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20 Model 6753i RP Phone Installation Guide
IP Phone Features
User Password
Use this option to change your user password. Valid values for entering a
password are 0 to 4294967295 (integers only; symbols and alpha characters
are not allowed). Default password is an empty string "" (field is blank).
Phone Lock
Use this option to lock the phone from unauthorized users. When the
phone is locked, users are unable to dial from the phone unless it has been
unlocked. To unlock the phone, press the Options key and enter
either the user or administrator password.
Note: While the phone is locked, only emergency number dialing is permitted. The
default permissible emergency numbers are 911, 999, 112, and 110; this is con-
figurable via the Web User Interface or configuration file.
Hint: To quickly lock your phone, press the Options key followed
by the key.