DETEWE OpenHotel 100 User Manual page 48

Guide for Guests
... for guests with an OpenPhone 73:
Keys on an OpenPhone 73
46
Open Phone 73
ESC
ABC
1
GHI
C 4
PQRS
7
+
–
*
The Keys of your Room Telephone
2
1
OK
DEF
ABC
2 3
MNO
JKL
6
5
WXYZ
TUV 9
8
#
0
i
1 OK Key
R
2 Arrow Keys