DETEWE OpenHotel 100 User Manual page 50

Guide for Guests
... for guests with an OpenPhone 75:
Keys on an OpenPhone 75
48
Open Phone 75
ESC
ABC
1
GHI
C 4
PQRS
7
+
–
*
The Keys of your Room Telephone
2
1
OK
ABC DEF
3
2
JKL MNO
6
5
WXYZ
TUV 9
8
#
0
i
1 OK Key
2 Arrow Keys
R