What the Features Do
The following section lists the many voice features that you can use with your MDC 9000 and briefly explains what each one does and how you might want to use it.
The features in this guide have been divided into two categories:
Phone Features — Those telephone features that you can use immediately regardless of which communications system your telephone is behind.
System Features — Those features that you can use only with a DEFINITY Communications System or System 75 or System 85. Some system features may not be available for all system types. If a feature is not supported by all systems, the systems that do support that feature are identified in this document by boldface type for the system name. Most of the system features must be assigned to your telephone by the system manager. Check with your system manager to see which of these features you can use.
Phone Features
The following features can be used immediately. They do not need to be administered on your telephone.
Conference Allows you to include up to five parties, including yourself (with a DEFINITY G1 or G3 or System 75), or three parties, including yourself (with DEFINITY G2 or System 85) on a conference call, without losing voice quality. Note: If you have both an active call and a call on hold, you must terminate one of them before you can use Conference.
Display Information Provides visual call and telephone status information through the following set of icons:
or 
or shows the status of the adjacent button. If the triangle and rectangle both appear, you are using that line; if only the rectangle appears, the line is in use.
ON appears when the handset is on.
RANGE flashes to indicate that you are out of range and appears steadily when you have lost communication.
P is not used with DEFINITY or System 75 or System 85.
STAT appears when the status mode is active, refreshing the icons and indicating that you should move closer to the base.
MSG appears when there is a message waiting for you.
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