User guide

Technical Notes 29
Update Notes
z An upgrade licence enables you to use the new release 7
features including the extended functions (see table New
features Forum 524). When you enter the upgrade licence
authorisation key, the communications system changes its
designation to Forum 524.
The upgrade licence is already included when you purchase a new
Forum 524 communications system.
Technical Notes
The extended release 7 features may require you to upgrade the
existing communications system. Please note the following points:
z A 256 MByte CompactFlash card is the prerequisite for
updating to release 7.
z The system software is divided into 2 parts: a software
container with the firmware which you load into the
communications system when you update. And a software
container (“firmware extensions” for certain terminal types)
which you only load after updating the communications
system.
z The firmware extensions contains software for the following
terminal types:
Note: If you are not operating any of these terminals, you do not
have to load the firmware extensions.
Type Model
SIP system phones Forum IPhone 512
Forum IPhone 545
DECT over IP base stations Forum Base DECT IP
Forum Base DECT IP v2