Yealink T46G Administrator's Manual page 251

Parameters
Description:
Enables or disables the CDP (Cisco Discovery Protocol) feature on the Skype for Business
phone.
0-Disabled
1-Enabled
Note: If it is set to 1, the Skype for Business phone will attempt to determine its VLAN ID
through CDP. If you change this parameter, the Skype for Business phone will reboot to
make the change take effect.
Web User Interface:
Network->Advanced->CDP->Active
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->CDP->CDP Status
network.cdp.packet_interval
Description:
Configures the interval (in seconds) for the Skype for Business phone to send the CDP
(Cisco Discovery Protocol) request.
Note: It works only if the value of the parameter "network.cdp.enable" is set to 1 (Enabled).
If you change this parameter, the Skype for Business phone will reboot to make the change
take effect.
Web User Interface:
Network->Advanced->CDP->Packet Interval (1~3600s)
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->CDP->Packet Interval
To configure CDP via web user interface:
Click on Network->Advanced.
1.
In the CDP block, select the desired value from the pull-down list of Active.
2.
Configuring Advanced Features
Permitted Values
Integer from 1 to 3600
Default
60
237