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UC-P100-S/UC-P110-S Phones for Skype for Business
Supplemental Guide – DOC. 8412A
Click Confirm to accept the change. A dialog box pops up to prompt that
settings will take effect after a reboot.
Click OK to reboot the phone.
DHCP Option 120
Skype for Business phones support obtaining Skype for Business Server address from
DHCP. DHCP option 120 is used to specify a list of Skype for Business Servers available
to the client.
DHCP option 120 can be configured using the configuration files or locally.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure DHCP option 120.
Parameter:
sip.option120_get_lync_server.enable
Local
Web User Interface
Configure DHCP option 120.
Navigate to:
http://<phoneIPAddress>/servlet?p=featu
res-general&q=load
Details of the Configuration Parameter
Parameter
Permitted Values
Default
sip.option120_get_lync_server.enable
0 or 1
0
Description:
Enables or disables phones to obtain the Skype for Business Server address from DHCP by
detecting DHCP option 120.
0-
Disabled
1-
Enabled
Web User Interface:
Features > General Information > Use DHCP Option 120
Phone User Interface:
None