Yealink T5 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T58V/T58A/T56A/CP960 IP Phones
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NTP Configuration
The following table lists the parameters you can use to configure the NTP.
Parameter local_time.manual_ntp_srv_prior <y0000000000xx>.cfg
Description It configures the priority for the phone to use the NTP server address offered by the DHCP server.
Permitted
Values
0 - High (use the NTP server address offered by the DHCP server preferentially)
1 - Low (use the NTP server address configured manually preferentially)
Default
Value
0
Web UI Settings->Time&Date->NTP by DHCP Priority
Parameter local_time.dhcp_time <y0000000000xx>.cfg
Description
It enables or disables the phone to update time with the offset time offered by the DHCP server.
Note : It is only available to offset from Greenwich Mean Time GMT 0.
Permitted
Values
0 -Disabled
1 -Enabled
Default 0
Web UI Settings->Time&Date->DHCP Time
Phone UI Settings->Basic Settings->Time&Date->DHCP Time->DHCP Time
Parameter local_time.ntp_server1 <y0000000000xx>.cfg
Description It configures the IP address or the domain name of the primary NTP server.
Permitted
Values
IP address or domain name
Default cn.pool.ntp.org
Web UI Settings->Time&Date->Primary Server
Phone UI Settings->Basic Settings->Time&Date->General->Type (SNTP Settings) ->NTP Server1
Parameter local_time.ntp_server2 <y0000000000xx>.cfg
Description
It configures the IP address or the domain name of the secondary NTP server.
If the primary NTP server is not configured by the parameter “local_time.ntp_server1”, or cannot be
accessed, the phone will request the time and date from the secondary NTP server.
Permitted
Values
IP address or domain name
Default pool.ntp.org
Web UI Settings->Time&Date->Secondary Server
Phone UI Settings->Settings->Time&Date->General->Type (SNTP Settings) ->NTP Server2
Parameter local_time.interval <y0000000000xx>.cfg
Description It configures the interval (in seconds) at which the phone updates time and date from the NTP server.
Permitted
Values
Integer from 15 to 86400