Installation, Administration and Maintenance
Aastra Telecom
Page: 41 (47)
4 Maintenance
4.1 Booter
The booter may be automatically upgraded via the DHCP option 254
“UPDATE” (see chapter 3.1.4.1).
4.2
Site survey measurement equipment
If an SIP-DECT installation has to be planned, a sufficient distribution of the
RFPs is necessary, which fulfills the requirements for reliable synchronization
and connectivity to the Portable Parts. The site survey kit may help you. It
comprises:
•
One measuring RFP with its own power supply.
•
Battery for the RFP / Tripod optional.
•
Two reference PPs with chargers.
•
Battery chargers.
4.3
Checking the Aastra DECT 142 Handset firmware version
You can display the version information of the Aastra DECT 142 Handset /
Aastra Phone 142 with a few keystrokes. Check the firmware version to
determine whether an update is required to overcome any user issues.
1. Press the “
Menu
” soft key
2. Select “
System
” (only to highlight)
3. Press “
OK
”.
4. Select “
Version Number”
5. Press “
OK
”.
The display will show the software and the hardware version of the Aastra
DECT 142 Handset / Aastra Phone 142.
4.4 Diagnostic
4.4.1
Aastra DECT 142 site survey mode
You can set the Aastra DECT 142 in “site survey mode” with a few
keystrokes. In this mode the phone will display the RFPs and the actual field
strength of the receiving signal in dBM.
1) Press the “
Menu
” soft key
2) Enter the following key sequence “
R***76#
”
3) Select “
Site Survey
”
4) Press “
OK
”.
To leave the site survey mode switch the phone off and on again.
The following display is shown on the Aastra DECT 142 Handset / Aastra
Phone 142:
