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General information
Intended use
The OpenStage phone is a desktop or wall-mounted unit designed for voice transmission. Any oth-
er use is regarded as unintended.
Telephone type
The identification details (exact product designation and serial number) of your telephone can be
found on the nameplate on the underside of the base unit.
Specific details concerning your communication platform can be obtained from your service tech-
nician.
Please always have this information to hand when you contact our service department regarding
faults or problems with the product.
Speakerphone quality and display legibility
• To ensure good speakerphone quality, the area in front of the microphone (front right) should be
kept clear. The optimum speakerphone distance is 50 cm.
• Proceed as follows to optimise display legibility:
– Turn the phone to tilt the display to ensure you have a frontal view of the display and avoid
light reflexes.
– Adjust the contrast as required
Multi-line telephone, executive/secretary functions
Your OpenStage 15 T is a "multi-line telephone". This means that multiple lines can be configured
by your service personnel, which is not the case with single-line phones. Each line is assigned an
individual phone number that you can use to make and receive calls.
The programmable keys function as line keys on multi-line phones
When using a multi-line phone to make and receive calls, certain particularities must be taken into
account
Page 72ff.
The executive-secretary configuration is a special case. This is a multi-line telephone with special
features (e.g. "Ring transfer" and "Accept call"), configured especially for executive/secretary use
Group functions
For even more efficient telephone functionality, your service personnel can configure various team
functions such as call pickup, hunt groups and call distribution groups.