User guide

Table Of Contents
95BusinessPhone Cordless DT400/DT410/DT420/DT430
Troubleshooting
Phone
locked
The telephone is
locked.
Enter the required
4 digit lock code. If
forgotten contact
system
administrator.
Key locked
Unlock R*
The key pad is
locked.
Press R key
followed by the star
key.
No System
Cannot connect to
the network, the
telephone is not
registered or out of
range.
Contact system
administrator.
Phonebook
full
The memory is full,
you cannot add
new names.
Delete a name.
Fault / Display Probable cause Action or
comment