Yealink T5 Series

Account Settings
177
Description It enables or disables the phone to use TTL (Time To Live) in the A record.
Permitted
Values
0-Disabled
1-Enabled
Default 1
Parameter static.network.dns.last_cache_expired <y0000000000xx>.cfg
Description
It configures the validity period of the expired DNS cache.
Note: It works only if "static.network.dns.last_cache_expired.enable" is set to 1 (Enabled).
Permitted
Values
Integer from 0 to 65535
0-the expired DNS cache can only be used once. After using, the phone will perform a DNS query again.
1 to 65535-the phone will use the expired DNS cache during the specified period. After that, the phone
will perform a DNS query again.
Default 3600
Parameter static.network.dns.last_cache_expired.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to use the DNS cache (even if the cache has expired) when the DNS
server fails to resolve the domain name.
Permitted
Values
0-Disabled
1-Enabled
Default 0
[1]
X is the account ID. For T58V/T58A/T56A, X=1-16; for CP960, X=1.
[2]
X is the record ID. X=1-12.
[3]
If you change this parameter, the phone will reboot to make the change take effect.
Logon Wizard
Logon wizard allows the phones to provide the logon wizard during the first startup. It works only if there is no
registered account on the IP phone.
Topic
Logon Wizard Configuration
Logon Wizard Configuration
The following table lists the parameters you can use to configure logon wizard.
Parameter phone_setting.logon_wizard <y0000000000xx>.cfg
Description
It enables or disables the phone to provide the logon wizard after startup when there is no registered
account.
Permitted
Values
0-Disabled
1-Enabled
Default 0
Web UI Features->General Information->Logon Wizard