User guide

About this Manual6
Forum IPhone 545 SIP Telephone
The key extensions Forum 500 Keypad Paper or
Forum 500 Keypad Display offer additional function keys for the
Forum IPhone 545 SIP telephone:
z Forum 500 Keypad Paper: offers 36 function keys
z Forum 500 Keypad Display: offers 20 softkeys respectively
programmable on three levels (total of 60 storage locations)
Up to three key extensions can be connected: three key exten-
sions of either the Forum 500 Keypad Paper type or three of the
Forum 500 Keypad Display type. Key extensions cannot be com-
bined on the Forum 500 / Forum 5000 communications system.
About this Manual
This manual describes how to use a Forum IPhone 545 SIP tele-
phone which is connected to a Forum 500 / Forum 5000 commu-
nications system.
Additional Documentation
Please also make use of the other documentation which was pro-
vided with the parts of your communications system. This docu-
mentation is located on the Forum 500 / Forum 5000 product CD.
Forum 500 Keypad Paper
Forum 500 Keypad Display