Yealink Skype for Business HD IP Phones Administrator Guide
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NTP Time Server
A time server is a PC server that reads the actual time from a reference clock and distributes this
information to the clients in a network. The Network Time Protocol (NTP) is the most widely
used protocol that distributes and synchronizes time in the network.
The Skype for Business phone issues a DHCP request to query Option 42 for obtaining the NTP
server and synchronizes the time and date automatically from the NTP time server by default.
The NTP time server address can be offered by the DHCP server or configured manually. NTP by
DHCP Priority feature can configure the priority for the Skype for Business phone to use the NTP
time server address offered by the DHCP server or configured manually.
Time Zone
A time zone is a region on Earth that has a uniform standard time. It is convenient for areas in
close commercial or other communication to keep the same time. When configuring the Skype
for Business phone to obtain the time and date from the NTP time server, you must set the time
zone.
Procedure
NTP time server and time zone can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure NTP by DHCP priority
feature and DHCP time feature.
Parameters:
local_time.manual_ntp_srv_prior
local_time.dhcp_time
Configure the NTP server, time zone.
Parameters:
local_time.ntp_server1
local_time.ntp_server2
local_time.interval
local_time.time_zone
local_time.time_zone_name
Local
Web User Interface
Configure NTP by DHCP priority
feature and DHCP time feature.
Configure the NTP server, time zone.
Navigate to
:
http://<phoneIPAddress>/servlet?p
=settings-datetime&q=load
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