Panasonic KX-TDA600 Operating Manual page 191

Feature (While dial tone is heard)
1.3.19 DND (Do Not Disturb)
– Both Calls
– Outside Calls
– Intercom Calls
1.3.20 Door Open
1.3.21 Doorphone Call
1.3.22 EFA (External Feature Access)
1.3.23 Executive Busy Override
Executive Busy Override Deny
– To prevent
– To allow
1.3.24 Extension Dial Lock
– To lock
– To unlock
– To make an outside call while your
extension is locked
1.3.25 Extension Feature Clear
1.3.26 Extension PIN (Personal Identification
Number)
– To set
– To cancel
1.3.27 External Relay
Default
(New)
0 (Cancel)/
710
( )
1 (Set)
711
( )
712
( )
doorphone no. (2 digits)
55
( )
doorphone no. (2 digits)
31
( )
service code
60
( )
1
733
( )
0
1
77
( )
0 + extension PIN
your extension no. + extension PIN + phone no.
47
( )
790
( )
799
( )
1 + extension PIN + # + same extension PIN + #
0 + stored extension PIN
relay no. (2 digits)
56
( )
4.2 Feature Number Table
Additional digits
Operating Manual 191