The Wiki of Unify contains information on clients and devices, communications systems and unified communications. - Unify GmbH & Co. KG is a Trademark Licensee of Siemens AG.
German: Wählen mit aufliegendem Hörer.
Condition: the hook is on the telephone (idle mode). If you enter a number on the phone and the either hook- off or press the OK button. In both cases the number is beinfg sent and an connection is being built up (in case the number is correct).