Functions available using the bpt telephone
and standard telephone sets
PROGRAMMING
LOCAL CALL
RECEPTION
LOCAL/TELEPHONE CALLS
ACCESS TO DTMF
SERVICES
SELF-CONNECTION
DOOR LOCK RELEASE
AUXILIARY/STAIR LIGHT
PORTER CALL
INTERLOCUTOR SWITCHING
FUNCTIONS
BPT
MULTIFREQUENCY
TELEPHONE
TELEPHONE
yes
yes
direct
direct
yes
yes
yes
yes
(monitor)
R+86
R+85
R+88
R+87
R+80
33
DECADIC
TELEPHONE
not possible
direct
yes
not possible
not possible
not possible
not possible
not possible
not possible