User manual

27. Q: How to set the DST (Daylight Saving Time)?
A: You can set it on PhonePreference of web UI of the phone. It will adjust the DST
automatically based on the time zone that you selected.
28. Q: Why after I reset the phone to factory default, some fields still keep filled for example
the password of the account, is it correct?
A: Yes, it is correct. The reason why these fields still keep filled is because to ensure the
security of the configuration information , the phone encrypted all the parameters which has
relationship to the security, for example password of the account, the AES key of the phone
and so on.
After reset the phone to factory default, the values of these fields is empty, the program still
encrypted the values, so you can see these fields keep filled.
29. Q: How can I hide the password during talking?
A: There is a feature called Suppress DTMF Display in the phone
webpagePhoneFeaturesGeneral Information, when enabled this feature, if you press
the DTMF during talking, it will show the * to hide the DTMF immediately.
When enabled the Suppress DTMF Display Delay, first you can see the digit you press, after a
while, it will turn to be * symbol.
30. Q: What is BLF feature?