I have a ATA-190,use the administrator account login（username admin pwd admin）,
Configuration parameters are locked and cannot be modified
could you tell me how to unlock? Please help me！ Thank you
“The official manual interpretation
Changing the phone configuration
By default, the network configuration options are locked to prevent users from making changes that could impact their network connectivity. You must unlock the network configuration options before you can configure them”
Didn't understand this passage
