User guide

Basic Operating Functions 9
Operating Forum IPhone 545 SIP Telephone
Operating
Forum IPhone 545
SIP Telephone
Basic Operating Functions
Authorisations
Most of the features mentioned in this manual can only be used
when you have the corresponding authorisation. Your system
administrator configures authorisations when configuring the
communications system.
Contact the system administrator when you have questions on
specific features or are not able to use a feature satisfactorily.
Dedicated Keys
The following table explains the 14 dedicated keys of the
Forum IPhone 545 SIP telephone.
Forum IPhone 545
Keys Key Description and Function
Options key: accesses the
Options List menu
card (please refer to The Options Menu starting on
page 45).
Caller key: opens the list of missed calls (please
refer to Call Lists starting on page 19).
Phone book key: opens the phone book of the
Forum 500 / Forum 5000 communications system
(please refer to Phone Book starting on page 28).
Options key: this key is not used on the
Forum 500 / Forum 5000 communications system.