Yealink SIP-T2xP Administrator's Manual page 308

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
Example
Parameter-
local_time.ntp_server1
Description
Format
Default Value
Range
Example
Parameter-
local_time.ntp_server2
Description
Format
Default Value
Range
Example
Parameter-
local_time.interval
Description
Format
Default Value
Range
292
0-Disabled (use the NTP server obtained by
DHCP preferentially)
1-Enabled
local_time.manual_ntp_srv_prior = 0
Configuration File
<MAC>.cfg
Configures the IP address or the domain name
of the primary NTP server.
IP Address or Domain Name
cn.pool.ntp.org
String within 99 characters
local_time.ntp_server1 = cn.pool.ntp.org
Configuration File
<MAC>.cfg
Configures the IP address or the domain name
of the secondary NTP server. If the primary NTP
server is not configured or cannot be
accessed, the IP phone will request the time
and date from the secondary NTP server.
IP Address or Domain Name
cn.pool.ntp.org
String within 99 characters
local_time.ntp_server2 = cn.pool.ntp.org
Configuration File
<MAC>.cfg
Configures the IP phone to update time and
date from the NTP server at regular intervals
(in seconds).
Integer
1000
15 to 86400