Maintenance; Booter; Site Survey Measurement Equipment; Checking The Aastra Dect 142 Handset Firmware Version - Aastra SIP-DECT Installation And Administration Manual

Installation, Administration and Maintenance
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.
• A tripod and a battery for the RFP.
• Two reference PPs with chargers.
• Battery chargers.
• A measuring handset, which can monitor other makers DECT radio
sources.
4.3

Checking the Aastra DECT 142 Handset firmware version

You can display the version information of the 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.
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 Phone 142:
Aastra Telecom Page: 41 (47)