Grandstream Networks GRP261 Series Administration Manual page 59

Maximu Configures the maximum TLS version supported by the phone. The maximum TLS version must be greater than or
m TLS equal to the minimum TLS version. It can be set to TLS 1.1, TLS 1.0, or TLS 1.2.
Version Set to unlimited by default.
Enable/
Disable This feature defines the function for weak cipher suites. If set to "Enable Weak TLS Cipher Suites", allow users to
encrypt data by weak TLS cipher suites. If set to "Disable Symmetric Encryption RC4/DES/3DES", allow
Weak
Cipher users to disable weak cipher DES/3DES and RC4.
Suites
SIP TLS
Certific SSL Certificate used for SIP Transport in TLS/TCP.
ate
SIP TLS
Private SSL Private key used for SIP Transport in TLS/TCP.
Key
SIP TLS
Private
Key SSL Private key password used for SIP Transport in TLS/TCP.
Passwo
rd
Custom
Certific The uploaded custom certificate will be used for SSL/TLS communication instead of the phone default certificate.
ate
Trusted CA Certificate
Trusted
CA
Allows to upload and delete the CA Certificate file to phone.
Certific
Note: Users can either upload the file directly from web or they can choose to provision it from their cfg.xml file.
ates (1
– 6)
Load
CA Phone will verify the server certificate based on the built-in, custom or both trusted certificates list.
Certific The default setting is "Default Certificates".
ates
Keypad Lock
Enable
If set to "Yes", the keypad can be locked by pressing and holding the STAR * key for about 4 seconds. And will
Keypad
also allow automatic locking.
Locking
Keypad
If set to "Functional Keys", only "Functional Keys" will be locked but you are still allowed to make emergency calls.
Lock
If set to "All Keys", all keys will be locked and no emergency calls can be made.
Type
Passwo
rd to
Password to Lock/Unlock
Lock/U
nlock
Keypad
Configures the timeout (in seconds) of idle screen for locking keypad.
Lock
Valid range is 0 to 3600.
Timer