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Your Telephone's Features
If you are making a call at the time, you still have up to three minutes of talk time
before the handset switches itself off. If you are not making a call and the handset is
not in the charging station, "Battery empty" appears in the display. You can no longer
make a telephone call now.
Commissioning
Handset Subscription (Checking In)
Your handset can be operated in up to ten different communications systems. To be
able to do this, it must be subscribed to every system, this means: the handset must
be checked in.
Normally the check-in operation is performed when commissioning the handset. If
you are operating your handset in the OpenCom 100 / Aastra 800 communications
system, checking in your handset will be done by your system administrator.
For the communications systems of other manufacturers:
Enrol your handset in the communications system as described in the chapter "Phone
settings" Menu starting on page 75 (section "System").
Note for the System Administrator
If you are operating a DECT network on an Aastra 800 communications system, please
read the more detailed information as well in the "Installing and Commissioning"
guide and in the online help on the topics DECT networks and DECT areas. This is
where you will find details on configuring DECT base stations and on checking in
DECT terminals in DECT areas.
Background Information
Checking in
The OpenCom 100 / Aastra 800 check-in operation for handsets is initiated via the
Web console, either by the system administrator or by a user with administrator
rights. You will need the following information if you wish to subsequently subscribe a
handset yourself.
There are two check-in procedures. Depending on which procedure is used, there are
different time limits for the completion of the procedure and you may also have to
enter an authentication code.
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