Ericsson DT570 User Manual page 54

Other Useful Facilities
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54
Tandem configuration
The tandem configuration is a unit, consisting of two telephones
using the same directory number. One of the telephones is
defined as the "Primary" and the other one as the "Secondary".
This function enhances the communication for users that, for
example, have a wired phone on their desk (the "primary
telephone") and need to be mobile within their company's
building with their own portable (the "secondary telephone").
Basically the tandem configuration works as follows:
To activate the tandem configuration
Dial to log on the secondary telephone
Press
YES
SECOND USER
LOGGED ON
For incoming calls:
• Both telephones are treated as 1 single extension.
For outgoing calls:
• Both telephones are treated as 2 separate extensions.
To deactivate the tandem configuration
Dial to log off the secondary telephone
Press
YES
For incoming calls:
• The "secondary" telephone cannot be called and the
"primary" telephone works as a normal "stand-alone"
telephone.
For outgoing calls:
• Both telephones are treated as 2 separate extensions.
BusinessPhone - Portable Telephone DT570