Aastra DT412 User Manual page 76

Other Useful Features
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To deactivate the Tandem configuration
Press.
Dial to log off the secondary phone.
For incoming calls:
• The secondary phone cannot be called and the primary phone
works as a normal stand-alone phone.
For outgoing calls:
• Both phones are treated as 2 separate extensions.
Transferring a call between members of a Tandem unit
R
Press (see display).
Dial own directory number.
æ
Press.
BusinessPhone – Cordless DT412/DT422/DT432