Yealink SIP-T2 SERIES Administrator's Manual page 98

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
2. Mark the On radio box in the DHCP Active field.
3. Click Confirm to accept the change.
Yealink IP 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 web path Settings->Time & Date->DHCP Time. For more
information on how to configure DHCP time feature, refer to
179
.
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
76
<y0000000000xx>.cfg
NTP Time Server
Configure the DHCP option 12
hostname.
Parameters:
on page