Software Version; Accessibility And Voice Quality; Operating Area; Out Of Range - Aastra DT390 User Manual

Cordless phone for mx-one

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2.5

Software Version

To view the phone's software version:

2.6

The base network is not always available. If you do not get in contact with

your system, contact your system administrator. For best voice quality,

avoid positioning near computer, radio or similar equipment.

2.6.1

You can use your cordless phone in the area that is covered by the

network. Outside this area you will lose contact with the phone network.

The signal strength icon,

displayed.

2.6.2

When you leave the system coverage area you will hear a short beep and

see a lamp indication, and the text Searching will appear in the display.

The out of range beep will be repeated every minute for 30 minutes. It is

possible to switch off this beep by pressing

coverage area it can take a couple of minutes before the phone

automatically has registered into the system.

1424_EN_LZT103087.doc Rev B2 2009-09-11

Enter *#34# in idle mode mode.

Select Software.

, will disappear and No System will be

. When re-entering the

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