Aastra DT690 User Manual page 158

DT690
ISDN
Least Cost Routing
Li-Ion battery
Park
PBX
PIN Code
Speed dialling number
SW
Tandem configuration
Third party
150
Integrated Services Digital
Network. Provides your system
with supplementary services from the
public net.
A function that automatically selects
the cheapest way to connect your
external call.
A battery made from Lithium ions.
Li-Ion batteries are light-weight and
have a very high energy density. This
makes them ideal for use in portable
equipment, such as cordless phones.
Portable Access Right Key, unique
identity assigned to your network.
Private Branch Exchange. Your
telephone switching system
(for example MD Evolution
Communication Platform).
Personal Identification Number for
security.
Abbreviated number or short number,
used for making frequently used
numbers faster to dial.
Here you can see which version of
the phone software you have.
The tandem configuration is a unit
consisting of two phones using the
same directory number.
A third connection (person), which
can be included in an ongoing two
person conversation. The connection
can be internal or external. See
Section 13 on page 63.
1424-EN/LZT 103 090 Uen A1 2008-10-24