Yealink T46G Administrator's Manual page 249

Parameters
network.lldp.packet_interval
Description:
Configures the interval (in seconds) for the Skype for Business phone to send the LLDP
(Linker Layer Discovery Protocol) request.
Note: It works only if the value of the parameter "network.lldp.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->LLDP->Packet Interval (1~3600s)
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->LLDP->Packet Interval
To configure LLDP via web user interface:
Click on Network->Advanced.
1.
In the LLDP block, select the desired value from the pull-down list of Active.
2.
Enter the desired time interval in the Packet Interval (1~3600s) field.
3.
Click Confirm to accept the change.
4.
A dialog box pops up to prompt that settings will take effect after a reboot.
Click OK to reboot the Skype for Business phone.
5.
Configuring Advanced Features
Permitted Values
Integer from 1 to 3600
Default
60
235