Yealink CP920 User Guide
6
Disconnecting the Wireless Network Connection
71
Deactivating the Wi-Fi Mode
72
Using Your Phone with PSTN Account
73
Connecting the Expansion PSTN Box CPN10
73
Configuring the PSTN Account
73
Selecting the Country for PSTN Use
74
Configuring Flash Time
74
Basic Call Features
74
Conference
75
Recording Using a USB Flash Drive
75
Unavailable Features for PSTN
75
Maintaining Your Phone
77
Warnings
77
Investigating Warnings
77
Re-provisioning Your Phone
77
Clearing Warnings
78
Diagnosing the Network
78
Rebooting Your Phone
78
Resetting to Factory Settings
78
Updating the Phone Configuration
79
Clearing User's Personalized Configuration Settings
79
Appendix - Menu Structure
80