Отговор на първия ми въпрос:

1
unlock.

2
hi, you mean can't open the advanced setting page? or you can't make change on the advanced page? how about other pages? we know it for sure all of the devices we sell are not locked. please give us the MAC address on the device. thank you

3
one more, it is locked, we can open for you.

4
hi, we have sold grandstream products for 5 years. this is first time got a complain that "advaned settings" can't open. even locked unit can have the advanced settings page open. please let us know if you can open other pages. when did you purchase this item?

Да ама на мен ми омръзна да се занимавам