Operation and Maintenance
218
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
6. 2. 2 Software of corded system phones
The communication server's software package contains the software for the sys-
tem phones, which is therefore updated in each case along with the system soft-
ware.
The Office 10, Office 25 and Aastra 5360 system phones do not have their own
memory. The system phones Office 35, Office 45, Aastra 5370, Aastra 5380, all the
IP phones of the Aastra 5300ip series and all the SIP phones of the Aastra 6753i se-
ries have a Flash memory.
System phones with flash memory
The flash memory contains the boot software and the application software. DSI ter-
minals also have an area with the interface software.
The actual software for the radio unit is contained in the communication server's
software. Office 35). When you start up the terminal, the software versions of the
terminals are compared with that of the communication server. If the versions dif-
fer, the software is downloaded from the communication server to the terminal.
When updating the system software this can take several minutes for each DSI ter-
minal.
The expansion key modules Aastra M530 and Aastra M535 also have a flash chip
containing software. The update mechanism is the same as the one described
above. However a local power supply is always required (Power over Ethernet is
also possible with IP terminals).
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