User Manual

Setting Up Your System

2. Enter the desired host name in the DHCP Option Value filed.

3. Click Confirm to accept the change.

DHCP Option 42 and Option 2

Yealink Skype for Business phones support using the NTP server address offered by DHCP.

DHCP option 42 is used to specify a list of NTP servers available to the client by IP address. NTP

servers should be listed in order of preference. DHCP option 2 is used to specify the offset of the

client's subnet in seconds from Coordinated Universal Time (UTC).

To update time with the offset time offered by the DHCP server, make sure the DHCP Time

feature is enabled at the path Settings->Time & Date->DHCP Time. For more information on

how to configure DHCP time feature, refer to NTP Time Server on page 141.

DHCP Option 12 Hostname on the Skype for Business phone

This option specifies the host name of the client. The name may or may not be qualified with the

local domain name (based on RFC 2132). See RFC 1035 for character restrictions.

Procedure

DHCP option 12 hostname can be configured using the configuration files or locally.

Configuration File

<y0000000000xx>.cfg

Configure the DHCP option 12

hostname.

Parameters: