SIP TLS
Certificate
SSL Certificate used for SIP Transport in TLS/TCP.
SIP TLS Private
Key
SSL Private key used for SIP Transport in TLS/TCP.
SIP TLS Private
Key Password
SSL Private key password used for SIP Transport in TLS/TCP.
Custom
Certificate
The uploaded custom certificate will be used for SSL/TLS communication instead of the phone default certificate.
CA Signature
Algorithm
This feature allows users to configure CA signature algorithm. Please note that this configuration must be consistent
with the root certificate deployed on your server. Otherwise, the TLS communication might fail.
Trusted CA Certificate
Trusted CA
Certificates (1 –
6)
Allows to upload and delete the CA Certificate file to phone.
Note: Users can either upload the file directly from web or they can choose to provision it from their cfg.xml file.
Load CA
Certificates
Phone will verify the server certificate based on the built-in, custom or both trusted certificates list.
The default setting is “Default Certificates”.
Keypad Lock
Enable Keypad
Locking
If set to “Yes”, the keypad can be locked by pressing and holding the STAR * key for about 4 seconds. And will also
allow automatic locking.
Keypad Lock
Type
If set to "All Keys", all keys will be locked and no emergency calls can be made. If set to "Customized”, only
"Functional Keys" will be locked but you are still allowed to make emergency calls. the keys will be locked based on
the user configuration.
Password to
Lock/Unlock
Password to Lock/Unlock
Keypad Lock
Timer
Configures the timeout (in seconds) of idle screen for locking keypad.
Valid range is 0 to 3600.
Emergency Defines emergency call numbers. If multiple emergency call numbers are entered, they should be separated by ‘,’.
System Settings 🡪 Preferences
Display Control
LCD
Backlight
Brightness: Active
Configures the LCD brightness when the phone is active. Valid range is 0 to 8 where 0 is off and 8 is the brightest.
Backlight
Brightness: Idle
Configures the LCD brightness when the phone is idle. The valid range is 0 to 8 where 0 is off and 8 is the
brightest， and its value cannot exceed the active value
The Default value is 1.
Active Backlight
Timeout
Configures the timeout interval of the LCD backlight. The valid range is 0 to 90.
The Default value is 1
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