User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide
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It takes effect after reboot.
security.dev_c
ert =
0 or 1
It specifies the type of certificates for
the phone to send for TLS
authentication.
0-Default certificates
1-Custom certificates
The default value is 0.
It takes effect after reboot.
Security->Server
Certificates->
Device Certificates
security.user_n
ame.user =
String
It configures the user name for web
server access.
security.user_n
ame.admin =
String
It configures the administrator name
for web server access.
security.user_n
ame.var =
String
It configures the var name for web
server access.
security.user_
password =
String
It configures the password of the user,
var and administrator.
The valid value format is user
name:password (e.g.,
admin:admin123).
Security->Password
security.var_e
nable =
0 or 1
It enables or disables the 3-level
permissions (admin, var, user).
0-Disabled
1-Enabled
The default value is 0.
It takes effect after reboot.
custom_softke
y_call_failed.u
rl =
URL
It configures the access URL of the file
for custom soft key layout presented
on the LCD screen when Call failed.
Settings->Softkey
Layout
custom_softke
y_call_in.url =
URL
It configures the access URL of the file
for custom soft key layout presented
on the LCD screen when Call in.
Settings->Softkey
Layout
custom_softke
y_connecting.
url =
URL
It configures the access URL of the file
for custom soft key layout presented
on the LCD screen when Connecting.
Settings->Softkey
Layout
custom_softke
y_dialing.url =
URL
It configures the access URL of the file
for custom soft key layout presented
on the LCD screen when Dialing.
Settings->Softkey
Layout