phone.
Connecting the Optional Expansion PSTN Box CPN10
You can connect optional expansion PSTN box CPN10 to make calls using the Public Switched
Telephone Network (PSTN).
To connect the expansion PSTN box:
1. Insert the USB plug on the expansion PSTN box into the USB port on the phone.
Note
If you need to record calls when using the PSTN box, you can also connect the USB flash drive to
the USB port on the PSTN box. Up to two expansion PSTN boxes can be connected to an IP
conference phone. For more information, refer to
Yealink PSTN Box CPN10 Quick Start Guide
.
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