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Introduction
The phone
Connection typeConnection type
Connection typeConnection type
Connection type
Your phone is designed for use with an ISDN basic access (DSS1 protocol, Euro-ISDN) and can
be operated on your subscriber connection (NT+2ab), an ISDN bus (S-Bus) or connected to a
PBX. The phone is powered via the NT+2ab power supply or the PBX. In the event of a power
failure, a backup supply powers the phone via the local exchange (for PBX operation, refer to
the PBX documentation).
User conceptUser concept
User conceptUser concept
User concept
Every user can define his or her own settings. Separate call charges are recorded for each user
(for details on the user concept, see »User concept« in the section on »Telephoning«).
Advanced featuresAdvanced features
Advanced featuresAdvanced features
Advanced features
Your dynamically managed phonebook can store up to 40 numbers.
Four speed dial keys, each for two numbers, allow you to dial numbers simply by pressing a key.
A wide range of user-friendly features make your new phone easy to operate and enhances
calling comfort. For a summary of these features, see the contents list.
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